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2B0-023 ES Advanced Dragon IDS

Study Guide Prepared by Killexams.com Enterasys Dumps Experts


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2B0-023 exam Dumps Source : ES Advanced Dragon IDS

Test Code : 2B0-023
Test Name : ES Advanced Dragon IDS
Vendor Name : Enterasys
Q&A : 50 Real Questions

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Enterasys ES Advanced Dragon IDS

licensed ethical Hacker exam Prep | killexams.com Real Questions and Pass4sure dumps

author: Michael GreggPages: 696Publisher: QueISBN: 0789735318

Introduction

This title takes you on a tour of all the areas you should be expert in to circulate the licensed ethical Hacker (CEH) exam. if you be capable to take in every thing during this book, and in line with the fine of your normal talents, you may additionally now not need to take a class earlier than the exam.

about the creator

Michael Gregg has greater than twenty years event in the IT box. He right now keeps here certifications: CISSP, MCSE, MCT, CTT+, A+, N+, protection+, CNA, CCNA, CIW protection Analyst, CCE, CEH, CHFI, CEI, DCNP, ES Dragon IDS, ES superior Dragon IDS, and TICSA.

inside the publication

a extremely crucial characteristic of this title is the suave layout that makes sure you could browse through it promptly to discover what you’re trying to find. Notes, suggestions, tables, questions, challenges, summaries – they’re all without problems identifiable.

firstly of every chapter the writer suggests some study innovations and in short illustrates all the themes about to be mentioned. This makes searching chapters fairly painless.

throughout the booklet you’ll come across numerous examination questions which will automatically show you the way lots you’ve realized about a definite subject. also, there’s a myriad of pointers to online substances for extra information so you can go into extra detail.

The final a part of the e-book incorporates a compact edition of essentially the most crucial counsel from all the chapters, as well as a tradition exam. here is right here to provide you with an idea of how the specific check looks like.

With the booklet comes a characteristic packed CD that contains dissimilar test modes, explanations of proper and improper answers and more than a 100 questions that simulate the exam. All in all, a welcome boost to the text.

remaining options

in view that outdated adventure in the box is counseled before taking the CEH exam the viewers of this booklet should still even have prior potential. This book does its job rather neatly as it comes packed all of the tips vital for the exam devoid of featuring unnecessary in-depth particulars. it'll without difficulty permit you to brush-up on a plethora of protection topics and supply you with an instance of how the exam looks like.

in case you’re taking the CEH exam, this e-book is well value a look.


protecting SSH Servers with Single Packet Authorization | killexams.com Real Questions and Pass4sure dumps

ultimate month, in the first of a two-part sequence, I described the theory behind the subsequent generation in passive authentication technologies called Single Packet Authorization (SPA). this text receives far from idea and concentrates on the practical application of SPA with fwknop and iptables to offer protection to SSHD from reconnaissance and assault. With this setup on a Linux device, nobody might be in a position to inform that SSHD is even listening under an nmap scan, and simplest authenticated and authorized shoppers might be able to speak with SSHD.

To start, we require some advice about configuration and community structure. this article assumes you've got installed the latest version of fwknop (1.0.1 on the time of this writing) on the same equipment the place SSHD and iptables are operating. that you would be able to down load fwknop from www.cipherdyne.org/fwknop and set up either from the supply tar archive by means of running the set up.pl script or via the RPM for RPM-based Linux distributions.

network architecture

The primary community depicted in figure 1 illustrates our setup. The fwknop client is finished on the host labeled spa_client (15.1.1.1), and the fwknop server (together with iptables) runs on the equipment labeled spa_server (16.2.2.2). A malicious equipment is labeled attacker (18.three.3.three), which is able to sniff all traffic between the spa_client and spa_server methods.

determine 1. sample state of affairs where you utilize SPA to protect SSH Communications

Default-Drop iptables policy

The spa_client device has the IP handle 15.1.1.1, and the spa_server device has the IP address 16.2.2.2. On the spa_server equipment, iptables is configured to provide primary connectivity services for the interior network (192.168.10.0/24) and to log and drop all attempts (by means of the iptables LOG and DROP aims) from the exterior network to hook up with any carrier on the firewall itself. This coverage is fairly simplistic, and it's supposed to show handiest that the firewall doesn't promote any services (together with SSHD) below an nmap scan. Any serious deployment of iptables for a true network would be vastly extra advanced. One vital characteristic to note, despite the fact, is that the connection tracking facilities supplied with the aid of Netfilter are used to keep state within the iptables coverage. The culmination is that connections initiated during the firewall (by means of the ahead chain) and to the firewall (by the use of the enter chain) remain open without extra settle for suggestions to enable packets required to maintain the connections dependent (corresponding to TCP acknowledgements and so on). The iptables policy is built with here simple firewall.sh script:

[spa_server]# cat firewall.sh #!/bin/sh IPTABLES=/sbin/iptables $IPTABLES -F $IPTABLES -F -t nat $IPTABLES -X $IPTABLES -A enter -m state --state ↪established,linked -j settle for $IPTABLES -A forward -m state --state ↪dependent,linked -j accept $IPTABLES -t nat -A POSTROUTING -s ↪192.168.10.0/24 -o eth0 -j MASQUERADE $IPTABLES -A input -i ! lo -j LOG --log-prefix ↪"DROP " $IPTABLES -A enter -i ! lo -j DROP $IPTABLES -A forward -i ! lo -j LOG --log-prefix ↪"DROP " $IPTABLES -A ahead -i ! lo -j DROP echo 1 > /proc/sys/internet/ipv4/ip_forward echo "[+] iptables coverage activated" exit [spa_server]# ./firewall.sh [+] iptables coverage activated

With iptables lively, it is time to see what remote entry we may have. From the spa_client system, we use nmap to look if SSHD is accessible on the spa_server device:

[spa_client]$ nmap -P0 -sT -p 22 16.2.2.2 beginning Nmap four.01 ( http://www.insecure.org/nmap/ ) at 2007-02-09 23:55 EST entertaining ports on 16.2.2.2: PORT STATE service 22/tcp filtered ssh Nmap accomplished: 1 IP tackle (1 host up) scanned in 12.009 seconds

As anticipated, iptables is blocking all makes an attempt to talk with SSHD, and the remaining ports (both TCP and UDP) are similarly protected via the iptables policy. It does not count if an attacker has a nil-day make the most for the specific version of OpenSSH that's deployed on the spa_server equipment; all makes an attempt to speak up the stack are being blocked via iptables.

fwknop SPA Configuration

confident that iptables is holding the local network with a Draconian stance, it is time to configure the fwknop server dæmon (fwknopd) on the spa_server device. The file /and many others/fwknop/fwknop.conf controls crucial configuration parameters, such as the interface on which fwknopd sniffs site visitors by the use of libpcap, the electronic mail address(es) to which fwknopd sends informational alerts and the pcap filter statement designed to sniff SPA packets off the wire. via default, fwknop sends SPA packets over UDP port 62201, so the pcap filter observation in /and so on/fwknop/fwknop.conf is determined to udp port 62201 by default. although, SPA packets can also be sent over any port and protocol (even over ICMP), however the filter observation would need to be updated to address SPA communications over other port/protocols. more information can be present in the fwknop man web page. besides the fact that children the defaults in this file continually make experience for most deployments, you may need to tweak the PCAP_INTF and EMAIL_ADDRESSES variables to your particular setup.

The /etc/fwknop/entry.conf file is essentially the most critical fwknopd configuration file—it manages the encryption keys and entry handle rights used to validate SPA packets from fwknop valued clientele. the following access.conf file is used for the the rest of this text:

[spa_server]# cat /and so forth/fwknop/entry.conf supply: ANY; OPEN_PORTS: tcp/22; FW_ACCESS_TIMEOUT: 30; KEY: LJ07p2rbga; GPG_DECRYPT_ID: ABCD1234; GPG_DECRYPT_PW: p2atc1l30p; GPG_REMOTE_ID: 5678DEFG; GPG_HOME_DIR: /root/.gnupg;

The supply variable defines the IP addresses from which fwknopd accepts SPA packets. The price ANY shown above is a wild card to verify SPA packets from any IP address, nevertheless it can also be limited to particular IP addresses or subnets, and comma-separated lists are supported (as an example, 192.168.10.0/24, 15.1.1.1). The OPEN_PORTS variable informs fwknopd about the set of ports that may still be opened upon receiving a legitimate SPA packet; during this case, fwknopd will open TCP port 22.

however not shown above, fwknopd will also be configured to allow the fwknop client to dictate the set of ports to open by way of together with the PERMIT_CLIENT_PORTS variable and setting it to Y. FW_ACCESS_TIMEOUT specifies the size of time that an settle for rule is delivered to the iptables policy to enable the site visitors defined with the aid of the OPEN_PORTS variable. because the iptables policy in the firewall.sh script above makes use of the connection monitoring capabilities offered by means of Netfilter, an SSH connection will stay established after the preliminary accept rule is deleted with the aid of fwknopd.

The last variables define parameters for the encryption and decryption of SPA packets. this article illustrates the usage of each symmetric and uneven ciphers, but only one encryption style is required by means of fwknop.

all the GPG_* variables can also be not noted if there is a KEY variable and vice versa. the important thing variable defines a shared key between the fwknop client and fwknopd server. This key is used to encrypt/decrypt the SPA packet with the Rijndael symmetric block cipher (see materials). For uneven encryption, GPG_DECRYPT_ID defines the local fwknopd server GnuPG key identification. This key's used via the fwknop customer to encrypt SPA packets by means of an encryption algorithm supported through GnuPG (such because the ElGamal cipher).

GPG_DECRYPT_PW is the decryption password associated with the fwknopd server key. as a result of this password is positioned within the access.conf file in clear textual content, it is not informed to make use of a advantageous GnuPG key for the server; a dedicated key may still be generated for the aim of decrypting SPA packets. The fwknop purchasers sign SPA packets with a GnuPG key on the local key ring, and the password is provided with the aid of the consumer from the command line and certainly not kept within a file (as we are able to see beneath). hence, any GnuPG key may also be used via the fwknop client; even a valuable key used for encrypting sensitive electronic mail communications, for instance.

The GPG_REMOTE_ID variable defines an inventory of key IDs that the fwknopd server will settle for. Any SPA packet encrypted with the fwknopd server public key need to be signed with a personal key targeted by means of the GPG_REMOTE_ID variable. This makes it possible for fwknopd to preclude the set of americans who can profit access to a protected carrier (SSHD in our case) by way of a cryptographically mighty mechanism. instructions for developing GnuPG keys for use with fwknop may also be discovered at www.cipherdyne.org/fwknop/doctors/gpghowto.html.

With the /and so forth/fwknop/entry.conf file built, it's time to delivery fwknopd on the spa_server equipment and put fwknop to work for us:

[spa_server]# /and many others/init.d/fwknop delivery * beginning fwknop ... [ ok ]

SPA by means of Symmetric Encryption

On the spa_client equipment, we use fwknop to construct an SPA packet encrypted by the use of Rijndael and send it on its method to the spa_server device. We need access to SSHD, and the -A argument below encodes the desired access within the SPA packet. The -w argument resolves the IP handle of the client system by means of querying http://www.whatismyip.com (this is constructive if the fwknop client is behind a NAT gadget), the -k argument is the IP tackle of the destination SPA server, and -v runs in verbose mode that allows you to view the uncooked packet information:

[spa_client]$ fwknop -A tcp/22 -w -k 16.2.2.2 -v [+] starting fwknop in customer mode. Resolving external IP via: http://www.whatismyip.com/ bought external handle: 15.1.1.1 [+] Enter an encryption key. This key must suit a key within the file /and many others/fwknop/entry.conf on the faraway device. Encryption Key: [+] building encrypted single-packet authorization (SPA) message... [+] Packet fields: Random statistics: 7764880827899123 Username: mbr Timestamp: 1171133745 version: 1.0.1 motion: 1 (entry mode) access: 15.1.1.1,tcp/22 MD5 sum: yzxKgnAxwUA5M2YhI8NTFQ [+] Packet statistics: U2FsdGVkX1+BvzxXj5Zv6gvfCFXwJ+iJGKPqe2whdYzyigkerSp \ 2WtvON/xTd8t6V6saxbg1v4zsK+YNt53BE8EInxVCgpD7y/gEBI \ g8sd+AvU1ekQh9vwJJduseVxDxjmAHx3oNnClo2wckBqd8zA [+] Sending one hundred fifty byte message to 16.2.2.2 over udp/62201...

As you could see from the Packet data section above, the SPA packet is a totally unintelligible blob of encrypted records. On the spa_server gadget, the following syslog message is generated indicating that an accept rule has been brought for the source IP (15.1.1.1) that generated the SPA packet. notice that the supply IP is put inside the SPA packet by means of the fwknop client. in this case, the SPA packet became now not spoofed, so the real supply handle and the supply handle embedded in the SPA packet suit. SPA packets may also be spoofed by means of fwknop with the --Spoof-src command-line argument (requires root):

Feb 10 13:55:44 spa_server fwknopd: received valid Rijndael \ encrypted packet from: 15.1.1.1, far flung consumer: mbr Feb 10 13:55:forty four spa_server fwknopd: including FWKNOP_INPUT settle for \ rule for 15.1.1.1 -> tcp/22 (30 seconds)

So, for 30 seconds after sending the SPA packet, the iptables policy on the spa_server allows for the spa_client device to set up an SSH session:

[spa_client]$ ssh -l mbr 16.2.2.2 mbr@spa_server's password:

After 30 seconds has expired, knoptm (a dæmon answerable for deleting iptables guidelines introduced by using fwknopd to the iptables policy) deletes the accept rule and writes the following messages to syslog:

Feb 10 13:fifty two:17 spa_server knoptm: removed iptables \ FWKNOP_INPUT accept rule for 15.1.1.1 -> tcp/22, \ 30 2nd timeout exceeded

Our SSH session continues to be centered after the accept rule is deleted as a result of the state tracking guidelines in the iptables coverage (see the firewall.sh script above). These suggestions permit packets which are a part of an established TCP connection to move unimpeded.

SPA via asymmetric Encryption

to use GnuPG to encrypt and sign an SPA packet, which you could execute the fwknop command under. in this case, the key identification of the fwknopd server is specified on the command line with the --gpg-recipient argument, and the important thing identification used to sign the SPA packet is given with the --gpg-signing-key argument (the output below has been abbreviated):

[spa_client]$ fwknop -A tcp/22 --gpg-recipient ABCD1234 \ --gpg-signing-key 5678DEFG -w -ok sixteen.2.2.2 [+] Sending 1010 byte message to sixteen.2.2.2 over udp/62201

As which you could see, the size of the utility component of the SPA packet has multiplied to more than 1,000 bytes, whereas it turned into most effective one hundred fifty bytes for the Rijndael example. here's since the key length of GnuPG keys (in this case 2,048 bits) and the characteristics of uneven ciphers are inclined to inflate the dimension of small chunks of statistics after being encrypted. There is not any strict correspondence between the dimension of clear-textual content and cipher-textual content records as in block ciphers such as Rijndael.

again, on the spa_server system, fwknop adds the accept rule for us. This time fwknopd stories that the SPA packet is encrypted with GnuPG, and that a sound signature for the mandatory key identification 5678DEFG is found:

Feb 10 14:38:26 spa_server fwknopd: acquired valid GnuPG encrypted packet (signed with required key id: "5678DEFG") from: 15.1.1.1, faraway consumer: mbr Feb 10 14:38:26 spa_server fwknopd: including FWKNOP_INPUT accept rule for 15.1.1.1 -> tcp/22 (30 seconds)

Thwarting a Replay assault

think that the SPA packet from the first example above turned into sniffed off the wire en route with the aid of a artful particular person on the equipment labeled attacker within the community diagram in figure 1. The SPA packet always may also be positioned back on the wire to be able to gain the same access as the original packet—here's referred to as a replay assault. There are several the way to acquire the packet facts and replay it. one of the most standard is to use tcpdump to put in writing a pcap file (during this case tcpdump -i eth0 -l -nn -s 0 -w SPA.pcap port 62201 would work) after which use tcpreplay (see tcpreplay.synfin.web/trac) to replica the SPA packet again onto the wire. a different method, after the packet has been captured, is to make use of the echo command together with netcat:

[attacker]$ echo "U2FsdGVkX1+BvzxXj5Zv6gvfCFXwJ+iJGKP \ qe2whdYzyigkerSp2WtvON/xTd8t6V6saxbg1v4zsK+YNt53BE8EI \ nxVCgpD7y/gEBIg8sd+AvU1ekQh9vwJJduseVx \ DxjmAHx3oNnClo2wckBqd8zA" |nc -u sixteen.2.2.2 62201

On the fwknopd server, the replica SPA packet is monitored, but since the MD5 sum matches that of the usual SPA packet, no access is granted, and the following message is written to syslog on the spa_server gadget:

Feb 10 14:14:24 spa_server fwknopd: attempted \ message replay from: 18.3.three.three

Conclusion

Single Packet Authorization provides an additional layer of security for services such as SSHD, and this deposit strikes at the first step that an attacker should accomplish when making an attempt to compromise a system: reconnaissance. through the use of iptables in a default-drop stance and fwknop to smell the wire for above all built (it truly is, encrypted and non-replayed) packets, it is complicated even to tell that a provider is listening, let alone speak with it. The end result is that it is vastly harder to make the most any vulnerabilities a protected carrier may have.

components

fwknop: www.cipherdyne.org/fwknop

a brilliant supply of further theoretical information about both port knocking and Single Packet Authorization can also be present in Sebastien Jeanquier's grasp's thesis on the Royal Holloway faculty, university of London. The thesis will also be downloaded from net.mac.com/s.j, and it includes a superb argument for why SPA is not “security through obscurity”.

The Rijndael cipher was chosen in 2001 for the superior Encryption ordinary (AES) as the successor to the growing older records Encryption common (DES). a fine writeup will also be discovered at en.wikipedia.org/wiki/Advanced_Encryption_Standard.

GnuPG is the GNU privacy shelter, and is an open-supply implementation of the OpenPGP ordinary. greater information can also be found at www.gnupg.org.


Apple's 64-bit A7 already powering advanced new audio, video facets in apps and video games | killexams.com Real Questions and Pass4sure dumps

 

feature

The debut of Apple's new 64-bit A7 application Processor has been assailed with the aid of a couple of business determine insisting that the new chip is never anything else special, however a series of iOS developers are reporting huge performance gains and already using the new chip to achieve "computing device type" tasks that had been not previously possible on a mobile machine.

lower than three weeks ago, Apple's head of worldwide product advertising Phil Schiller launched the surprise introduction of the brand new A7, including an atypical stage of technical element all through the iPhone 5s adventure.

relating to the chip has having a "sixty four-bit desktop classification architecture" with a "up to date guide set," Schiller cited that new chip doubled the regularly occurring goal and floating factor registers over the old A6, and contained over 1 billion transistors in a 102mm die size. Such figures are distinct in Apple's media shows; mainstream clients are not going to know what lots of it even ability.

that is left the opportunity open for critics and opponents to assert that the new chip is nothing more than a advertising and marketing charade. Qualcomm's chief marketing officer Anand Chandrasekher, for example, lately informed the media, "there is lots of noise because Apple did [64-bit] on their A7. I suppose they are doing a marketing gimmick. there's zero improvement a purchaser gets from that."

sixty four-bit A7 sooner with an extended lifestyles

Chandrasekher's opinion is chiefly suspect because the A7 is already conventional to allow key aspects of iPhone 5s, including its superior camera aspects (powered by means of the A7's image sign Processor, using an structure similar to dedicated aspect-and-shoot cameras) and contact identification (which depends on what Apple calls the A7's cozy Enclave Processor). each are built-in into the A7.

On the iPhone 5s, the brand new sixty four-bit architecture of the A7 provides instant advantages to builders due to its "modern instruction set," called ARMv8, which amongst different points speeds up AES encryption. and because Apple manages each the development of the A7 chip and the compilers and development tools within Xcode, builders can take full capabilities of latest hardware and guideline set efficiencies "for free" after they recompile their apps to run on the A7.

This manner has already more suitable Apple's personal software that is bundled on the iPhone 5s, which has all been recompiled for sixty four-bit, from the kernel to libraries and drivers to apps reminiscent of Safari, Mail, photos and Maps. there is a marked increase in efficiency accompanied in moving from 32-bit to 64-bit benchmarks on the same hardware, moreover the baseline improvement of the A7 over the A6 seen in 32-bit benchmarks.

The A7 is rarely just faster than the outdated A6; it be sooner with out requiring the extra cores and ramped up clock speeds of competing chips like Samsung's Exynos 5 Octa. That contributes to faster performance in a lighter, smaller gadget since it does not should pack a bigger battery to vigour a hot, excessive-revving brain that all of a sudden drains the battery.

as a result, Apple's iPhone 5s supplies efficiency equal or enhanced efficiency to Samsung's newest gigantic phablet, despite the notice three being outfitted with twice the device RAM, a device clock working twice as speedy and a battery over twice as gigantic (3,200 mAh vs 1570 mAh in the iPhone 5s). or not it's now not only sooner (above), but vastly more effective, enabling iPhone 5s to beat the notice 3 in battery existence when shopping the net over LTE (below).

a whole lot of App shop builders have already begun taking advantage of the new A7, and what they file about their experiences in working with the brand new sixty four-bit chip dispels the concept that the iPhone 5s is with ease wrapped in "advertising gimmicks."

Algoriddim leverages A7 in djay 2, vjay to introduce in the past not possible features

Karim Morsy of Germany's Algoriddim stated that "optimizing djay 2 for the 64-bit A7 chip has allowed us to carry desktop-classification vigor to our iPhone app."A7 "allowed us to introduce new aspects and consequences that weren't viable before" - Karim Morsy, Algoriddim

Morsy brought that "djay's audio processing and analysis is up to 2x sooner, which no longer only makes the total UI and animations run smoother but also allowed us to introduce new aspects and outcomes that weren't viable earlier than.

"Harmonic healthy, as an instance, instantly detects the important thing of a track and permits it to be transposed it into a unique key by way of altering its pitch in true-time."

"additionally," Morsy introduced, "we've measured online game-altering performance boosts with our video mixing app vjay which additionally leverages the A7’s sixty four-bit structure on iPhone 5s. HD video playback, mixing, consequences, and recording on iPhone 5s brings greater than double the video render decision, processing more than four instances extra video records in real-time."

Smule uses A7 to break boundaries with its tune apps

"The A7 has taken issues to a brand new stage," noted Jeff Smith, the executive executive of pioneering song app developer Smule in an electronic mail to AppleInsider.

"in case you don't forget," Smith brought up, "we had been the business to carry auto-tune to the iPhone with i'm T-pain four years lower back. It took a lot of engineering to make this work in actual-time. And to be sincere, we nevertheless have too plenty audio-latency on the Android contraptions to allow i am T-ache to work on those gadgets. because the launch of i am T-pain, we've got brought 110M new clients to our network of apps.""applied sciences that were previously reserved for specialists at the moment are purchasable to buyers on account of the 5s. or not it's relatively surprising” - Smule CEO Jeff Smith

He brought, "we've been trying to do true-time audio convolution on mobile instruments. Audio convolution is one of the most CPU intensive projects requiring large amounts of matrix-math. think about making an attempt to model how a sound wave will soar off of a number of surfaces at different positions in a room. Simulating such acoustic environments has customarily been reserved to workstations and cloud computing.

"So, after we had been capable of first benchmark the A7 a few weeks in the past, we had been somewhat glad to peer the processing energy from the clock speeds and more desirable pipeline. in consequence, we have been capable of do actual-time audio convolution in the palm of your hand."

Smith introduced, "with our Sing! three.0 optimized for 5s, which you can finally sing in the bathe with out getting wet. or you can sing in a church, a dormitory hallway, a woodland, the Taj Mahal, complete with our custom pitch correction, reverb, etc. applied sciences that had been previously reserved for professionals at the moment are attainable to buyers on account of the 5s. it's fairly incredible."

Smule engineers stated that they were now not in a position to get real-time audio convolution working on the iPhone 5 (or 5c), despite the cell being no slouch; both fashions are roughly comparable with Samsung's Galaxy S4 in Geekbench 3.0 rankings. as a result the enterprise says that the 'casual "benchmark' of just running the Sing app with convolution reverbs ranged from readily now not working in any respect on iPhone 5, whereas "on the 5S every little thing sounded clean and silky."

Smule additionally sells Sing for Android on Google Play, but there the title notes, "the audio technology in the back of Sing! works most advantageous on more moderen instruments, in specific Galaxy S3, Galaxy notice II, Galaxy Nexus, Nexus 4, Nexus 7, Nexus 10, and other excessive-powered contraptions." The Android app also lacks support for precise-time audio convolution.

In optimizing other titles for the A7, Smith mentioned, "we found out an issue on the A7 with our Cinebeat product which does actual-time audio and video system (also CPU intensive). It deadlocked as a collection of approaches that had been in no way imagined to finish first suddenly did. We were greatly surprised."

additional, the company noted that rendering in AutoRap "saw whatever close to a 7x speed-up" when working on the brand new A7 (which again has best been out for three weeks).

ChAIR enjoyment adjustments the video game with A7 in Infinity Blade III

"Infinity Blade III leverages the unheard of vigor of Apple's new A7 chip with sixty four-bit architecture and OpenGL ES three.0 to as soon as once again completely redefine the boundaries of mobile gaming," mentioned Laura Mustard of ChAIR leisure."or not it's authentic 'next gen' gaming,” - Laura Mustard, ChAIR

"With the unmatched energy of the iPhone 5s and its A7 chip, we are able to now mix fullscreen rendering effects, lots of polygons, and superior gameplay processing in a single smooth package.

“And we are capable of do all that with well-nigh instantaneous load instances, retaining gamers immersed in the experience instead of gazing a loading monitor. This energy has allowed us to craft the most advantageous Infinity Blade journey."

Mustard delivered, "the iPhone 5S allows for us to have an important, extremely certain Dragon spewing billowing flames that engulf the whole screen, whereas the hero, clad in armor that displays the environment, swipes to defeat the beast. We're rendering a full depth of container blur and bloom move, a colour modify move, a vignette flow, and a distortion flow - and then antialiasing the entire factor while retaining a blazing body rate. On a device that matches in your pocket. It feels like voodoo magic - but it surely's no longer. it's true 'subsequent gen' gaming.”

additional advantages of the sixty four-bit A7

Apple has outlined different benefits of the A7's 64-bit structure for app builders, noting that apps that use sixty four-bit integer math or customized NEON (advanced SIMD) operations will see enormous efficiency good points. There are different advantages regarding imaging, audio and video processing, image filters and the physics calculations used in gaming.

Apple has additionally emphasized that iOS 7 on the A7 shares the same ABI (software binary interface) as OS X. Apple's implementation of ARMv8 diverges somewhat from ARM's popular C++ ABI for the ARM sixty four-bit architecture, which is derived from the C++ ABI firstly created for SVr4 Unix on Intel's Itanium.

The ABI alterations Apple made in establishing the A7 maximize compatibility with present 64-bit code concentrated on laptop pc and Mac architectures. That turned into executed because Apple's iOS isn't easily content with tacking "sixty four-bit" on as a check-listing characteristic. iOS is designed to bring desktop-classification utility into the cellular world, and the 64-bit A7 is the next step along that development.


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Protecting SSH Servers with Single Packet Authorization | killexams.com real questions and Pass4sure dumps

Last month, in the first of a two-part series, I described the theory behind the next generation in passive authentication technologies called Single Packet Authorization (SPA). This article gets away from theory and concentrates on the practical application of SPA with fwknop and iptables to protect SSHD from reconnaissance and attack. With this setup on a Linux system, no one will be able to tell that SSHD is even listening under an nmap scan, and only authenticated and authorized clients will be able to communicate with SSHD.

To begin, we require some information about configuration and network architecture. This article assumes you have installed the latest version of fwknop (1.0.1 at the time of this writing) on the same system where SSHD and iptables are running. You can download fwknop from www.cipherdyne.org/fwknop and install either from the source tar archive by running the install.pl script or via the RPM for RPM-based Linux distributions.

Network Architecture

The basic network depicted in Figure 1 illustrates our setup. The fwknop client is executed on the host labeled spa_client (15.1.1.1), and the fwknop server (along with iptables) runs on the system labeled spa_server (16.2.2.2). A malicious system is labeled attacker (18.3.3.3), which is able to sniff all traffic between the spa_client and spa_server systems.

Figure 1. Sample Scenario Where You Use SPA to Protect SSH Communications

Default-Drop iptables Policy

The spa_client system has the IP address 15.1.1.1, and the spa_server system has the IP address 16.2.2.2. On the spa_server system, iptables is configured to provide basic connectivity services for the internal network (192.168.10.0/24) and to log and drop all attempts (via the iptables LOG and DROP targets) from the external network to connect to any service on the firewall itself. This policy is quite simplistic, and it is meant to show only that the firewall does not advertise any services (including SSHD) under an nmap scan. Any serious deployment of iptables for a real network would be significantly more complicated. One important feature to note, however, is that the connection tracking facilities provided by Netfilter are used to keep state in the iptables policy. The end result is that connections initiated through the firewall (via the FORWARD chain) and to the firewall (via the INPUT chain) remain open without additional ACCEPT rules to allow packets required to keep the connections established (such as TCP acknowledgements and the like). The iptables policy is built with the following basic firewall.sh script:

[spa_server]# cat firewall.sh #!/bin/sh IPTABLES=/sbin/iptables $IPTABLES -F $IPTABLES -F -t nat $IPTABLES -X $IPTABLES -A INPUT -m state --state ↪ESTABLISHED,RELATED -j ACCEPT $IPTABLES -A FORWARD -m state --state ↪ESTABLISHED,RELATED -j ACCEPT $IPTABLES -t nat -A POSTROUTING -s ↪192.168.10.0/24 -o eth0 -j MASQUERADE $IPTABLES -A INPUT -i ! lo -j LOG --log-prefix ↪"DROP " $IPTABLES -A INPUT -i ! lo -j DROP $IPTABLES -A FORWARD -i ! lo -j LOG --log-prefix ↪"DROP " $IPTABLES -A FORWARD -i ! lo -j DROP echo 1 > /proc/sys/net/ipv4/ip_forward echo "[+] iptables policy activated" exit [spa_server]# ./firewall.sh [+] iptables policy activated

With iptables active, it is time to see what remote access we might have. From the spa_client system, we use nmap to see if SSHD is accessible on the spa_server system:

[spa_client]$ nmap -P0 -sT -p 22 16.2.2.2 Starting Nmap 4.01 ( http://www.insecure.org/nmap/ ) at 2007-02-09 23:55 EST Interesting ports on 16.2.2.2: PORT STATE SERVICE 22/tcp filtered ssh Nmap finished: 1 IP address (1 host up) scanned in 12.009 seconds

As expected, iptables is blocking all attempts to communicate with SSHD, and the remaining ports (both TCP and UDP) are similarly protected by the iptables policy. It does not matter if an attacker has a zero-day exploit for the particular version of OpenSSH that is deployed on the spa_server system; all attempts to communicate up the stack are being blocked by iptables.

fwknop SPA Configuration

Confident that iptables is protecting the local network with a Draconian stance, it is time to configure the fwknop server dæmon (fwknopd) on the spa_server system. The file /etc/fwknop/fwknop.conf controls important configuration parameters, such as the interface on which fwknopd sniffs traffic via libpcap, the e-mail address(es) to which fwknopd sends informational alerts and the pcap filter statement designed to sniff SPA packets off the wire. By default, fwknop sends SPA packets over UDP port 62201, so the pcap filter statement in /etc/fwknop/fwknop.conf is set to udp port 62201 by default. However, SPA packets can be sent over any port and protocol (even over ICMP), but the filter statement would need to be updated to handle SPA communications over other port/protocols. More information can be found in the fwknop man page. Although the defaults in this file usually make sense for most deployments, you may need to tweak the PCAP_INTF and EMAIL_ADDRESSES variables for your particular setup.

The /etc/fwknop/access.conf file is the most important fwknopd configuration file—it manages the encryption keys and access control rights used to validate SPA packets from fwknop clients. The following access.conf file is used for the remainder of this article:

[spa_server]# cat /etc/fwknop/access.conf SOURCE: ANY; OPEN_PORTS: tcp/22; FW_ACCESS_TIMEOUT: 30; KEY: LJ07p2rbga; GPG_DECRYPT_ID: ABCD1234; GPG_DECRYPT_PW: p2atc1l30p; GPG_REMOTE_ID: 5678DEFG; GPG_HOME_DIR: /root/.gnupg;

The SOURCE variable defines the IP addresses from which fwknopd accepts SPA packets. The value ANY shown above is a wild card to examine SPA packets from any IP address, but it can be restricted to specific IP addresses or subnets, and comma-separated lists are supported (for example, 192.168.10.0/24, 15.1.1.1). The OPEN_PORTS variable informs fwknopd about the set of ports that should be opened upon receiving a valid SPA packet; in this case, fwknopd will open TCP port 22.

Although not shown above, fwknopd can be configured to allow the fwknop client to dictate the set of ports to open by including the PERMIT_CLIENT_PORTS variable and setting it to Y. FW_ACCESS_TIMEOUT specifies the length of time that an ACCEPT rule is added to the iptables policy to allow the traffic defined by the OPEN_PORTS variable. Because the iptables policy in the firewall.sh script above makes use of the connection tracking capabilities provided by Netfilter, an SSH connection will remain established after the initial ACCEPT rule is deleted by fwknopd.

The remaining variables define parameters for the encryption and decryption of SPA packets. This article illustrates the usage of both symmetric and asymmetric ciphers, but only one encryption style is required by fwknop.

All of the GPG_* variables can be omitted if there is a KEY variable and vice versa. The KEY variable defines a shared key between the fwknop client and fwknopd server. This key is used to encrypt/decrypt the SPA packet with the Rijndael symmetric block cipher (see Resources). For asymmetric encryption, GPG_DECRYPT_ID defines the local fwknopd server GnuPG key ID. This key is used by the fwknop client to encrypt SPA packets via an encryption algorithm supported by GnuPG (such as the ElGamal cipher).

GPG_DECRYPT_PW is the decryption password associated with the fwknopd server key. Because this password is placed within the access.conf file in clear text, it is not recommended to use a valuable GnuPG key for the server; a dedicated key should be generated for the purpose of decrypting SPA packets. The fwknop clients sign SPA packets with a GnuPG key on the local key ring, and the password is supplied by the user from the command line and never stored within a file (as we will see below). Hence, any GnuPG key can be used by the fwknop client; even a valuable key used for encrypting sensitive e-mail communications, for example.

The GPG_REMOTE_ID variable defines a list of key IDs that the fwknopd server will accept. Any SPA packet encrypted with the fwknopd server public key must be signed with a private key specified by the GPG_REMOTE_ID variable. This allows fwknopd to restrict the set of people who can gain access to a protected service (SSHD in our case) via a cryptographically strong mechanism. Instructions for creating GnuPG keys for use with fwknop can be found at www.cipherdyne.org/fwknop/docs/gpghowto.html.

With the /etc/fwknop/access.conf file built, it is time to start fwknopd on the spa_server system and put fwknop to work for us:

[spa_server]# /etc/init.d/fwknop start * Starting fwknop ... [ ok ]

SPA via Symmetric Encryption

On the spa_client system, we use fwknop to build an SPA packet encrypted via Rijndael and send it on its way to the spa_server system. We want access to SSHD, and the -A argument below encodes the desired access within the SPA packet. The -w argument resolves the IP address of the client system by querying http://www.whatismyip.com (this is useful if the fwknop client is behind a NAT device), the -k argument is the IP address of the destination SPA server, and -v runs in verbose mode so we can view the raw packet data:

[spa_client]$ fwknop -A tcp/22 -w -k 16.2.2.2 -v [+] Starting fwknop in client mode. Resolving external IP via: http://www.whatismyip.com/ Got external address: 15.1.1.1 [+] Enter an encryption key. This key must match a key in the file /etc/fwknop/access.conf on the remote system. Encryption Key: [+] Building encrypted single-packet authorization (SPA) message... [+] Packet fields: Random data: 7764880827899123 Username: mbr Timestamp: 1171133745 Version: 1.0.1 Action: 1 (access mode) Access: 15.1.1.1,tcp/22 MD5 sum: yzxKgnAxwUA5M2YhI8NTFQ [+] Packet data: U2FsdGVkX1+BvzxXj5Zv6gvfCFXwJ+iJGKPqe2whdYzyigkerSp \ 2WtvON/xTd8t6V6saxbg1v4zsK+YNt53BE8EInxVCgpD7y/gEBI \ g8sd+AvU1ekQh9vwJJduseVxDxjmAHx3oNnClo2wckBqd8zA [+] Sending 150 byte message to 16.2.2.2 over udp/62201...

As you can see from the Packet data section above, the SPA packet is a completely unintelligible blob of encrypted data. On the spa_server system, the following syslog message is generated indicating that an ACCEPT rule has been added for the source IP (15.1.1.1) that generated the SPA packet. Note that the source IP is put within the SPA packet by the fwknop client. In this case, the SPA packet was not spoofed, so the real source address and the source address embedded in the SPA packet match. SPA packets can be spoofed by fwknop with the --Spoof-src command-line argument (requires root):

Feb 10 13:55:44 spa_server fwknopd: received valid Rijndael \ encrypted packet from: 15.1.1.1, remote user: mbr Feb 10 13:55:44 spa_server fwknopd: adding FWKNOP_INPUT ACCEPT \ rule for 15.1.1.1 -> tcp/22 (30 seconds)

So, for 30 seconds after sending the SPA packet, the iptables policy on the spa_server allows the spa_client system to establish an SSH session:

[spa_client]$ ssh -l mbr 16.2.2.2 mbr@spa_server's password:

After 30 seconds has expired, knoptm (a dæmon responsible for deleting iptables rules added by fwknopd to the iptables policy) deletes the ACCEPT rule and writes the following messages to syslog:

Feb 10 13:52:17 spa_server knoptm: removed iptables \ FWKNOP_INPUT ACCEPT rule for 15.1.1.1 -> tcp/22, \ 30 second timeout exceeded

Our SSH session remains established after the ACCEPT rule is deleted because of the state tracking rules in the iptables policy (see the firewall.sh script above). These rules allow packets that are part of an established TCP connection to pass unimpeded.

SPA via Asymmetric Encryption

To use GnuPG to encrypt and sign an SPA packet, you can execute the fwknop command below. In this case, the key ID of the fwknopd server is specified on the command line with the --gpg-recipient argument, and the key ID used to sign the SPA packet is given with the --gpg-signing-key argument (the output below has been abbreviated):

[spa_client]$ fwknop -A tcp/22 --gpg-recipient ABCD1234 \ --gpg-signing-key 5678DEFG -w -k 16.2.2.2 [+] Sending 1010 byte message to 16.2.2.2 over udp/62201

As you can see, the length of the application portion of the SPA packet has increased to more than 1,000 bytes, whereas it was only 150 bytes for the Rijndael example. This is because the key length of GnuPG keys (in this case 2,048 bits) and the characteristics of asymmetric ciphers tend to inflate the size of small chunks of data after being encrypted. There is no strict correspondence between the size of clear-text and cipher-text data as in block ciphers such as Rijndael.

Again, on the spa_server system, fwknop adds the ACCEPT rule for us. This time fwknopd reports that the SPA packet is encrypted with GnuPG, and that a valid signature for the required key ID 5678DEFG is found:

Feb 10 14:38:26 spa_server fwknopd: received valid GnuPG encrypted packet (signed with required key ID: "5678DEFG") from: 15.1.1.1, remote user: mbr Feb 10 14:38:26 spa_server fwknopd: adding FWKNOP_INPUT ACCEPT rule for 15.1.1.1 -> tcp/22 (30 seconds)

Thwarting a Replay Attack

Suppose that the SPA packet from the first example above was sniffed off the wire en route by a crafty individual on the system labeled attacker in the network diagram in Figure 1. The SPA packet always can be placed back on the wire in an effort to gain the same access as the original packet—this is known as a replay attack. There are several ways to acquire the packet data and replay it. One of the most common is to use tcpdump to write a pcap file (in this case tcpdump -i eth0 -l -nn -s 0 -w SPA.pcap port 62201 would work) and then use tcpreplay (see tcpreplay.synfin.net/trac) to copy the SPA packet back onto the wire. Another method, after the packet has been captured, is to use the echo command along with netcat:

[attacker]$ echo "U2FsdGVkX1+BvzxXj5Zv6gvfCFXwJ+iJGKP \ qe2whdYzyigkerSp2WtvON/xTd8t6V6saxbg1v4zsK+YNt53BE8EI \ nxVCgpD7y/gEBIg8sd+AvU1ekQh9vwJJduseVx \ DxjmAHx3oNnClo2wckBqd8zA" |nc -u 16.2.2.2 62201

On the fwknopd server, the duplicate SPA packet is monitored, but because the MD5 sum matches that of the original SPA packet, no access is granted, and the following message is written to syslog on the spa_server system:

Feb 10 14:14:24 spa_server fwknopd: attempted \ message replay from: 18.3.3.3

Conclusion

Single Packet Authorization provides an additional layer of security for services such as SSHD, and this layer strikes at the first step that an attacker must accomplish when trying to compromise a system: reconnaissance. By using iptables in a default-drop stance and fwknop to sniff the wire for specially constructed (that is, encrypted and non-replayed) packets, it is difficult even to tell that a service is listening, let alone communicate with it. The end result is that it is significantly harder to exploit any vulnerabilities a protected service might have.

Resources

fwknop: www.cipherdyne.org/fwknop

An excellent source of additional theoretical information about both port knocking and Single Packet Authorization can be found in Sebastien Jeanquier's Master's thesis at the Royal Holloway College, University of London. The thesis can be downloaded from web.mac.com/s.j, and it includes an excellent argument for why SPA is not “security through obscurity”.

The Rijndael cipher was selected in 2001 for the Advanced Encryption Standard (AES) as the successor to the aging Data Encryption Standard (DES). A good writeup can be found at en.wikipedia.org/wiki/Advanced_Encryption_Standard.

GnuPG is the GNU Privacy Guard, and is an open-source implementation of the OpenPGP standard. More information can be found at www.gnupg.org.


'How to Train Your Dragon 3' Looks to End February on a High Note | killexams.com real questions and Pass4sure dumps

by Brad BrevetFebruary 21, 2019

SATURDAY AM UPDATE: Universal's release of DreamWorks Animation's How to Train Your Dragon: The Hidden World is off to a great start, bringing in an estimated $17.49 million on Friday, heading toward what could be a $60+ million debut, well ahead of expectations. The opening would also serve as the largest opening in the How to Train Your Dragon franchise by a wide margin, not to mention the largest opening of 2019 so far. The film received an "A" CinemaScore from opening day audiences.

MGM's Fighting with My Family brought in an estimated $2.55 million on Friday and is expected to deliver a three-day anywhere from $7.5-8 million.

You can check out all of the Friday estimates right here and we'll be back tomorrow morning with a complete look at the weekend.

FRIDAY AM UPDATE: Universal Pictures's release of DreamWorks Animation's How to Train Your Dragon: The Hidden World is off to a solid start, bringing in $3 million from Thursday previews in 3,200 theaters with showtimes beginning at 6PM. The performance does not include the $2.5 million from the exclusive Fandango event earlier this month and doubles the $1.5 million in previews for The LEGO Movie 2: The Second Part, not to mention outperforms preview grosses for The LEGO Batman Movie ($2.2 million), How to Train Your Dragon 2 ($2 million), Zootopia ($1.7 million) and The Boss Baby ($1.5 million).

We'll take a closer look at things tomorrow morning once Friday estimates come in. For now you can check out our weekend preview below.

WEEKEND PREVIEW: The winter box office season is nearing an end, serving as good news for what has been a rather rough start to 2019. Fortunately, before all eyes turn to March and Captain Marvel and Us, it would appear one of the final new wide releases of the season is looking to close things out on a high note as Universal debuts How to Train Your Dragon: The Hidden World, their first DreamWorks Animation release since acquiring the animation studio in 2016 for $3.8 billion. The film is already off to a strong start internationally since releasing overseas seven weeks ago and is now looking to keep the momentum domestically. Also going wide this weekend is MGM's Fighting with My Family, after a limited debut last weekend, and Roadside is debuting Run the Race in moderate release.

At a reported $129 million, How to Train Your Dragon: The Hidden World carries the lightest budget of the three films in the animated franchise, and it looks as if it will see a debut weekend within the vicinity of its two predecessors. Universal is the third studio to release a film in the How to Train Your Dragon franchise with Paramount's original release back in 2010 launching with $43.7 million before going on to gross over $217 million domestically and nearly $495 million worldwide. Fox took over for the sequel in 2014, which didn't live up to its predecessor domestically, debuting with $49.5 million and grossing over $177 million stateside, but the film exploded worldwide with $621.5 million.

To that point, The Hidden World has already grossed over $181 million internationally from 49 markets, of which it debuted at #1 in 40 of them and delivered the largest openings in the series in 39 of those markets. This weekend it will add nine additional international markets to go along with its domestic release, including Russia and Spain, with debuts in China (3/1) and Japan (8/23) still to come.

As for its domestic bow, the film already has $2.5 million in its domestic coffers thanks to an advanced screening partnership with Fandango.com that took place on February 2. The sneak performance nearly doubled the $1.3 million in ticket sales from Amazon Prime's partnership with Sony prior to the launch of Hotel Transylvania 3, which went on to debut with $44 million last July.

That said, Hidden World will open in 4,259 theaters from which the studio is anticipating an opening around $40 million. Based on what we're seeing that would be the low end with our research pointing more toward a debut anywhere from $43-45 million. Comps we're focused on include Cars 3 ($53.7m opening) and Kung Fu Panda 3 ($41.3m opening), compared to which we're seeing Hidden World pacing behind Cars 3, while slightly out-pacing Kung Fu Panda 3 when looking at IMDb page views over the two weeks leading up to release. All of this has us forecasting a $44 million debut this weekend.

Following a debut performance that topped expectations, Fox's Alita: Battle Angel enters its sophomore frame as something of a question mark. It received a solid "A-" CinemaScore from opening day crowds and the audience score on RottenTomatoes is a strong 94% to go along with a solid 7.6/10 rating from IMDb users. The question here is whether it can continue to over perform. Based on what we're seeing historically, a best case scenario looks like a drop around -48% or so this weekend and a $14.8 million three-day performance for a domestic cume topping $63 million by the end of the weekend. That, however, is based primarily on its three-day performance over the three-day holiday weekend, of which it got a jump start on the Thursday prior, what kind of effect that has on its performance this weekend will be something to watch.

WB's The LEGO Movie 2 is looking at a third place finish as we're left to wonder just how much of a bite How to Train Your Dragon will take out of its third weekend potential. The LEGO film debuted well below expectations and looks as if it is likely to continue its slide as we anticipate a drop around -45% this weekend and a three-day around $11.5 million. Should our forecast hold we're anticipating a cumulative total topping $85 million.

Fourth place is where we find MGM's expansion of Fighting with My Family, which the studio debuted in four locations last week with a weekend per theater average reaching $34,695. This weekend the film expands into 2,711 theaters with industry expectations anticipating a performance around $8-10 million. Based on historical performances and a look at IMDb page view performance leading up to release we're anticipating a performance on the higher end of that range, if not potentially popping even higher thanks to a strong, "A" CinemaScore and a 93% score on RottenTomatoes.

Rounding out the top five is WB and New Line's Isn't It Romantic, which delivered on expectations last weekend and should dip around -43% or so this weekend for a $8+ million three-day and a cume approaching $35 million by the end of the weekend.

Elsewhere in the top ten, STXFilms's The Upside will be looking to top $100 million by the end of this weekend if it can deliver a three-day drop around -34% or so. Right now we anticipate it just barely making the grade with a $3.6 million three-day.

The weekend's final new "wide" release is actually more of a moderate debut in Roadside's release of the Tim Tebow-produced football drama Run the Race. The film will open in 854 locations and it wouldn't be at all a shock to see it land a spot in the top ten, possibly taking in $2-3 million this weekend.

In limited release Fox International will debut Total Dhamaal in 202 locations.

This weekend's forecast is directly below. This post will be updated on Friday morning with Thursday night preview results followed by Friday estimates on Saturday morning, and a complete weekend recap on Sunday morning.

  • How to Train Your Dragon: The Hidden World (4,259 theaters) - $44.0 M
  • Alita: Battle Angel (3,820 theaters) - $14.8 M
  • The LEGO Movie 2: The Second Part (3,833 theaters) - $11.4 M
  • Fighting with My Family (2,711 theaters) - $10.0 M
  • Isn't It Romantic (3,444 theaters) - $8.1 M
  • What Men Want (2,389 theaters) - $6.3 M
  • Happy Death Day 2U (3,212 theaters) - $4.5 M
  • The Upside (2,148 theaters) - $3.6 M
  • Cold Pursuit (2,320 theaters) - $3.3 M
  • Glass (1,440 theaters) - $2.3 M
  • Discuss this story with fellow Box Office Mojo fans on Facebook. On Twitter, follow us at @boxofficemojo.


    Advanced Emissions Solutions to Host Fourth Quarter 2018 Conference Call on March 19th Nasdaq:ADES | killexams.com real questions and Pass4sure dumps

    (MENAFN - GlobeNewsWire - Nasdaq) itemprop="articleBody">HIGHLANDS RANCH, Colo., March 04, 2019 (GLOBE NEWSWIRE) -- Advanced Emissions Solutions, Inc. (NASDAQ: ADES) (the "Company" or "ADES") today announced the Company expects to release its fourth quarter 2018 financial results and file its Annual Report on Form 10-K for the year ended December 31, 2018 after market close on Monday, March 18, 2019. A conference call to discuss the Company's financial performance is scheduled to begin at 9:00 a.m. Eastern Time on Tuesday, March 19, 2019.

    The conference call webcast information will be available via the Investor Resources section of ADES's website at www.advancedemissionssolutions.com. Interested parties may also participate in the call by dialing: (833) 227-5845 (Domestic) or (647) 689-4072 (International) conference ID 5169672. A supplemental investor presentation will be available on the Company's Investor Resources section of the website prior to the start of the conference call.

    About Advanced Emissions Solutions, Inc.Advanced Emissions Solutions, Inc. serves as the holding entity for a family of companies that provide emissions solutions to customers in the power generation and other industries.

    ADA-ES, Inc. ('ADA') is a wholly-owned subsidiary of Advanced Emissions Solutions, Inc. ('ADES') that provides emissions control solutions for coal-fired power generation and industrial boiler industries. With more than 25 years of experience developing advanced mercury control solutions, ADA delivers proprietary environmental technologies, equipment and specialty chemicals that enable coal-fueled boilers to meet emissions regulations. Carbon Solutions is a wholly owned subsidiary of ADES and a leading producer of Powdered Activated Carbon ("PAC") solutions for the coal-fired power plant, industrial and potable water markets. CarbPure Technologies LLC, ('CarbPure'), formed in 2015 provides high-quality PAC and granular activated carbon ('GAC') ideally suited for treatment of potable water and wastewater. Our affiliate company, ADA Carbon Solutions, LLC manufactures the products for CarbPure. Tinuum Group, LLC ('Tinuum Group') is a 42.5% owned joint venture by ADA that provides patented Refined Coal ('RC') technologies to enhance combustion of and reduce emissions of NOx and mercury from coal-fired power plants.

    Source: Advanced Emissions Solutions, Inc.

    Investor Contact:

    Alpha IR GroupRyan Coleman or Chris Hodges312-445-2870

    MENAFN0403201900703653ID1098206091

    Advanced Emissions Solutions to Host Fourth Quarter 2018 Conference Call on March 19th Nasdaq:ADES

    Design & Devleopment by MENAFN



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