testing your network card

... Trang 1Chapter 11 - Configuring and Testing Your NetworkCCNA Exploration 4.0 Trang 2(IOS) • Use Cisco CLI commands to perform basic router ... performance baseline for the network Trang 3Role of Internetwork Operating System (IOS)embedded H ọ c vi ệ n m ạ ng Bách khoa - Website: www.bkacad.com Trang 4Role of Internetwork Operating System ... error messages by default Trang 11Role of Internetwork Operating System (IOS)H ọ c vi ệ n m ạ ng Bách khoa - Website: www.bkacad.com Trang 12Role of Internetwork Operating System (IOS)H ọ c vi ệ n

Ngày tải lên: 22/12/2013, 13:17

... subsequent purchaser Trang 4TITLES IN THE SERIES PETER WATCYN-JONES eit aerial Trang 5Start Testing Your Vocabulary is the first book in the series and is intended for elementary students It contains ... learn a lot of new English words But in order for the new words to become ‘fixed’ in your mind, you need to test yourself again and again Hete is one method you can use to help you learn the words ... carefully for the test you are going to try, Then try the test, writing your answers in pencil 2 When you have finished, check your answers and correct any mistakes you have made Read through the

Ngày tải lên: 04/10/2012, 11:21

... Misconceptions 1 "The goal of network security is to secure the network" (or "the computers") Securing the network is easy, but it's not your goal Your real goal ― and a more difficult ... 1PRODUCING YOUR NETWORK SECURITY POLICY JULY 2007 Frederick M Avolio Avolio Consulting Steve Fallin D Scott Pinzon, CISSP, NSA-IAM Watchguard Technologies, Inc Trang 2Producing Your Network Security ... denied? (If Trojan horse code infests your network, proper egress filtering can prevent the code from contacting its author to establish a back door into your network.) ƒ What incoming protocols

Ngày tải lên: 05/03/2014, 23:20

... book falls off the table and kills your cat, etc.Basically, despite what I may tell you, you are still required to use your judg-ment, and you are responsible for your own actions Politics • Chapter ... software if the license hibits it, you may have to give up your crypto keys if law enforcement asks,and software vendors may be able to disable your use of their software if theychoose Many of the ... positive ornegative effect probably depends on your business model Folks might behesitant if you’re a managed services company Folks might be less hesitant if your company performs penetration tests

Ngày tải lên: 14/08/2014, 04:21

... to the name of your network interface card (NIC) You can identify it by going to HKLM\SOFTWARE\Microsoft\ Windows NT\CurrentVersion\NetworkCards and looking for it In the testing I have done, ... 139 should be closed at your network s border router or firewall There is no legitimate reason this port should be open to the Internet If... of your network Testing for certain categories ... ,37 ,00,00 ; tcp(6)... your network, but you are probably wondering how you can test for these different exploits without affecting the daily operation of your network That is a good question,

Ngày tải lên: 14/08/2014, 04:21

... Other Tools Ultimately, your goal is probably to cause the change that you’ve been toring to occur at will In other words, if you’ve been trying to give yourselfmore gold in your game, you want to ... his attempts can reachyour host If he’s trying to brute force guess a password, then keep respondingslower and slower Or, you could just favor security as a primary goal in your development process, ... number of text options that youcan explore on your own As we’ll see next, there’s a much better utility forcomparing text files, but if you find yourself working on someone else’smachine that

Ngày tải lên: 14/08/2014, 04:21

... credit card information safe on the Web? A: SSL only provides a secure mechanism while the information is in transitfrom your computer to the server you are conducting the transaction with.After your ... and associated resources Now, if an attacker is to modify the commands your application is sending to your databaseserver, your attacker is using the preestablished credentials of the application; ... found this chapter interesting enough to further your education of cryptography and to also use the information that was presented as you gothrough your information technology career Trang 9Bruce

Ngày tải lên: 14/08/2014, 04:21

... with the payload Generally, this is the first thing your payload will do.When your overflow payload is delivered, you may not know exactly whereyour buffer is resting in memory since it can vary ... will be left with the burden of guessing exactly where your payload is located in memory This is next to impossible The problem is that your payload will not always be in theexact same place ... some sort of user-controlled buffer within it Youfirst dump your payload into that buffer, and then you alter the object pointer so that your payload gets used for something it shouldn’t, such as

Ngày tải lên: 14/08/2014, 04:21

... traverse your networks, the simplicity with which it can bemonitored, and steps that you can take to limit your exposure The realsolution is to ensure that you are aware of the traffic on your network,and ... restrictions on using this version Network MonitorNetwork Monitor, available on Windows NT based systems, has the capability to monitor who is actively running Netmon on your network It also maintains ... attempting to monitor traffic on a switched network, you will run intoone serious problem: The switch will limit the traffic that is passed over yoursection of the network Switches keep an internal list

Ngày tải lên: 14/08/2014, 04:21

... information is actually enough of a “network fingerprint” toprevent, among (many) other things, untrusted users outside your networkfrom transmitting packets to your network that appear to be from ... trust all tend to congregate within a given network that Trang 8you control, then controlling the entrance (ingress) and exit (egress) points ofyour network allows you, as a security administrator, ... Prove Shared Do I recognize your password? What kind of passwords do I Prove Private Can I recognize your voice? What exactly does this “chosen Prove Identity Is your tattoo still there? Do I

Ngày tải lên: 14/08/2014, 04:21

... processes as auser other than yourself This could be a user who has no special privileges onyour system You could also achieve the same effect by using a nonprivileged user for your everyday tasks, and ... frequently download mp3 audio files for your listening plea-sure Naturally, to limit damages, you do your downloading as a nobody user. You also read your e-mail that way Along comes the “I Love ... virus/worm,and you get infected Your nobody user doesn’t have the ability to erase impor-tant system files, so your OS is safe However, you obviously have rights toyour own mp3 files, and one of

Ngày tải lên: 14/08/2014, 04:21

... producing security patches your top priority.People and companies depend on your products to perform securely It’s badenough that a security problem was found Don’t leave your customers vulner-able ... intrusions is because patches have not been applied In your busywork schedule, it is easy to forget to apply security patches Make applyingpatches one of your top priorities, and make sure you have buy-in ... posting your informa-tion at the same time We explained what the full disclosure security philosophy is and where it comes from, and discussed whether you should release anexploit with your report,

Ngày tải lên: 14/08/2014, 04:21

... ofEngineering at Secure Networks, Inc., which was acquired by NetworkAssociates in 1998 Post acquisition, Oliver managed the development ofNetwork Associates’ award-winning CyberCop Scanner network auditingproduct, ... right In the second edition of Hack Proofing Your Network, I’ve tried to incorporate as many of those suggestions as I could When Hack Proofing Your Network was first published, there were very ... is your key to this amazing site Just go to www.syngress.com/solutions, and keep this book handy when you register to verify your purchase Thank you for giving us the opportunity to serve your

Ngày tải lên: 14/08/2014, 04:21

... number of text options that you can explore on your own As we’ll see next, there’s a much better utility for comparing text files, but if you find yourself working on someone else’s machine that ... makethe process easier For example, after you’ve caused your program to perform some action, youwill want to know what was changed In most cases, your action will have changed a file on the disk, but ... for live,running games It would install in memory-resident mode, and you would thenlaunch your game Once your game was running, you’d record some value (hitpoints, gold, energy, etc.) and tell

Ngày tải lên: 14/08/2014, 04:21

... hacking, you may not be able to see your results, because most applications are not designed to handle multiple record sets; therefore, you may need to fumble your way around until you verify that ... require some insight into your target database server (which may be unknown to the attacker).You should become familiar with the SQL extensions and stored procedures that your particular server ... covered in more detail in Chapter 16. A basic signature-matching network IDS has a list of various values and situa- tions to look for on a network.When a particular scenario matches a signature, the

Ngày tải lên: 14/08/2014, 04:21

... injector, a jumppoint, and a payload.The injector places your code where it needs to be, thejump point transfers control to your payload, and your payload is the actual codeyou wish to execute over-There ... code In a tight buffer situation where you can’t tuck your code elsewhere, this may justnot be an option.The simple overview is to treat your shellcode like a symbollookup function In this case, ... privi-leged program, and with your payload, attack and exploit a higher privilegedpiece of code This technique allows you to execute a simple exploitation of a program toget your foot in the door, then

Ngày tải lên: 14/08/2014, 04:21

... routed through your host Ensurethat you have enabled IP forwarding, and that your default gateway is set to thereal network gateway All outbound traffic from the host will pass through yourhost, and ... what if you can’t use encryption on your network for some reason? What doyou do then? If this is the case, then you must rely on detecting any networkinterface card (NIC) that may be operating in ... patched to counteract AntiSniff Network Monitor Network Monitor, available on Windows NT based systems, has the capability tomonitor who is actively running NetMon on your network It also maintains

Ngày tải lên: 14/08/2014, 04:21

... decrypt data or sign your indepen-dent identity—this is known as the private key.The other is publicized freely, andcan encrypt data for your decrypting purposes or be used to verify your signature ... possible solution to this problem Designing the Nonexistent:The Network Card That Didn’t Exist but Responded Anyway As far as a network is concerned, routers inherently do three things: ■ Respond ... provided by the network card itself Morededicated systems from Cisco and other vendors move more of routing intohardware itself; specialized ASICs are fabbed for maximum performance But thenetwork doesn’t

Ngày tải lên: 14/08/2014, 04:21

... can be successfully executed with network-a minimnetwork-al set of tools network-and network-a smnetwork-all investment of time, money, network-and determinnetwork-ation Trang 20The two examples ... CompactFlash Card into a PCMCIA CompactFlash Adapter Trang 15CompactFlash cards are compatible with the ATA/IDE hard drive tion, so most operating systems will automatically detect the cards without ... that the memory card contains BSD, we can attempt to ‘mount’ the card to the /mnt/fs directory (as read-only to prevent us from accidentally over-writing data on the original card), which should

Ngày tải lên: 14/08/2014, 04:21

... make them more effective?A: All networks are different and require varying levels of monitoring.Your ticular risk tolerance should help you find this out, though A network that desires a high level ... exposures Correlate your logs and IDS events to give you a better picture of what may be going on Do not rely on authori- ties and the network administrators of the attacking networks; they are ... as they are happy to help and answer any of your questions, but be wary of the marketingspeak Make your own deci- sion as to what product will fit your needs. False positive rates are probably

Ngày tải lên: 14/08/2014, 04:21