security

Configuring Port Security

Mar 31, 2011 · 3 min read · Access control Catalyst switch CCENT CCNA CCNA Security Cisco cisco Cisco IOS ICND1 ICND2 MAC address networking Port security router security software technology tutorial Tutorials ·

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Secure Today this tutorial is going to be talking about how to configure port security on a Cisco Catalyst switch. Port security is one of the first things you can do to keep your network secure from unauthorized access. Port security can restrict devices so only devices you allow are granted access to network …

Configuring SSH

Mar 29, 2011 · 3 min read · CCENT CCNA CCNA Security Cisco networking RSA Secure Shell security SSH technology Telnet Tutorials ·

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Today this tutorial is going be talking about how to configure SSH on a Cisco router or switch. SSH or Secure Shell encrypts the data that is sent from the terminal application to the device. Making if far more safer when it is compared to telnet which sends the data in plain text. To add support for SSH to a Cisco …

Understanding Zone Based Firewalls

Mar 18, 2011 · 5 min read · CCNA Security Cisco cisco firewall networking operating systems router security software technology tutorial Tutorials ·

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Earlier we talked about using CBAC (See the post Understanding CBAC) the "classic firewall" and we mention some information about zone based firewalls but not nearly enough. So today we will be talking about zone based firewalls. Why are they different? We also will learn the basics about what is zone based …

Common Network Attacks

Mar 17, 2011 · 4 min read · CCENT CCNA CCNA Security Cisco computers Denial-of-service attack ICND1 ICND2 Network administrator networking Security security Server (computing) SYN flood technology Transmission Control Protocol User Datagram Protocol ·

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Network attacks have always been around but they are getting more advanced every day. These attacks are also easy to set up and use. In the past these types of attacks would have to be pulled off by someone who really knew about computers and to know what they are doing. That's a true hacker, now there are programs …

Cracking WEP

Mar 14, 2011 · 3 min read · Aircrack-ng backtrack computers Linux MAC address Network security networking operating systems security Software software tutorial Tutorials Wi-Fi Wired Equivalent Privacy wireless ·

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BackTrack is Linux network security audit tool for security professionals. This tool is used for testing and penetrating networks. That being said** This tutorial is for educational use only. This is meant only to teach that WEP is an insecure option, and is recommend to use a harder encryption. Using this tutorial on …