Cisco Skills

WordPress.com Hit by a DoS Attack

Mar 4, 2011 · 3 min read · CCENT Cisco cisco computers Denial-of-service attack General ICND1 Internet Matt Mullenweg networking Security security Server (computing) SYN flood technology WordPress.com ·

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Yesterday, (March 3rd 2011) there was a massive DoS attack that hit WordPress.com. Cisco Skill's uses WordPress.com has a hosting provider but is not believed to one of the sites hit. There still is no word on who or why they targeted WordPress.com but goes to show that Denial of Service is still a popular type of …

Install BackTrack

Mar 1, 2011 · 3 min read · backtrack computers Graphical user interface Linux networking Operating system operating systems Security security Software software technology tutorial Tutorials ·

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This is a full install of BackTrack 4 this can be in a virtual machine, dual-boot, or the main OS. So you burned the image that you downloaded from http://www.backtrack-linux.org/ and are ready to go! If not I would recommend you do that first. BackTrack is a Linux penetration testing for network security. This is a …

Intel Thunderbolt

Feb 28, 2011 · 2 min read · Apple computers Hardware HDMI Intel Intel Corporation Light Peak MacBook Pro operating systems technology Thunderbolt Universal Serial Bus ·

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Intel announced on Friday (February 25th 2011) the new high speed connector that will coexists with USB 3.0. Apple also announced that it will be appearing first on the MacBook Pros. Thunderbolt known before has Light Peak is a new high-speed PC connection technology. This cable can combine data and high-definition all …

Understanding TCP

Feb 25, 2011 · 3 min read · CCENT CCNA cisco ICND1 ICND2 Internet networking Protocols router TCP technology Transmission Control Protocol Transmission Protocols tutorial ·

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This tutorial is going to be talking about the TCP protocol. Every time you connect to a website you are using the HTTP protocol, but below that you are also using a TCP protocol. The nature of TCP is to provide error recovery; there are other services or applications that use TCP. HTTP however is a common protocol …

Understanding CBAC

Feb 22, 2011 · 4 min read · Access control list ACL CCNA Security Cisco cisco Cisco IOS firewall Internet Control Message Protocol Linux networking router security software technology Transmission Control Protocol tutorial Tutorials User Datagram Protocol ·

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Although using hardware firewalls are an excellent step forward when securing your network. They can cost money and are not cheap to set up and configure. Using CBAC is built-into the Cisco IOS router and helps filter those unwanted protocols that are in your network. When setting up routers as firewalls you have some …