With SSH being the protocol of choice for connecting to systems and Windows not even installing a telnet client by default, its time to find a way to remotely manage routers, switches, etc. A popular choice is the free Telnet/SSH client called Putty (http://www.chiark.greenend.org.uk/~sgtatham/putty/). It runs on Windows and Unix systems but it’s really basic, especially . . . → Read More: Putty Connection Manager to the Rescue
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As I go along in my CCNA Security studies using SDM to configure routers, I encountered a problem. Using GNS3, I setup a Cisco 2691 router running IOS version 12.3(26) with the advanced security package. To get hands on experience using SDM, it was installed on the router. So far so good..
. . . → Read More: Java and Cisco SDM Compatibility Here is a interview with Kevin Wallace, the co-author of the CCNA Security Official Exam Certification Guide from Cisco Press. It’s interesting to hear him speak of his experience, how he came to teach networking and eventually write a study guide. Much can be learned from his experience. I always find it inspiring to hear from . . . → Read More: Interview with Kevin Wallace SSH is the protocol to use for remotely accessing Cisco network devices without exposing the password. Telnet as everyone knows transmits the username and password in clear text making it easy for anyone with a sniffer to gather that information and break into the network. Telnet is usually enabled by default and some routers and switches . . . → Read More: Cisco Router SSH Setup As part of my CCNA Security certification studies, I’m trying to become thoroughly familiar with Cisco Security Device Manager (SDM). I’ll admit I have never used this management interface in the real world but Cisco emphasizes it on the IINS exam. The lab that I’m using is setup using GNS3 (http://www.gns3.net/). This is the best network . . . → Read More: Setting Up Basic Router Authentication for SDM Installation |
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