Disable Domain Lookup on Typos

Posted on July 26, 2012 by

Don’t you hate when you type a command incorrectly and your Cisco IOS device seems to take forever to time out and give you back control? There is a way around this without fully disabling domain lockups! Continue reading →

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Routing Protocol Basics

Posted on July 20, 2012 by

I wanted to take the opportunity to post some core basics for those of you just getting started with Cisco and routing protocols.  The table below shows the protocol, the type of routing protocal and the default administrative distance of that protocol.

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Matching Processes to Listening Ports on Windows

Posted on July 16, 2012 by

Do you really know what is running in the background on your Windows PC or server? Not knowing is how security holes perpetuate themselves into serious issues. While ignorance may be blissful someone else may be poking around your networking looking for a way in. With Windows systems it’s easy to list listening sockets that could present a risk. Once you know what’s listening on your system you can then hunt down the process and validate its existence. In many cases the services are part of windows or otherwise acceptable services or applications. To start issue a “netstat” command with … Continue reading →

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Tail Cat and Grep Your Log Files

Posted on July 12, 2012 by

I recently treated myself to a long overdue syslog server for our network devices. The system is on a Linux system (I would have it no other way) and has been instrumental to troubleshooting and auditing these past few weeks. You can read this article for some log parsing tricks ranging from basic to a bit more advanced. Cat, Grep and Tail are the commands that truly set Linux based syslog servers apart from one running on windows. Don’t get me wrong, there are other decent alternatives but it’s hard to beat a typed command and an instant result. There … Continue reading →

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