The ranting of an IT Professional:

Security


March 8, 2011  6:30 PM

Cisco ASA: Accessing VPN networks using L2TP VPN



Posted by: Jason Tramer
ASA, inside, Ipsec, L2TP, tunnel, VPN

Troubleshooting this issue for a bit, user connects to a L2TP VPN presented by the ASA. They can connect to the inside network but not to a network connected to that ASA via IPSEC tunnel. This is actually a simple fix and enter the command:

February 28, 2011  7:10 PM

CCDA



Posted by: Jason Tramer
CCDA, Routing and Switching, Security, Voice, Wireless

Passed my CCDA exam today! Overall having done  professional level Cisco cert's, going back to associate level wasn't that hard at all. I have a very even mix of questions between Routing and Switching, Voice, Security, and Wireless, so know all of them well but it doesn't go anywhere near the...


February 14, 2011  10:35 PM

Cisco releases ASA 8.4



Posted by: Jason Tramer
8.4, ASA

Here is some of the new stuff that is in it: http://itdualism.wordpress.com/2011/02/04/asa-8-4-first-look/ I am planning on testing it myself shortly and then doing a better review. Hopefully they changed NATing back from the god awful way they do it in 8.3 to the more awesome way it is done...


January 29, 2011  4:02 AM

New Microsoft Security Bug



Posted by: Jason Tramer
bug, Microsoft, Security

http://www.theregister.co.uk/2011/01/28/windows_vuln_fixit/ I sometimes wonder what IT life would be like if Microsoft ever started releasing stable, secure code, and then I realize that my time is better spent wondering what my life would be like if I won the lottery because frankly that is...


January 26, 2011  9:12 PM

ASA rewriting DNS queries



Posted by: Jason Tramer
ASA, DNS, manipulating, NAT, queries, query, re-writing

http://www.techrepublic.com/blog/networking/cisco-asa-and-dns-pain-is-there-a-doctor-in-the-house/1140 This article was a god send for me. I was trouble shooting this issue for a while. In my case I had an internal device on a private vlan that needed to resolve the public address of another...


January 22, 2011  2:27 PM

Routing within an interface on a ASA and my triumphant return



Posted by: Jason Tramer
ASA, Cisco, intra site routing, routing, routing within a network

Well it has been a long time, but I am back! Sadly elements in my personal life have kept me focused on other matters for the last 8 months or so and I apologize for that but I am ready and eager to return. For my first issue I want to talk about is with Cisco ASA's and concerns how to set up a...


June 3, 2010  7:48 PM

ASA: unable to reserve port 443 for static PAT



Posted by: Jason Tramer
443, 5505, ASA, HTTPS, NAT, unable to reserve port 443 for static PAT

Just got this error when configuring an ASA, took me a bit to figure out what the issue was. When trying to create a static NAT rule with port 443 you get the error: unable to reserve port 443 for static PAT The issue was that under Management access, ASDM access was granted on the...


April 21, 2010  7:34 PM

Mcafee causing system crashes



Posted by: Jason Tramer
mcafee, svchost.exe

http://www.theregister.co.uk/2010/04/21/mcafee_false_positive/ Fair to  say I have never liked Mcafee, in fact I have always quite disliked it. At previous organizations I have worked for that used Mcafee I found there were always issues with a new virus came out, it never just worked smooth....


December 30, 2009  2:54 PM

Allowing management access to an ASA across a site to site VPN tunnel



Posted by: Jason Tramer
access, ASA, ASDM, CLI, interface, Management, site to site, VPN

Ok, so you want to manage your ASA from a network connected via site to site VPN tunnel. No prob. Two easy steps makes this happens. First you have to add the network as an allowed access via the inside network. (I will use the 192.168.1.0/24 network in my example) From CLI it's: http...


December 30, 2009  2:34 PM

Microsoft refutes IIS “semi-colon” bug



Posted by: Jason Tramer
IIS, Microsoft, Security, semi-colon, semicolon, undocumented feature

A few days ago I posted about a newly discovered bug in IIS 6.0, well Microsoft has refuted that this represents a security risk. Read about it here; http://www.theregister.co.uk/2009/12/30/iis_web_server_bug_rebuttal/ Hmmm who to believer? Security experts or Microsoft? Tough call...


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