Archive

Archive for the ‘Security’ Category

Configure SSH on Cisco Router

July 8th, 2009 No comments

This is the minimum configuration needed to support inbound SSH sessions on a router (you might want to add transport input ssh to the line configuration if you want to disable telnetaccess to the router): Read more…

Categories: CISCO, Security Tags:

Configure TACACS+ for Admin Logins

July 3rd, 2009 No comments

How to configure IOS device for authentication to TACACS server for administrative logins: Read more…

Categories: CISCO, Security Tags:

Freeware TACACS+ Server for Win32

July 3rd, 2009 No comments

Cisco’s original TACACS+ server compiled to run under Windows! This is the original 4.0.4 version of tac_plus.

NOTE: None of the TACACS code available here comes with any warranty or support:

http://www.xpresslearn.com/tools/software-tools/cisco-tacacs-server-for-windows

Configuration file assistance:

http://www.stben.net/tacacs/users_guide.html

Categories: CISCO, Security Tags:

Recovering Hidden PIX Pre-Shared Keys / Passwords

July 3rd, 2009 No comments

The latest Cisco TAC Newsletter had an interesting tip on recovering hidden pre-shared keys (which I’ve needed to do many times). So simple, it’s brilliant :) here’s the reprint: Read more…

Categories: CISCO, Security Tags: ,

Decrypting Type 7 Passwords – within the IOS!

July 2nd, 2009 No comments

Decrypting Type 7 Password on Cisco Router

You know those type 7 (non-MD5) so-called “encryption”  strings that appear when service password-encryption is used?  A lot of people copy the string and go to websites (google cisco password cracker) and use a java applet or something to decrypt them.

However, you can actually do this on any cisco router.  This is how you do it. Read more…

Categories: CISCO, Security Tags: ,