Deploy ODBC Settings via Group Policy
KB ID 0000805 Problem I’ve briefly mentioned this before when I wrote about Group Policy Preferences so when I had to do this on-site this week, I jumped straight into the group policy management console, and found that because my ODBC connection was using SQL authentication (with the SQL sa account), this would NOT WORK, (it only works with Windows authentication and even then it needs a tweak). If you are using SQL...
Cisco ASA Site to Site VPN’sSite to Site ISAKMP VPN (Main Mode)
KB ID 0000213 Problem As with most things, before you have a hope of fixing something, you will stand a better chance if you know how it works in the first place. Below is a quick run though of what’s happening with your site to site VPN’s and how they work. For the entire process we will have two Cisco ASA 5500 firewalls and a site to site VPN. Solution What’s an Initiator and a Responder? 1. Our Laptop 192.168.1.50...
Troubleshooting Phase 2 Cisco Site to Site (L2L) VPN Tunnels
KB ID 0000625 Problem It’s been over two years since I wrote Troubleshooting Phase 1 Cisco Site to Site (L2L) VPN Tunnels. I’ve always meant to come back and write the ‘Phase 2’ article but never got around to it. This article is NOT intended to be a ‘fix all” for phase 2 problems, it’s designed to point you in the right direction to locate the source of the problem. Solution Here’s my...
Cisco ASA 5500 – Reset / Recycle VPN Tunnels
KB ID 0000586 Problem I’ve been asked this before and it came up on EE today, basically you have a site to site VPN tunnel and you either want to restart it or reset it. Solution Cisco ASA Reset ALL VPN Tunnels 1. Connect to your ASA, then to reset ALL your ISAKMP VPN tunnels use the following command; clear crypto isakmp sa In the example below I’ve reset ALL my tunnels. I had a constant ping running across the VPN, and...