Cisco ASA Domain Authentication and Trust (Allowing)
ASA Domain Authentication KB ID 0000973 Problem I cringed this morning when I was asked about this, last time I had to get a client to authenticate to a domain through a firewall, it was ‘entertaining’. The problem is Windows loves to use RPC, which likes to use random ports, so to make it work you either had to open TCP ports 49152 and 65535 (Yes I’m Serious). Or you had to registry hack all your domain controllers...
Cisco Router – CBAC and Zone Based Firewall Setup
KB ID 0000937 Problem IOS 11.2 gave us CBAC, and IOS 12.4(6)T gave us the Zone Based Firewall. You can still use either, (providing you are running the correct IOS, or in the case of version 15 and upwards, added the correct license, ‘securityK9’). For older IOS versions usually you want the advipservices version of the IOS). Solution Run the following command to see if you have the correct license installed....
Cisco ASA 5500 – Throttling (Rate Limiting) Traffic
KB ID 0001001 Problem If you have one client that’s taking all your bandwidth, or a server that’s getting a lot of connections from external IP addresses, and that’s causing you performance problems, you can ‘throttle’ traffic from/to that client by ‘policing’ its traffic. Solution To demonstrate, I have a 30Mb connection at home, when I run a test on the download connection speed from my...