Ubuntu – Managing Cisco Devices via Serial / Rollover Cable
KB ID 0000400 Problem A while back I ran though “Managing Cisco ASA devices via the ASDM with Ubuntu”, I prefer to work at command line, with a new firewall my only choice is via the console port, In a windows environment I can fire up Hyperterminal and I’m away. With Linux there a couple of things to do first. Solution Step 1 (Get the Serial / RS232 / COM Port working) As pictured above, this is being done on my...
BT Business ADSL – Configure a 2Wire Router to Allocate a Static (Public) IP Address
KB ID 0000760 Problem I know BT are now shipping the BT Business Hub, to their business ADSL clients, but there’s still a few 2Wire routers out there in the wild. Essentially if you have a range of public IP addresses, this is how to allocate one of the public IP addresses to one of your devices. In my case its a Cisco ASA firewall that I need to have a public IP. Solution Firstly I’m going to assume the router is working and...
BT Business Hub 3 – And Cisco ASA 5500
KB ID 0000762 Problem Warning: If your ASA is running version 8.3(4) or above you are going to have problems assigning public IP addresses from your allocated BT Range (jump to the bottom of the article for a resolution). You have a pool of public IP addresses and you wish to allocate one of these IP addresses to your Cisco ASA Firewall. Note: This is for customers using BOTH ADSL and BT Infinity Solution For this procedure I was...
AnyConnect Error: ‘The AnyConnect package on the secure gateway could not be located’
KB ID 0000406 Problem While attempting to connect to a Cisco firewall with a Linux client (In my case Ubuntu 10.10,) using AnyConnect you see the following error. Or on MAC OSX Error: Cisco AnyConnect VPN Client The AnyConnect package on the secure gateway could not be located. You may be experiencing network connectivity issues. Please try connecting again. Note: You may also see this error on a Mac OSX, or a Windows CE machine....
NDES – Fails to Issue Certificates (Signature Algorithm)
KB ID 0001021 Problem I was trying to enroll some ASA firewalls to NDES to get some certificates. Each time the process failed with the following error. % Error in receiving Certificate Authority certificate: status = FAIL, cert length = 0 That’s a pretty generic error, and does not give me a lot to go on. So I thought I would try from another network device, (a Cisco Catalyst switch). It’s a little easier to...