Event ID 53 – ‘The public key does not meet the minimum size required by the specified certificate template’
KB ID 0000967 Problem I’ve been doing a lot of PKI work over the last few days, testing device enrollment and NDES etc, and came across this problem being logged on my issuing/subordinate CA server; Log Name: Application Source: Microsoft-Windows-CertificationAuthority Event ID: 53 Task Category: None Level: Warning Keywords: User: SYSTEM Description: Active Directory Certificate Services denied request 35 because The public...
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....