Cisco ASA – Password Recovery / Reset
KB ID 0000572 Problem Note: This procedure allows you to reset the password WITHOUT LOSING THE CONFIG You need to access a Cisco ASA device and do not have the passwords, there can be lots of reasons for this, lack of good documentation, bought a second hand firewall, the last firewall admin never told anyone etc. This method does require physical access to the ASA, a console cable, and a machine running some terminal emulation...
Install and Use a TFTP Server
KB ID 0000063 Problem Note: If you are using a mac, then seee the following link; MAC OS X TFTP Software There are many free tftp applications, my personal favourite is 3Cdaemon, as it also has a built in syslog server and an FTP server. heres how to install it on your computer. There are a number of places you can download 3CDeamon or just CLICK HERE Solution 1. Download the files and extract them to your PC, then run the setup.exe...
Cisco ASA – Allow Remote Management
KB ID 0000173 Problem Quite a while ago I wrote the “Connecting to and managing Cisco firewalls” article, which is still pretty complete, but I’ve been asked on a few occasions, “How do I actually configure the firewall to allow remote administration via, SSH, or HTTPS/ASDM, or Telnet If you have no network connection to the firewall, then you will need to connect via console cable (CLICK HERE). Solution...
Domain Replication Issues – Troubleshooting
KB ID 0000301 Problem You have one or more domain controllers in your Windows domain that is not replicating to one or more replication partners. Solution Step 1 DNS First! Before you start make sure all the domain controllers are pointing the PDC emulator ONLY for their DNS settings. 1. On the PDC emulator > Start > run > dnsmgmt.msc {enter}. 2. Expand _msdcs.yourdomainname Right Click it > Properties > Set Dynamic updates to...
Unable to Access ASDM – “Unable to launch device manager from…”
KB ID 0000915 Problem A colleague of mine was trying to connect to a firewall via ASDM last week, and was greeted by an error like this. Now this is a pretty standard error, and usually means you haven’t been allowed access, or there isn’t a firewall at that address, but in this case I knew that a) he did have access, b) that was the correct IP address, and c) it worked fine on my machine, so it was setup correctly. As I...