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 Windows TFTP Server
Windows TFTP 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 Deploy a windows TFTP Server Download the files and extract them to...
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...
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...
VMware vSphere Hot Add and Hot Plug
KB ID 0000527 Problem I was trying to hot add some memory to a VM the other day, and found the option grayed out. Normally I’d just down the VM, add the memory, then bring it back up. But it was a production server and I was pretty sure the OS supported it. A quick Google search told me why it was grayed out, but it also transpired there was little to no information on what version of Windows hot add and hot plug would work...