Cisco Routers – Port Forwarding
KB ID 0000533 Problem If you have a server or host that you want to be publicly addressable and only have one public IP address then port forwarding is what you require. Solution Assumptions 1. You have a public IP on the outside of your Router. 2. You are performing NAT from your internal range of IP address to your External IP address. To Make Sure 1. Run the following command: PetesRouter#show run | include ip nat inside You...
Cisco ASA5500 Update System and ASDM (From CLI)
Do the same from the ASDM KB ID 0000074 Problem Below is a walkthrough for upgrading the OS image and ASDM using CLI, you will need a TFTP server up and running with the files sat in the TFTP servers upload directory. NOTE for updated ASA and ASDM software you need a valid Cisco CCO Login and support contract. For information on Installing and using a TFTP Server CLICK HERE Warning: Before upgrading/updating the ASA to version 8.3 (or...
Cisco ASA5500 Update System and ASDM (From ASDM)
Do the same from command line KB ID 0000073 Problem Below is a walkthrough for upgrading the OS image and ASDM using the ASDM, this method does not require access to a TFTP server. Warning: Before upgrading/updating the ASA to version 8.3 (or Higher) Check to see if you have the correct amount of RAM in the firewall (“show version” command will tell you). This is VERY IMPORTANT if your ASA was shipped before February 2010....
Manage Cisco ASA5500 From Outside
KB ID 0000068 Problem Note: This is an old article, you might want to go here If you have to look after a lot of client firewall’s, or you simply want to be able to manage your own remotely then this can be done via the ASDM console. Solution 1 Log into the firewall > Go to enable mode. Ciscoasa Password: ******* 2 Go to configure terminal mode. ciscoasa# conf t 3. Turn on the ASDM Server. ciscoasa(config)# http server enable...
Cisco ASDM – Accessing with Ubuntu
KB ID 0000396 Dtd 11/02/11 Problem Even though I prefer to use command line, there are times I need to manage Cisco firewalls from the ASDM. To do this from my Netbook running Ubuntu 10.10 it was not as straight forward as I was used to. Solution In my scenario I’m using Ubuntu 10.10 Desktop Edition, Chrome as my browser, and the ASDM is running version 6.3(1). 1. Before we start I’m assuming you know what the ASDM is and...