Cisco Firewall Port Forwarding
KB ID 0000077 Problem Note: This is for Cisco ASA 5500, 5500-x, and Cisco Firepower devices running ASA Code. Note2: If your firewall is running a version older than 8.3 you will need to scroll down the page. Port forwarding on Cisco firewalls can be a little difficult to get your head around, to better understand what is going on remember in the “World of Cisco” you need to remember two things….. 1. NAT Means...
Microsoft Azure To Cisco ASA Site to Site VPN
KB ID 000116 Problem The one reason I prefer Cisco over Microsoft is they rarely change things, you learn how to do something and it’s learned. This is the second time have had to write this article purely because the Azure UI has changed! Virtual Network Gateway Options With VPN’s into Azure you connect to a Virtual Network Gateway, of which there are TWO types Policy Based, and Route Based. This article will deal with...
Factory Reset a Cisco Firewall
KB ID 0000007 Problem You want to wipe the firewall’s config and revert to the factory settings (passwords blank – management or inside set to 192.168.1.1 and DHCP enabled, with all other settings wiped). Solution 1. Connect to the ASA via the console Cable. CLICK HERE 2. log in and go to configure terminal mode. 3. Execute the following command “config factory-default” 4. Press the space bar a few times to execute the...
Cannot Access / Open ASDM
KB ID 0000458 Problem Out of the box Cisco PIX/ASA devices should have a working ASDM. This config can get broken over time, and also there are a few things that can trip you up on your client machine. Solution Make sure the client machine you are using is not the problem 1. The ASDM runs using Java make sure the machine has Java installed. Note: If you are using Java version 7 Update 51 see the following article. Unable to Access...
Cisco Firewalls and PING
KB ID 0000351 Problem With regards to Ping, out of the box a Cisco firewall will allow you to ping the interface you are connected to, so in a normal setup inside clients can ping the inside interface, and the firewalls outside interface can be pinged from outside. OK – to understand pinging through a Cisco Firewall you need to understand that Ping is part of the ICMP protocol suite, and unlike other protocols is not “connection...