Cisco PIX – “What are the files in flash”
KB ID 0000757 Problem With modern Cisco ASA firewalls a show flash (or show disk0) command will give you a descriptive list of what is stored in NVRAM. With an older version 6 firewall the result is a little more confusing. Solution If you connect to the PIX and view the contents of the flash, you will see something like this; Sent username “pix” Type help or ‘?’ for a list of available commands. Petes-PIX>...
VPN Problem Cisco PIX v6 to Cisco ASA 5500
KB ID 0000761 Problem I found this out purely by accident today, while replacing an old PIX 506E that had died with an ASA 5505. The client’s other site still had a PIX 506E (Running 6.3(5)). I was setting up the VPN, and noticed something that WOULD have been a problem if I had not spotted it. Solution Essentially the older PIX firewalls are set for 3DES encryption, MD5 Hashing and Diffie Hellman 2. After version 8.4 the ASA...
Upgrading a PIX 506E to Version 7
KB ID 0000764 Problem As far as Cisco is concerned you can’t upgrade a PIX 506E past version 6.3(5) PIX 506E and 501 Firewall Image and PDM Upgrade However if you have a spare one lying around and you want to have a play, you CAN get it to version 7.1(2). Note: It is possible to run the 8.0(2) version of the PIX OS on a 506E, Howerver you need to decompress the image and make some changes to it before it will work (usung...
Manage your Cisco Firewall from your Windows Mobile Device
KB ID 0000158 Problem You have a new windows mobile device and your bored! – well not really, I hope I never have to do this in anger but, It was an exercise in proving it can be done 🙂 Solution Before you start you need to ensure the following has been done, 1. The firewall in question needs an RSA Key generating on it, (on the firewall issue the following command “crypto key generate rsa” {without the quotes}. 2....
Cisco ASA Site to Site VPN’sSite to Site ISAKMP VPN (Main Mode)
KB ID 0000213 Problem As with most things, before you have a hope of fixing something, you will stand a better chance if you know how it works in the first place. Below is a quick run though of what’s happening with your site to site VPN’s and how they work. For the entire process we will have two Cisco ASA 5500 firewalls and a site to site VPN. Solution What’s an Initiator and a Responder? 1. Our Laptop 192.168.1.50...