PIX 506E and 501 Firewall Image and PDM Upgrade
KB ID 0000065 Problem Note: PIX 515E and above, can still be upgraded to version 8.0(4) click here for details Some people will wonder why I’m bothering to write this up, but the truth is, there are LOADS of older PIX firewalls out there in the wild, and all the PIX 501’s and 506E’s that are being retired from corporate use are being bought on ebay, or being put on IT departments test benches. This page deals with...
Cisco ASA to Juniper SRX Site to Site VPN
KB ID 0000710 Problem You want to establish a site to site VPN from a site with a Cisco ASA firewall, to another site running a Juniper SRX firewall. I had to do this this week, and struggled to find any good information to help. In the example below I’m configuring the whole thing from a laptop (172.16.254.206) that’s on the Juniper’s site. Use the diagram below, and substitute your own IP addresses and subnet...
Chrome/Firefox – Open Multiple Tabs from Command/Batch File
KB ID 0000713 Problem I know all modern browsers can open multiple ‘Home Pages’ at startup, but that’s not what I wanted. There are a few tech sites that I visit once a day, and they are all in my bookmarks. I tediously click each one to visit these sites. So I thought ‘There must be a way of opening all these sites, at once, from a batch file or a single command?” I use Chrome as my browser of...
CentOS BIND DNS Not Responding To DNS Queries
KB ID 0000906 Problem While moving my DNS records from my old hosting company, I finally got round to pointing my domain name server records at my own server. I then saw my web traffic nose dive! Some troubleshooting steps later I realised I could not connect to my server on TCP port 53 (use an online port scanner to test yours). Solution Allow Access to DNS BIND From Remote Clients 1. Firstly let’s make sure that the firewall...