Modern Protocol Problems with an Old Firewall
Legacy systems are part of any mature technical environment. While I was a combination of both impressed and shocked when recently presented with a SunOS 5.7 box (OS dated 1998!) I had to assist...
Tagged: firewall
NATing (well, PATing) Specific Address Ranges on a Fortigate
It’s a simple little thing I struggled to find any real documentation on but can entirely be done on Fortigate firewalls. The challenge was simple – take a network of made of globally routable...
SIP-ing Through the Firewall
Here’s an odd puzzle for you. Fire up a SIP soft-phone and connect it to an external provider. Dial a number and you can make a call successfully. Doesn’t sound particularly unusual. Now fire...