Proxy

ISA 2006 Link Translation

René Jorissen on November 19, 2009 0 Comments • Tags: #2006 #isa #link #mapping #translation

Web pages returned from a Web server published by a Microsoft® Internet Security and Acceleration (ISA) Server 2006 Web publishing rule may include links containing internal names of computers or Web sites and internal paths to Web content. Because external clients cannot resolve these internal names, these links will be broken unless the internal names … Read More

Configuration Example, Routing

Policy NAT on Cisco router

René Jorissen on January 14, 2009 9 Comments • Tags: #address #based #cisco #dynamic #nat #network #policy #policy-based #router #static #translation

A colleague of mine had to implement an IPSec VPN tunnel from a customer to a supplier. The customer has a Cisco router for connecting to the Internet, so nothing special. The router is already setup and in production. Configuring an extra IPSec VPN tunnel isn’t very hard, the most important part is the negotiation … Read More

Firewalling

Failed to establish VPN through PIX

René Jorissen on October 17, 2008 5 Comments • Tags: #1723 #305006 #47 #asa #creation #failed #firewall #for #gre #pix #pptp #protocol #regular #stateful #translation #vpn

We migrated our Internet connection lately and reconfigured our PIX firewall. We added some memory to install the latest firmware version (8.0(4)). After putting the PIX firewall in production some of the employees were complaining they couldn’t establish any PPTP VPN Tunnels anymore to customers. Every time when some one called me, I tried it … Read More