Proxy, Security

ISA 2006 Authentication over HTTP

RenĂ© Jorissen on July 8, 2008 0 Comments • Tags: #12250 #2003 #2007 #403 #authenticate #block #code #error #exchange #forwarding #http #over #owa #proxy #requests #require #reverse

I implemented different ISA 2006 Reverse Proxy servers in conjunction with Microsoft Exchange 2003 or Windows Exchange 2007. Today I configured ISA 2006 with Exchange 2007. I configured the Reverse Proxy server as I did always. And the connection from outside the network works perfectly. On the internal Exchange server I configured Basic and Integrated … Read More

Configuration Example, Firewalling

PIX Failover not working

RenĂ© Jorissen on June 18, 2008 0 Comments • Tags: #error #failover #normal #not #pix #waiting #working

Today I received the question why a PIX failover configuration wasn’t working. The customer accidentally disconnected the power cable from the primary PIX firewall. The secondary PIX firewall became the active one, but multiple DMZ segments weren’t working anymore. After rebooting the PIX firewall and making that the primary one again, the DMZ segments were … Read More