Tag: reverse

Routing, Switching

Cisco ASA & ESX: strange ARP behavior

René Jorissen on January 12, 2009 • 10 Comments • Tags: #arp #behavior #esx #icmp #interface #nat #noproxyarp #path #proxy #reverse #reverse-path #spoofing #strange #sysopt #verify #vmware

Last week I had a very strange problem with a Cisco ASA firewall. The firewall is configured with multiple interfaces, including a DMZ interface. There are multiple servers in the DMZ. These servers are physical and virtual servers. The virtual servers are VMware servers in a blade environment. I configured the feature ip verify reverse-path … Read More

Configuration Example, Proxy, Security

Change password through LDAPS on ISA server

René Jorissen on August 6, 2008 • 0 Comments • Tags: #2006 #authority #ca #fqdn #isa #key #ldaps #private #proxy #reverse #set #user

Today I received the question about allowing users to changes his/her password through webmail, whereby webmail is published via an ISA server 2006 reverse proxy. This is possible, but it requires the configuration of LDAPS to authenticate users. I started by configuring a Certificate Authority (CA) on a member server in the domain. During the … Read More

Proxy

Automatic Log In Reverse Proxy with FBA

René Jorissen on July 10, 2008 • 2 Comments • Tags: #2006 #authenticate #automatic #based #fba #form #in #isa #log #owa #post #proxy #reverse #statement

Recently I configured another ISA 2006 server as reverse proxy to publish the Exchange 2007 OWA environment on a secure way to the internet. The customer where I configured the reverse proxy is migrating from Novell GroupWise to Microsoft Exchange. During the migration period, the customer has specific requirements when connecting to the webmail environment … Read More

Proxy, Security

ISA 2006 Authentication over HTTP

René 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

Mail relaying, Other stuff..., Proxy

PDA Active Sync – Invalid Certificate

René Jorissen on June 12, 2008 • 2 Comments • Tags: #active #certificate #disable #invalid #is #isa #on #pc #pda #pocket #proxy #reverse #server #ssl #sync #the

The usage of Pocket PCs (PDAs) becomes more and more a default feature for business. The last months I have installed quit some Windows ISA 2006 servers for Reverse Proxy purposes. I have installed them normally for webmail only, but lately I have added the Microsoft Active Sync feature. The Pocket PCs connect to the … Read More