Tariq Jaber.. » ISA Server http://tariqjaber.com/blog Specialized systems engineer Thu, 20 May 2010 08:21:07 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 Error accessing HTTPS websites behind ISA Server 2006 http://tariqjaber.com/blog/2008/10/05/error-accessing-https-websites-behind-isa-server-2006/ http://tariqjaber.com/blog/2008/10/05/error-accessing-https-websites-behind-isa-server-2006/#comments Sun, 05 Oct 2008 18:56:55 +0000 Tariq Jaber http://tariqjaber.com/blog/?p=18 Some Secure Nat clients behind ISA server 2006 may face a problem browsing HTTPS websites and other websites that require login like http://mail.yahoo.com and http://hotmail.com. Monitoring a client facing this issue results in one or both of the following logs:
0×80074E24  FWX_E_CONNECTION_KILLED
0×0040017    FWX_E_TCP_NOT_SYN_Packet_Dropped

Such a problem can be solved by disabling “Web Proxy Filter” on the HTTPS traffic.
To do so:
Firewall Policy –> Toolbox >[Protocols] > right click the HTTPS protocol. In the Parameters tab, uncheck the Web Proxy Filter, since the HTTPS traffic is not cache.

For more information, refer to the KB article: http://support.microsoft.com/kb/944006

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