Firewall client channel setup-Just before the Data channel setup

 Firewall client channel setup-Just before the Data channel setup This is in response to a query posted by one of the readers on My blog post http://blogs.technet.com/b/sooraj-sec/archive/2010/07/28/firewall-client-and-isa-server-how-a-data-channel-is-negotiated-over-firewall-client-control-channel.aspx After the initial TCP handshake on the port1745 by the Firewall client. Firewall client sends the Channel setup request as below, please notice the OpCode that says that…

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