ISA Server 2004 server

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Microsoft Windows
Hello everyone, I have an ISA question that I am hoping someone may help me with. I have an ISA 2004 server and Cisco Pix 515 firewall. On the firewall I have a VPN tunnel that directs all traffic going to 172.30.x.x down the tunnel. Is there anything that I need to configure on the ISA server to make sure that this is happening, because at this time I can ping but can not get at any resources. If anyone can help please let me know.

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How’s your network laid out, where are the two devices in relation to each other and any other routing/forwarding devices? Your clients should be sending their data to the router directly for access to resources on the 172.30 network as their gateway, not the ISA Server, assuming you mean non internet-based resources like user data, Windows services etc. Have you restricted access to specific IPs/hosts for the VPN tunnel on the firewall? Can you ping each end of the tunnel from a client? If you perform a tracert on this ping, what route is it following?

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  • TimWal
    The network layout is very simple, all traffic is flowing through the proxy server for Web traffic. But the default gateway for people is the Pix itself not the firewall, this was working prior to my ISA install and now it seems not to be working.
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  • Howard2nd
    CISCO Pix is a firewall. ISA 2004 is a firewall. Everthing was working UNTIL you installed the ISA server. Go into the setup for the ISA server and turn OFF the firewall (No blocks, permit everything, Does this restore operations? If so, thne add rules to the ISA server one at a time. Firewalls are really bad about making egotistical choices. They almost always block each other. Why if you already have the CISCO setup did you want ISA 2004? If you are using some proprietary software that works with ISA 2004 then diable the CISCO firewall and use the ISA setup. Good luck.
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  • TimWal
    We did not really want the firewall component of ISA 2004 just the proxy function, really all I want to do is turn off the firewall component and go back to the Cisco as our firewall. But not sure if I can do this.
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