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Originally posted by dmc3106:
Hi TS-

"Who is managing your public DNS?" - TZO.com

Also, when I do the nslookup on the ISA firewall:

"nslookup www.mydomain.net
Address: "internal IP address of the webserver(10.0.1.10)"

What should we expect to see with the above?

It will be a great day when I get home! Thank you! - DMC

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quote:

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Originally posted by dmc3106:
Hi TS-

After further troubleshooting web connectivity between the ISA server and the Webserver, I have these findings:

*WITHOUT specifying itself as the proxy in IE, the ISA server gets the same "403 Forbidden" error when trying to resolve the website either through IP or URL. While running a query(log)from ISAserver, a single attempt to access the website creates three entries as follows:

1-Log Time(7/13/2004 9:53:46PM), Destination Host IP(10.0.1.10), Destination Port(80), Protocol(HTTP), Action(Established conection), Rule(Default Rule), Client IP(10.0.1.9), Client Username(nothing listed here), Source Network(Localhost), Destination Network(Internal), HTTP Method(nothing listed here), URL(nothing listed here)

2-Log Time(7/13/2004 9:53:46PM), Destination Host IP(0.0.0.0), Destination Port(80), Protocol(http), Action(nothing listed here), Rule(Default Rule), Client IP(10.0.1.9), Client Username(anonymous), Source Network(Localhost), Destination Network(Internal), HTTP Method(GET), URL(http://10.0.1.10/)

3-Log Time(7/13/2004 9:53:46PM), Destination Host IP(10.0.1.10), Destination Port(80), Protocol(HTTP), Action(Closed Connection), Rule(Default Rule), Client IP(10.0.1.9), Client Username(nothing listed here), Source Network(Localhost), Destination Network(Internal), HTTP Method(nothing listed here), URL(nothing listed here)

Basically, for the first and third entry, it appears to be ESTABLISHING the connection and then CLOSING the connection. In between (2nd entry), I'm not exactly sure what is happening here. It seems to always resolve 0.0.0.0 as the destination IP.

*WITH specifying itself as the proxy in IE, the ISA server gets the "HTTP 502 Proxy Error" error when trying to resolve the website either through IP or URL. Log consistently reads:

1-Log Time(7/13/2004 10:18:01PM), Destination Host IP(0.0.0.0), Destination Port(80), Protocol(http), Action(nothing listed here), Rule(Default Rule), Client IP(10.0.1.9), Client Username(anonymous), Source Network(Localhost), Destination Network(Internal), HTTP Method(GET), URL(http://www.mydomain.net/default.htm)
...there are several entries in the logs - one for each component (image) of the website it cannot load (5 entries total)

I hope this info is helpful in getting closer to the solution. (sorry for the lengthy post, just want to provide all the info )

Please let me know how to proceed if you have a sense of direction here. Thank you! - DMC

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