Thanks for the help. That sorted it for me
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what port should be open for proxy authentication
A customer of mine is using some software to submit a file to the inland revenue. They say it has all been working until about 2 months ago.
Now when they try to sumbit the files they get the following error.
"the remote server returned an error 407 proxy authentication required."
They are running ISA 2004 SP3 on a SBS2003 Server.
I have opened up the firewall to allow the PC in question to have unrestricted access to the internet and the submissions work OK. However this is only for testing and I would like to configure the firewall properly by only openeing up the required ports etc.
Any suggestions as to what to do?
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by: keith_alabasterPosted on 2009-09-28 at 04:31:33ID: 25438280
Open the ISA GUI -select monitoring - logging - start query
Record what you see in the log. Do the same again with the ISA policy back the way it was. What is the difference?