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Secure FTP Problems

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Secure FTP Problems - 22.Apr.2005 6:57:00 AM   
gower.mike@shaw.ca

 

Posts: 24
Joined: 30.Mar.2005
From: Vancouver, BC, Canada
Status: offline
Hi guys -

I'm at a clients' site working on an Secure FTP connection problem using ISA 2004 std. Service pack 1 has NOT been installed (due to hearing some things about losing functionality in administrating the firewall client).

Anyway, we're trying to complete the last of the Proxy 2 migration with this secure FTP access being one of the last things to complete.

Problem: The outbound secure FTP connection fail to be completely setup. ISA is configured with 2 nics, Internal/External - The remote FTP site is accessed via the External int.

If we use the proxy client and the old Proxy 2 server - it works fine. When we use the ISA firewall client and point it to ISA - it fails to fully connect. I've looked at some of the papers on line and they haven't helped as of yet.

Here's the strange part - if I disable the ISA FTP filter the connection goes through fine.
So - what is the filter doing? Can it be safely disabled and if so, what is the client losing? or am I missing something?

Any pointers would be appreciated.
Post #: 1
RE: Secure FTP Problems - 25.Apr.2005 6:56:00 PM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hi M,

Check out Stefaan Pouseele's article on how FTP challanges firewall security for an answer an explanation.

HTH,
Tom

(in reply to gower.mike@shaw.ca)
Post #: 2

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