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Using FileZilla behind ISA

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by anqara05

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I'm trying to use Filezilla CLient 3.2.1 to make an FTPES connection to an ftp site.
I have ISA 2000 as my firewall, when i use FTPES, the connection times out when initializing TLS, here is a copy of the log:

===============================================
Status: Resolving address of ftp.******.net
Status: Connecting to *.*.*.*:21...
Status: Connection established, waiting for welcome message...
Response: 220 Microsoft FTP Service
Command: AUTH TLS
Response: 234 AUTH command ok. Expecting TLS Negotiation.
Status: Initializing TLS...
Error: Connection timed out
Error: Could not connect to server
=============================================

when i looked at the packets captured, the last response from the ftp site to my client is : "451 the parameter is incorrect"

do i have to open outbound ports other than port 21?
any help is much appreciated.

thanks.

5 replies

by wizard-09

http://wiki.filezilla-project.org/Network_Configuration

Keep us informed as to your progress if you require further assistance.

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by anqara05

I tried making an Active connection instead of a passive one, but it requires a lot of ports opened, on ISA when i set up a Packet filter i can't add range of ports to allow.

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