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500 Illegal PORT command

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500 Illegal PORT command - 12.Jul.2005 5:18:00 AM   
adnan&ISA

 

Posts: 53
Joined: 8.Jan.2004
Status: offline
Good day everybody,

ISA 2004 on Windows 2003 server. From a firewall client pc I am trying to download something getting these errors.

ISA Server: extended error message :
200 Switching to Binary mode.
500 Illegal PORT command.

Everything was fine just 1 week before; but today no ftp download from any site.

Searched so much on Internet as well as on isaserver.org; no solution got until now.

Thx.
Post #: 1
RE: 500 Illegal PORT command - 12.Jul.2005 8:00:00 AM   
adnan&ISA

 

Posts: 53
Joined: 8.Jan.2004
Status: offline
Gentlemen,

Ok, it is solved. This problem is coming only on the client pcs who AT THE SAME TIME are acting as a firewall client and as a web proxy client. Just remove the web proxy settings from your web browser; and you will be able to download from ftp sites.

It seems better read the article; how web proxy clients and firewall clients handle the ftp requests.

But still wondering; with the same settings last week it was working fine and today got mad.

Anyway. its ok now.

(in reply to adnan&ISA)
Post #: 2

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