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FTP Publishing, why does it not work?

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FTP Publishing, why does it not work? - 29.Jun.2001 5:08:00 PM   
Paul Tark

 

Posts: 7
Joined: 15.Jun.2001
From: Nottingha,England,UK
Status: offline
I am trying to publish an FTP Site (IIS5 FTP Product) on an internal Server (SecNAT Client). I have created a Server Publishing rule as per the book / articlers I have read. I then try and access this website using the FTP client running WinNT2KPro using the command line FTP utility. e.g.

c:\>ftp ftp.myserver.com

I then get the message

Connected ftp.myserver.com


and then it just sits there till it finally times out. :-(

Given that I'm not trying to do anything clever (change the FRP Port Number, run the FTP service on the ISA box etc) should this not work ?

Other articles seems to talk about using the Firewall Client software, but I dont see the need.

Can anyone tell me what I might be missing here, cause I dont see it either in the Manual or Toms's book and I can't belive that this should work with a standard config.

Any help would be appreciated.

Regards
Paul.


Post #: 1
RE: FTP Publishing, why does it not work? - 3.Jul.2001 7:53:00 AM   
Digitalcandy

 

Posts: 77
Joined: 7.Jun.2001
From: Orange County, CA
Status: offline
Don't feel bad. I am in the same situation as you and am still searching for an answer.

------------------
Ryan


(in reply to Paul Tark)
Post #: 2
RE: FTP Publishing, why does it not work? - 7.Jul.2001 7:17:00 AM   
tshinder

 

Posts: 50013
Joined: 10.Jan.2001
From: Texas
Status: offline
Hey Guys,

If you're doing this from a client on behind the same ISA Server as the published FTP server, it won't work. Get to a client on an external network and try to access the FTP server.

Now, if you use the Firewall client, it will probably work when you try to access it from the internal network.

HTH,
Tom

------------------
Tom Shinder
http://www.isaserver.org/shinder/

Get It Here


(in reply to Paul Tark)
Post #: 3
RE: FTP Publishing, why does it not work? - 7.Jul.2001 7:06:00 PM   
george

 

Posts: 74
Joined: 28.Feb.2001
From: Toronto
Status: offline
Tom,

I found that if I try to access an IIS 4/5 FTP server that is published by an ISA server from behind CheckPoint for example, I can't get a directory listing or it timeouts, In your book, you documented this on Chapter 8 page 530 on the Security Alert! section of the page and you suggested to use passive mode on the ftp client BUT I still can't get it to work as well, I've use CuteFTP, IE 5.5 w/ enable folder view for FTP sites and Windows 2000 ftp command and it's a no go. But if I access the same FTP server from a client that is behind another ISA server I can access it no problem.

My workaround for this issue/situation was using Serv-U FTP Server instead of IIS 4.0/5.0, published the server using a different port number (other than 21) and voila! CheckPoint users can access the FTP server that is published by an ISA server. I haven't tried using Port 21 to published Serv-U FTP but I can't see why it won't work, since I can access it using a different port number. I guess as long as you're not using IIS FTP Server then you can access the FTP server PASV mode or NOT.


Give it a try TOM, use Serve U FTP, published it using Port 21 on an ISA Server.


(in reply to Paul Tark)
Post #: 4
RE: FTP Publishing, why does it not work? - 13.Jul.2001 5:00:00 PM   
Russell Martin

 

Posts: 1
Joined: 13.Jul.2001
From: Atlanta, Ga. USA
Status: offline
Paul,
I just had a client who was experiencing the exact symptems with FTP that you listed.

:\>ftp ftp.myserver.com

I then get the message

Connected ftp.myserver.com

and then it just sits there till it finally times out.

Every ISA rule and configuration was correct, but still it would just time out and not forward to the internal ftp server.

Solution: The client had the internal ftp server's default gateway misconfigured and was not pointing back to the ISA Server. FTP was connecting to the server, but didn't know the correct way back. As always, check the basics first.

Regards,
Russ


(in reply to Paul Tark)
Post #: 5

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