Great Circle Associates Firewalls
(October 1996)
 

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Subject: RE: Using a Socks client to access a Socks Firewall with custom code
From: Gene Lee <genel @ inforamp . net>
Date: Sat, 12 Oct 1996 00:04:04 -0400
To: "firewalls @ GreatCircle . COM" <firewalls @ GreatCircle . COM>, "'bshive1 @ novusnet . com'" <bshive1 @ novusnet . com>

On Friday, October 11, 1996 9:06 AM, Brad 
Shively[SMTP:bshive1 @
 novusnet .
 com] wrote:
>Hello,
>    Has anyone tried to use the socks client package provided by NEC
>to "socksify" a client application?  I have written a simple FTP program
>using Microsoft's Foundation C++ Classes.  The program works fine
>on our internal network but I can't seem to get through the firewall.
>I ran the Socks program against it and the log from that program states
>it has succesfully connected to our firewall.  THe problem is that it
>hangs after that and I can't FTP to anything.  Has someone tried this
>before that might be able to help?

You might have to check the SOCKS and IP Filtering rules database on the 
firewall to make sure you have configured it to pass ftp connections 
through it properly. For example, depending on the SOCKS server 
configuration, you might have to configure your ftp client to pass data 
through a passive connection (PASV) where the client establishes the data 
connection instead of the server doing so.

--
Gene Lee
genel @
 inforamp .
 net
genelee @
 vnet .
 ibm .
 com


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