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Re: [hylafax-users] remote clients cannot send fax



On Wed, Jul 18, 2001 at 12:39:36PM +0800, alex@iwebpacific.com wrote:
> > I'm not saying that this is the issue at hand, but RedHat 7.1 comes
> > default with firewalling enabled, and you must specify in the
> > configuration which ports to allow through.  You must specify port 4559
> > for hfaxd.
> 
> Thanks for your reply. Actually, I didn't enable my firewall at all.
> I can telnet to the port 4559 of the server:
> 
> $ telnet xxx.xxx.com 4559
> Trying xxx.xxx.xxx.xxx...
> Connected to xxx.xxx.com.
> Escape character is '^]'.
> 220 xxx.xxx.com server (HylaFAX (tm) Version 4.1) ready.
> use 123
> 500 USE: Command not recognized.
> user 123
> 230 User 123 logged in.
> list
> 425 Cannot build data connection: Connection refused.
> 
> hmm...... any hints on testing through a telnet session?

Lee is almost certainly correct; HylaFAX apes FTP, and FTP, remember,
connects *back* to the workstation.  Make sure your filrewalling drops
turds in the log file, and you should be able to see where you need to
punch a hole.

And note that the implication of "on by default" is that it doesn't
*matter* if *you* enabled the firewall, *RedHat* did it for you.

Cheers,
-- jra
-- 
Jay R. Ashworth                                                jra@baylink.com
Member of the Technical Staff     Baylink                             RFC 2100
The Suncoast Freenet         The Things I Think
Tampa Bay, Florida        http://baylink.pitas.com             +1 727 804 5015

   OS X: Because making Unix user-friendly was easier than debugging Windows
     -- Simon Slavin in a.f.c


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