Re: [hylafax-users] Hylafax + firewall

["Sjoerd Venema" <sjoerd@open-doors.nl>]

Hi,

It seems to work now. Someone gave a workstation a conflicting ip-address.
Thanks anyway...

Sjoerd
----- Original Message -----
From: "Jay R. Ashworth" <jra@baylink.com>
To: <hylafax-users@hylafax.org>
Sent: Thursday, April 05, 2001 6:37 PM
Subject: Re: [hylafax-users] Hylafax + firewall


> On Thu, Apr 05, 2001 at 03:48:27PM +0200, dejou@sch.bme.hu wrote:
> > On Thu, 5 Apr 2001, Sjoerd Venema wrote:
> > > Now my faxserver is up and running, I would like to use it from my
> > > home. I redirected tcp 4559 to my faxserver, which uses a private
> > > ipadress. I'm not able however to connect to the server. My client
> > > gives the error wrong username and password. Does anyone know what the
> > > problem is?? By the way, I granted permissions to my public ipadress
> > > from my cableconnection at home in hosts.faxd
> >
> > If port 4559 is forwarded directly, then it should work.
>
> Unless, as someone pointed out, the client is behind a NAT box
> firewall, which obscures it's address.  I don't recall if the HylaFAX
> server uses *all* of the FTP protocol it's based on -- specifically,
> whether the server normall calls *back* out to the client for the data
> connection, unless you specifically *tell* it to be PASV... but if it
> does, then you'll need to use PASV mode, if your client permits, or put
> (on the client side firewall) a passthrough rewrite module, like the
> FTP rewrite module that Linux NAT firewalls can use.
>
> Cheers,
> -- jra
> --
> Jay R. Ashworth
jra@baylink.com
> Member of the Technical Staff     Baylink
> The Suncoast Freenet         The Things I Think
> Tampa Bay, Florida        http://baylink.pitas.com             +1 727 804
5015
>
>
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