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Date:      Sun, 23 Dec 2001 22:59:26 +0100 (MET)
From:      johann@broadpark.no
To:        Mark Woodson <mwoodson@bacxs.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: your mail
Message-ID:  <1009144766.3c2653beb171f@mail.broadpark.no>
In-Reply-To: <5.1.0.14.0.20011223150855.026bc6d8@127.0.0.1>
References:  <20011223080849.C227@twincat.vladsempire.net> <1009114372.3c25dd041de76@mail.broadpark.no> <20011223080849.C227@twincat.vladsempire.net> <5.1.0.14.0.20011223150855.026bc6d8@127.0.0.1>

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What are _all_ the TCP ports over 1023? As told in the very first e-mail
addressing this problem; I tried redirecting the entire IANA-registered ephemeral port range (49152-65535) without much luck.

Every time I get a DCC request it opens on e.g. port 4348, making absolutely no sense.

Any idea?

Quoting Mark Woodson <mwoodson@bacxs.com>:

> At 03:19 PM 12/23/2001 +0100, you wrote:
> >Well, my problems are getting passive mode on my FTPD (virtual server,
> port 2001, whereas passive mode on my main server, port 21, seems to
> work) and DCC in my IRC client to work. For instance, when I wanted SSH
> and my system accounts FTPD to work, I had to add an NAT entry for port
> 22 and port 21 in a telnet session between my machine and my ADSL
> router;
> >
> >set nat entry add 10.0.0.2 20-22 0.0.0.0 20-22 tcp
> >
> >This also has to be done for daemons like identd, BIND etc.
> >However, when it comes to redirecting the ports for passive and DCC,
> I'm stuck. I'm not the one running NATD, it's my ISP. I have one static
> IP, and that's it.
> 
> Well...
> 
> Both passive ftp and dcc use random high ports on both ends.  Passive
> ftp works great from the client side through a firewall but is a rather
> large pain on the server end behind a nat/firewall.  Basically you have
> to redirect _all_ tcp ports over 1023 to your machine.  Active ftp is
> easier because it uses port 20 (ftp-data).
> 
> -Mark
> 
> 
> 


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