Re: ipfw and mail
From: Ondra Holecek (bln_at_bln.no-ip.org)
Date: 06/25/04
- Previous message: Gustavo A. Baratto: "ipfw and mail"
- In reply to: Gustavo A. Baratto: "ipfw and mail"
- Next in thread: Gustavo A. Baratto: "Re: ipfw and mail"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
To: freebsd-isp@freebsd.org Date: Fri, 25 Jun 2004 20:10:30 +0200
On Friday 25 June 2004 20:00, Gustavo A. Baratto wrote:
> Hello guys,
>
> some of our users' ISPs don't allow them to use port 25, so they cannot use
> out mail server.
>
> I want to open a new port (2525) and forward all packets from 2525 to 25
> so, they can use mail.
>
> I tried this in IPFW:
> 0100 119649 44772439 allow tcp from any to me dst-port 25 keep-state
> 0200 0 0 divert 25 ip from any to me dst-port 2525 keep-state
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
this line does something other
try to use this:
ipfw delete 200
ipfw add 200 fwd localhost:25 tcp from any to me 2525 keep-state
> 0300 103075 35531648 allow ip from me to any keep-state
> 0400 60 4530 deny log ip from any to any
>
>
> If I telnet directly to port 25, I can get the prompt, but if I telnet to
> port 2525, I get a connection refused.
>
> What should I do in ipfw to forward port 2525 to port 25 tranparently?
>
> Thanks
> _______________________________________________
> freebsd-isp@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-isp
> To unsubscribe, send any mail to "freebsd-isp-unsubscribe@freebsd.org"
_______________________________________________
freebsd-isp@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-isp
To unsubscribe, send any mail to "freebsd-isp-unsubscribe@freebsd.org"
- Previous message: Gustavo A. Baratto: "ipfw and mail"
- In reply to: Gustavo A. Baratto: "ipfw and mail"
- Next in thread: Gustavo A. Baratto: "Re: ipfw and mail"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Relevant Pages
|
|
