Date: Fri, 10 Mar 2000 09:44:56 -0500 From: James Housley <jim@thehousleys.net> To: Matthew Hagerty <matthew@venux.net> Cc: isp@FreeBSD.ORG Subject: Re: POP3 proxy possible? Message-ID: <38C90A68.395BCAE@thehousleys.net> References: <4.2.2.20000307101901.00a20200@mail.venux.net>
next in thread | previous in thread | raw e-mail | index | archive | help
Matthew Hagerty wrote:
>
> Greetings,
>
> I was wondering if there is a way to proxy a port, specifically pop3(110),
> to another computer. Something like:
>
> "If a connection comes in on my port 110, forward to ip:port"
>
> What I have is a firewall setup like this:
>
> Internet
> |
> |
> +--------+ +---------+
> | router | | Bastion |
> +--------+ +---------+
> | Perimeter Network |
> +--------------------------------------+
> Real IP assignment |
> |
> +-----------+
> | Firewall |
> | NATd IPFW |
> +-----------+
> |
> +----------------------------------+
> | Fake IP assignment 10.0.0.0/24
> +------+
> | pop3 |
> +------+
>
This is a snipit from the nat.cf of the FreeBSD firewall at a local
school. I believe this is exactly what you want.
#
# Inbound SMTP
redirect_port tcp 192.168.0.193:25 25
#
# Inbound WWW
redirect_port tcp 192.168.0.193:80 80
redirect_port tcp 192.168.0.193:2000 2000
redirect_port tcp 192.168.0.193:2001 2001
#
# Inbound POP3
redirect_port tcp 192.168.0.193:110 110
Jim
--
The wise man built his network upon U*nx.
The foolish man built his network upon Windows.
To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-isp" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?38C90A68.395BCAE>