Date: Mon, 20 Aug 2001 06:37:39 -0700 (PDT) From: "K. Greenwood" <k_greenwood1@yahoo.com> To: Chris Hastie <lists@oak-wood.co.uk>, freebsd-questions@freebsd.org Subject: Re: Port redirection with natd Message-ID: <20010820133739.72221.qmail@web14108.mail.yahoo.com> In-Reply-To: <Zr%2BV%2B$FUjPg7EwEX@chris.oak-wood.co.uk>
next in thread | previous in thread | raw e-mail | index | archive | help
--- Chris Hastie <lists@oak-wood.co.uk> wrote: > I'm trying to set up an internet gateway with NAT > and some port > redirection using Free BSD 4.3-CURRENT. The machine > has two nics, xl0 > faces the internet and sis0 faces my LAN. > > So far the NAT works fine, but I can't get the port > redirection going at > all. > > The kernel was compiled with: > > |options IPFIREWALL # install > ipfw firewall > |options IPFIREWALL_VERBOSE_LIMIT=5 # log > firewall packets, limit entries > |options IPDIVERT # Allow NAT > > I have this in /etc/rc.conf > > |# -- Configure NAT and Firewall --# > |firewall_enable="YES" > |firewall_type="open" #Close later when I get it > working! > |natd_enable="YES" > |natd_interface="xl0" > |natd_flags="-f /etc/natd.conf" > > > and the natd.conf referenced looks like this > > |dynamic yes > |redirect_port tcp celandine:25 25 > |redirect_port tcp celandine:119 119 > |redirect_port tcp celandine:3306 3306 > > The ports do not seem to being redirected though, > and I can see no > errors at boot up. netstat does not show any of the > ports in question in > use, but an attempt to run > > # natd -n xl0 -f /etc/natd.conf > > returns > > |natd: Unable to bind socket.: Address already in > use. > > Additionally, I can get no response from any of > those ports by > telnetting to them with another machine. > > Any ideas? You may also have to set up an alias network address (ifconfig) on your outside (natd'd) interface with a real external IP address. Then simply set a -redirect_port command according to man natd. It appears to work for me. Good luck. K. Greenwood __________________________________________________ Do You Yahoo!? Make international calls for as low as $.04/minute with Yahoo! Messenger http://phonecard.yahoo.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20010820133739.72221.qmail>