Date: Mon, 22 Sep 2008 15:48:30 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Roman Kurakin <rik@inse.ru> Cc: Max Laier <max@love2party.net>, freebsd-net@freebsd.org Subject: Re: Firewall redirect doesn't work any more... Message-ID: <20080922134830.GA6797@garage.freebsd.pl> In-Reply-To: <48D79E1C.3060003@inse.ru> References: <20080919075633.GA4333@garage.freebsd.pl> <20080919121602.GC4333@garage.freebsd.pl> <200809191538.02698.max@love2party.net> <20080922102209.GB2468@garage.freebsd.pl> <48D79E1C.3060003@inse.ru>
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--ew6BAiZeqk4r7MaW Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Sep 22, 2008 at 05:31:08PM +0400, Roman Kurakin wrote: > So, could you draw you connections and related firewall rules. And the=20 > one you > are trying to setup. I will also try to update the machine to the most=20 > recent 7 to > see if my setup will stop working. Currently machine runs early=20 > September checkout. client (10.0.1.1) -----> bridge (10.0.5.123) -----> server (10.0.0.2)=20 ifnet =3D "bridge0" rdr on $ifnet proto tcp from any to any port 12345 -> 10.0.5.123 port 12345 rdr on $ifnet proto udp from any to any port 12345 -> 10.0.5.123 port 12345 net.inet.ip.forwarding=3D1 To test my redirection I run: server# nc -u -l 12345 client# nc -u 10.0.0.2 12345 For UDP it works, for TCP it doesn't: server# nc -l 12345 client# nc 10.0.0.2 12345 Although it works even with bridge0 and TCP connections, but when bridge machine is treated as gateway, eg. server# nc -l 12345 client# route add 1.0.0.0/24 10.0.5.123 client# nc 10.0.0.2 12345 > PS. Also check the mac address issue that was discussed here (case where = the > brdige0 and the first bridge member share the same MAC). That's not the case on my test machines. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --ew6BAiZeqk4r7MaW Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFI16IuForvXbEpPzQRAmamAKC/pd1b4K1SO5uzgj0xFtgbv5mQVQCfc5Ie V3Bk3K0r3A4nY4i7othqicE= =BZtj -----END PGP SIGNATURE----- --ew6BAiZeqk4r7MaW--
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