From mboxrd@z Thu Jan 1 00:00:00 1970 From: Harald Welte Subject: Re: ipq_set_verdict problem in bridge+iptables Date: Mon, 14 Jul 2003 10:07:28 +0200 Sender: netfilter-devel-admin@lists.netfilter.org Message-ID: <20030714080728.GF6538@naboo> References: <20030712222620.28732.48265.Mailman@kashyyyk> <001901c348ec$6dbbc5d0$e84ce9db@win2ken> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="eDB11BtaWSyaBkpc" Cc: netfilter-devel@lists.netfilter.org Return-path: To: Yong Li Content-Disposition: inline In-Reply-To: <001901c348ec$6dbbc5d0$e84ce9db@win2ken> Errors-To: netfilter-devel-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: List-Id: netfilter-devel.vger.kernel.org --eDB11BtaWSyaBkpc Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Jul 13, 2003 at 11:11:16AM +0800, Yong Li wrote: > Hello All, >=20 > I encountered a problem with the ipq_set_verdict function. I want to modi= fy > the packet content and size using the ipq_set_verdict function. However, I > found I cannot change the IP packet size more than 400+ bytes. Is it a kn= own > issue? what do you mean by 'I cannot' ? What happens? Is an error returned to the ipq_set_verdict() call? Is the packet silently discarded? Is the packet truncated? Anyway, it should work. But if you exceed the outgoing interface's MTU, I could imagine that no fragmentation happens... > Thanks in advance! > Yong --=20 - Harald Welte http://www.netfilter.org/ =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D "Fragmentation is like classful addressing -- an interesting early architectural error that shows how much experimentation was going on while IP was being designed." -- Paul Vixie --eDB11BtaWSyaBkpc Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQE/EmTAXaXGVTD0i/8RAiuRAJ9cS4YVCKqCbDq1RfTpZrZ9sJxCVgCeNRXs Hevk0ofvvdieiqPzv3TEUgw= =Qin4 -----END PGP SIGNATURE----- --eDB11BtaWSyaBkpc--