From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ray Leach Subject: Re: Strange entries in /var/log/messages Date: Mon, 01 Mar 2004 14:50:52 +0200 Sender: netfilter-admin@lists.netfilter.org Message-ID: <1078145452.13370.23.camel@raylinux.internal> References: <1078144018.13370.20.camel@raylinux.internal> <200403011231.10861.Antony@Soft-Solutions.co.uk> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-GZVFI5IC4YqsKUCjfvke" Return-path: In-Reply-To: <200403011231.10861.Antony@Soft-Solutions.co.uk> Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: To: Netfilter Mailing List --=-GZVFI5IC4YqsKUCjfvke Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2004-03-01 at 14:31, Antony Stone wrote: > On Monday 01 March 2004 12:26 pm, Ray Leach wrote: >=20 > > Hi All > > > > Can anyone explain why a machine on 10.0.0.10/24 would try and > > communicate with another machine 10.0.0.4/24 via a router? > > Mar 1 14:19:37 firefly kernel: DROP FORWARD INTERNAL: IN=3Deth2 OUT=3D= eth2 > > SRC=3D10.0.0.10 DST=3D10.0.0.4 LEN=3D48 TOS=3D0x00 PREC=3D0x00 TTL=3D12= 7 ID=3D17562 DF > > PROTO=3DTCP SPT=3D4601 DPT=3D159 WINDOW=3D64240 RES=3D0x00 SYN URGP=3D0 >=20 > Bad routing table / netmask on 10.0.0.10? > Bad ARP cache entry? > 10.0.0.4 sending silly ICMP redirects? > Strange network cabling arrangement :) ? >=20 Thanks for the pointers, checked all the above ... Strange thing is that it (10.0.0.10) is communicating with 10.0.0.15 correctly (i.e. not via the router, but directly). > Regards, >=20 > Antony. --=20 -- Raymond Leach Network Support Specialist http://www.knowledgefactory.co.za "lynx -source http://www.rchq.co.za/raymondl.asc | gpg --import" Key fingerprint =3D 7209 A695 9EE0 E971 A9AD 00EE 8757 EE47 F06F FB28 -- --=-GZVFI5IC4YqsKUCjfvke Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQBAQzGsh1fuR/Bv+ygRAt01AKCmplyvMfs/mZygGItEZSelSbJ3cACdG22a Wiubhs1P2xUNC+LMTvK8P8U= =k87S -----END PGP SIGNATURE----- --=-GZVFI5IC4YqsKUCjfvke--