From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ray Leach Subject: Re: Security question Date: Mon, 01 Mar 2004 15:03:48 +0200 Sender: netfilter-admin@lists.netfilter.org Message-ID: <1078146228.13371.29.camel@raylinux.internal> References: <404332A5.1000500@stupar.homelinux.net> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-q1aVa6sQNXNcRbvkf5yl" Return-path: In-Reply-To: <404332A5.1000500@stupar.homelinux.net> Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: To: Netfilter Mailing List --=-q1aVa6sQNXNcRbvkf5yl Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Mon, 2004-03-01 at 14:55, Sasa Stupar wrote: > What is the potential security problem if you have network as follows: >=20 > SOLUTION 1 >=20 > INET-CABLE MODEM-----------------| > ROUTER-eth0-public IP address----| > ROUTER-eth1-private IP address---|------->SWITCH > ROUTER-eth2-private IP address---| > Internal server for mail,web-----| > all LAN users with private IP----| >=20 >=20 > SOLUTION 2 >=20 > INET-CABLE MODEM-->eth0-ROUTER|--eth1| > --eth2|-->SWITCH > server and LAN users| >=20 > I am thinking of the solution 1 because cable modem is a little bit to=20 > far away from the router and I don't want to use to much of the cables.=20 > I have setup router with MAC address filtering and also put firewall on=20 > all internal computers. >=20 > What is possible security problem comparing the 2 solutions above? >=20 Depends what firewall/packet filtering capabilities eth0-ROUTER has ... > Regards, > Sasa --=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 -- --=-q1aVa6sQNXNcRbvkf5yl 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) iD8DBQBAQzS0h1fuR/Bv+ygRAl+sAJkBpTMpx21g3/xlppzb8LZXzpwFdgCbB0N4 HJbA8NyOlBnOg/ZwQAJMdLw= =LnQl -----END PGP SIGNATURE----- --=-q1aVa6sQNXNcRbvkf5yl--