From mboxrd@z Thu Jan 1 00:00:00 1970 From: Raymond Leach Subject: Re: Source Port Date: 15 Apr 2003 13:11:26 +0200 Sender: netfilter-admin@lists.netfilter.org Message-ID: <1050405086.1439.47.camel@raylinux.internal> References: <1050404537.1482.19.camel@india> Reply-To: raymondl@knowledgefactory.co.za Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-PWXAI5uznK8PTqsjnBu9" Return-path: In-Reply-To: <1050404537.1482.19.camel@india> Errors-To: netfilter-admin@lists.netfilter.org List-Help: List-Post: List-Subscribe: , List-Id: List-Unsubscribe: , List-Archive: To: Netfilter Mailing List --=-PWXAI5uznK8PTqsjnBu9 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Why? In the specific example that you give, what would be the implications? On Tue, 2003-04-15 at 13:02, Dharmendra.T wrote: > Hi Everyone,=20 >=20 > I am a regular reader of this list and I have absorbed that most of > the users won't use the source ports in their rules. Say for ex,=20 >=20 > #iptables -A INPUT -s 192.168.1.0/24 -p tcp -d 0/0 --dport 23 -j > ACCEPT=20 >=20 > In these kind of rules they will not specify the source port from 1024 > to 65545. I strongly recommend all Linux Users to specify the exact > rules what is allowed and what is not allowed.=20 >=20 > Any Comments? This could be a good practise?=20 > --=20 > Regards > Dharmendra.T >=20 >=20 > This message is intended for the addressee only. It may contain privilege= d or Confidential information. If you have received this message in error,p= lease notify the sender and destroy the message immediately.Unauthorised us= e or reproduction of this message is strictly prohibited. --=-PWXAI5uznK8PTqsjnBu9 Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQA+m+jeh1fuR/Bv+ygRAmNyAJ0VyXt+IvEMunbGVGIpHiOPwIcZCgCdEbSL S0T+wh04QtNKERUwY93evGs= =8xyv -----END PGP SIGNATURE----- --=-PWXAI5uznK8PTqsjnBu9--