From owner-freebsd-isp Tue Nov 13 9:48:21 2001 Delivered-To: freebsd-isp@freebsd.org Received: from web20102.mail.yahoo.com (web20102.mail.yahoo.com [216.136.226.39]) by hub.freebsd.org (Postfix) with SMTP id 2EE5C37B417 for ; Tue, 13 Nov 2001 09:48:10 -0800 (PST) Message-ID: <20011113174810.81828.qmail@web20102.mail.yahoo.com> Received: from [62.11.71.109] by web20102.mail.yahoo.com via HTTP; Tue, 13 Nov 2001 18:48:10 CET Date: Tue, 13 Nov 2001 18:48:10 +0100 (CET) From: =?iso-8859-1?q?Fabrizio=20Ravazzini?= Subject: RE: Nat Gateway Firewall rules To: "Travis L. Leuthauser" Cc: freebsd-isp@freebsd.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Ok ok, I got it, great, that's what I want. But How can I assign PublicIp1,2,3 to the gateway. I give more ip's to the same eth card on the gateway or I have to play with the router? --- "Travis L. Leuthauser" ha scritto: > Why not assign all public IP's to the FreeBSD > gateway and then forward port > requests to internal boxes based on IP/port > combinations. Like such: > > INTERNET > | > | > |Public Ip0 > _____|_________ > | Router CISCO | > +------+--------+ > | > |PublicIP1,PublicIP2,PublicIp3 > +---------+ > | NAT | > |Firewall | > +---------+ DMZLan1 > +----+ | | +------+ > |WWW1|--------+ +-----+-----| WWW2 | > +----+ | +------+ > | > InternalLan1 |DNS (DMZLan2) > > Then do your forwarding like so: > > PublicIP2:80 --> DMZLan1:80 > PublicIP2:53 --> DMZLan2:53 > PublicIP3:80 --> InternalLan1:80 > and so on. > > Hope this helps, > > Travis L. Leuthauser > > -----Original Message----- > From: owner-freebsd-isp@FreeBSD.ORG > [mailto:owner-freebsd-isp@FreeBSD.ORG]On Behalf Of > Fabrizio Ravazzini > Sent: Tuesday, November 13, 2001 11:29 AM > To: Fabrizio Ravazzini > Cc: freebsd-isp@freebsd.org > Subject: RE: Nat Gateway Firewall rules > > > --- Fabrizio Ravazzini ha > scritto: > many thanks for help,now I've tought to > another > > problem, I've read on the FreebSD Handbook > > (cap17.11-Nat) and the natd manual page that with > > the > > option -redirect_address, if I have for example a > > www > > server I can redirect the traffic to this server > > wich > > is on the internal Lan or also to another machine > > with > > public Ip. > > But the problem is: if I have two or more web > > servers > > in the lan or also out of the Lan which they must > be > > reached from the internet how can I redirect with > > natd? > > Because with natd I can redirect (I understood) > only > > one machine for one service. > > Shortly the scheme: > > > OPS!! the correct scheme is this(With the router) > > > INTERNET > | > | > |Public Ip0 > _____|_________ > | Router CISCO | > +------+--------+ > | > |PublicIP1 > +---------+ > | NAT | > |Firewall | > +---------+ PublicIP2 > +----+ | | +------+ > |WWW1|--------+ +-----+-----| WWW2 | > +----+ | +------+ > PublicIp3 | > or InternalLan1 |DNS > > > Thanks,bye > > > > > --- John Brooks ha scritto: > > > Try > > these: > > > > > > http://www.obfuscation.org/ipf/ > > > > > > http://geodsoft.com/howto/harden/ > > > > > > -- > > > John Brooks > > > Email: john@stlbsd.org > > > > > > -----Original Message----- > > > > > > ...snip... > > > > > > I must provide a strong Firewall set of rules on > > the > > > nat, where can I find some docs to do such a > > thing? > > > > > > > > > To Unsubscribe: send mail to > majordomo@FreeBSD.org > > > with "unsubscribe freebsd-isp" in the body of > the > > message > > > > > ______________________________________________________________________ > > > > Abbonati a Yahoo! ADSL con Atlanet! > > Naviga su Internet ad alta velocitą, e senza > limiti > > di tempo! > > Per saperne di pił vai alla pagina > > http://adsl.yahoo.it > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-isp" in the body of the > message > > ______________________________________________________________________ > > Abbonati a Yahoo! ADSL con Atlanet! > Naviga su Internet ad alta velocitą, e senza limiti > di tempo! > Per saperne di pił vai alla pagina > http://adsl.yahoo.it > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the > message > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-isp" in the body of the message ______________________________________________________________________ Abbonati a Yahoo! ADSL con Atlanet! Naviga su Internet ad alta velocitą, e senza limiti di tempo! Per saperne di pił vai alla pagina http://adsl.yahoo.it To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message