Date: Mon, 2 Feb 2004 17:28:06 +0100 From: jan.muenther@nruns.com To: JJB <Barbish3@adelphia.net> Cc: questions@freebsd.org Subject: Re: proxies and firewalls Message-ID: <20040202162806.GA1639@ergo.nruns.com> In-Reply-To: <MIEPLLIBMLEEABPDBIEGKEJDFHAA.Barbish3@adelphia.net> References: <200402021104.08570.jorn@wcborstel.nl> <MIEPLLIBMLEEABPDBIEGKEJDFHAA.Barbish3@adelphia.net>
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> Are you saying you know of an proxy server that does the nat > function? Actually, the point of having proxies is *not* having to route. Your proxy machine should not be able to forward packets. Roughly, there a two different sub-groups: Circuit layer and application layer proxies, names should be self explaining. Example for an app layer gateway: Port: fwtk-2.1 Path: /usr/ports/security/fwtk Info: A toolkit used for building firewalls based on proxy services Example for a circuit level proxy: Port: nylon-1.2 Path: /usr/ports/net/nylon Info: A Unix SOCKS 4 and 5 proxy server Socks5 is already app layer, too, IIRC. Cheers, J.
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