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Article #188Q Ip-forwarding diff from IP Masquerading, was Re: Sniffit for Linux 2.0.27
From: Philip Shearer
Date: Sat, 01 Nov 1997 00:00
Date: Sat, 01 Nov 1997 00:00
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G. Graham (glenn@intextonline.com) wrote: : I'm wondering if this is possible, since I have Ip-forwarding turned : on ( Masquerading ). Will I have to disable my other two w95 machines I thought that Ip-forwarding and Masquerading were two different concepts with Ip-forwarding the packets from the w95 machines will be sent onto the Internet with the original IP address of the w95 machines. With IP Masquerading (using say socks5) then the addresses of the original machines will be hidden/translated by the socks5 software so that all packets appear on the internet side to be from the single legal IP address on the Linux box running socks5. As I understand it, unless the service provider provides a registered set of IP addresses to the client, then the other boxes on a local lan using Ip-forwarding will be sending out their illeagel (none registered) IP addresses onto the internet. If the client/user is provided with less than a full octal set of addresses, ( <255 ), user will have to submask the set of addresses on the local net so that UDP broadcasting will work properly. Please could someone explain if I am wrong about how IP-forwarding works, or confirm what I say if I am correct. -- Regards Philip Shearer Pager: +44 (0)4325 174646 Tel: +44 (0)171 252 0527 Email:pbs@lmrln.demon.co.uk
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 10d8ad,27589d84c46fa5ed,start X-Google-Attributes: gid10d8ad,public X-Google-Thread: 108f6a,27589d84c46fa5ed,start X-Google-Attributes: gid108f6a,public From: pbs@canada.lmrln.demon.co.uk (Philip Shearer) Subject: Q Ip-forwarding diff from IP Masquerading, was Re: Sniffit for Linux 2.0.27 Date: 1997/11/01 Message-ID: <63f39l$pv$1@canada.lmrln.demon.co.uk> X-Deja-AN: 286395116 X-NNTP-Posting-Host: lmrln.demon.co.uk [158.152.10.80] References: <345ae73f.8751720@news.direct.ca> Organization: Lomarline Ltd Newsgroups: uk.comp.os.linux,demon.ip.support.unix