nat ftp proxy

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From - Tue Aug  1 06:30:39 2000
Path: news.randori.com!hermes.visi.com!news-out.visi.com!news.maxwell.syr.edu!newshub2.home.com!news.home.com!newshub1.nl.home.com!news.nl.home.com!bullseye.news.demon.net!demon!news.demon.co.uk!demon!johnrich.demon.co.uk!odin.john-richard.co.uk!ian
From: ian@john-richard.co.uk (Ian Peattie)
Newsgroups: comp.unix.sco.misc
Subject: Re: NAT Under OSR505, port forwarding not working.
Date: Tue, 01 Aug 2000 09:54:54 GMT
Organization: John Richard & Company (Software) Ltd.
Message-ID: <8m66pe$ih5$1@odin.john-richard.co.uk> 
References: <JVnh5.17501$4p3.140810@news-server.bigpond.net.au> <8m62v5$g48$1@odin.john-richard.co.uk> <_Xwh5.18038$4p3.144521@news-server.bigpond.net.au> 
NNTP-Posting-Host: ian.john-richard.co.uk
X-NNTP-Posting-Host: johnrich.demon.co.uk:158.152.99.138
X-Trace: news.demon.co.uk 965123719 nnrp-10:25788 NO-IDENT johnrich.demon.co.uk:158.152.99.138
X-Complaints-To: abuse@demon.net
NNTP-Posting-Date: 1 Aug 2000 09:54:54 GMT
X-Newsreader: News Xpress 2.01
Mail-Copies-To: never
Lines: 34
Xref: news.randori.com comp.unix.sco.misc:63832
X-Mozilla-Status: 8011
X-Mozilla-Status2: 00000000

In article <_Xwh5.18038$4p3.144521@news-server.bigpond.net.au>, "Wayne Jackson" <warp_kez@bigpond.net.au.MAPSON> wrote:
>I am using the somewhat the same settings as those on
>/Security/ipfilter.html expect that it is set to
>my IP address range and such.
>
>I can ftp from the OSR machine, just not from anyother machine behind it.

>
>>   map du0 192.168.200.0/24 -> [ip of your 5.0.5 box]/32 proxy port ftp
>ftp/tcp
>
>Is that your setup?  With the proxy etc details after it?

Apart from the basic NAT rule, that's it. In /etc/rc2.d/S99Nat I have this.

/etc/ipnat -f - <<EOF

map du0 192.168.0.0/24 -> 158.152.99.138/32 proxy port ftp ftp/tcp
map du0 192.168.0.0/24 -> 158.152.99.138/32

EOF

I do run proxies for other traffic, such as http, but that's more for the 
benifit of caching. NAT would allow direct connections.

Now, again, let's see YOUR setup. What output do you get from 'ipnat -l'. It's 
very difficult see what your problem is if you don't give this information.

   Ian.

-- 
Ian Peattie                             ian@john-richard.co.uk
Edinburgh, Scotland.

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