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From: "louie miranda" <lmiranda@chikka.com>
To: netfilter@lists.netfilter.org
Subject: portfw on iptables 2.4 kernel problem.
Date: Tue, 10 Dec 2002 16:56:39 +0800	[thread overview]
Message-ID: <014901c2a02a$0dbf59f0$0b00000a@nocpc3> (raw)

I have an internel ftp server w/c i want to access over my linux router(gw)
Its internel IP is 10.0.0.11 and port 21. My externel IP lets say
203.100.100.1.
I followed the docs w/c i found at linuxdoc
http://www.tldp.org/HOWTO/IP-Masquerade-HOWTO/forwarders.html
I type in this iptables rule set,

iptables -A FORWARD -i eth0 -o eth1 -p tcp --dport 21 -m state --state
NEW,ESTABLISHED,RELATED -j ACCEPT
iptables -A PREROUTING -t nat -p tcp -d $EXTIP --dport 21 -j DNAT --to
10.0.0.11:21

I enabled ip forwarding thru the kernel by typing this command, (this is the
first thing i type then the iptables rule set)

echo "1" > /proc/sys/net/ipv4/ip_forward

svr:/# cat /proc/sys/net/ipv4/ip_forward
1
svr:/#

And still it does not work..

Trying 203.100.100.1...
telnet: Unable to connect to remote host: Connection refused





--
thanks,
louie miranda




             reply	other threads:[~2002-12-10  8:56 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-10  8:56 louie miranda [this message]
2002-12-10  9:01 ` portfw on iptables 2.4 kernel problem Raymond Leach
2002-12-10  9:11   ` louie miranda
2002-12-10  9:01 ` Paulo Andre
2002-12-10  9:12   ` louie miranda
2002-12-11 11:26 ` Andrea Rossato
2002-12-12  3:11   ` louie miranda
     [not found] <FD8F124A387AD6119F7900A0D218B321561982@hslex01.hslbz.local>
2002-12-10  9:43 ` Rob Sterenborg
2002-12-10 11:00   ` Raymond Leach
2002-12-10 11:22     ` Jozsef Kadlecsik
2002-12-10 11:32       ` Raymond Leach
2002-12-10 11:52         ` Jozsef Kadlecsik
2002-12-10 12:12           ` Raymond Leach
2002-12-11  6:08       ` louie miranda
2002-12-11  6:20         ` Raymond Leach
  -- strict thread matches above, loose matches on Subject: below --
2002-12-11  7:32 Reckhard, Tobias
2002-12-11  8:05 ` Joel Newkirk
2002-12-11  9:00 Reckhard, Tobias
2002-12-11 14:25 ` Joel Newkirk
2002-12-12  7:31 Reckhard, Tobias
2002-12-12  7:33 Reckhard, Tobias
2002-12-12  8:09 Reckhard, Tobias
     [not found] <96C102324EF9D411A49500306E06C8D1021AE462@eketsv02.cubis.de >
2002-12-12  8:51 ` Rasmus Reinholdt Nielsen
2002-12-12 14:25   ` Joel Newkirk

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