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Re: set up NAT (network address translation) on local server



Antonio Olivares wrote:


--- On Wed, 11/19/08, Christopher K. Johnson <ckjohnson gwi net> wrote:

From: Christopher K. Johnson <ckjohnson gwi net>
Subject: Re: set up NAT (network address translation) on local server
To: "Community assistance, encouragement, and advice for using Fedora." <fedora-list redhat com>
Date: Wednesday, November 19, 2008, 2:57 PM
What does this command produce? (shows whether your snat
rule is implemented correctly)
iptables -vnL -t nat

And this one? (tells if ip forwarding is on)
cat /proc/sys/net/ipv4/ip_forward

Chris

--   "A society grows great when old men plant trees
whose shade they know
  they shall never sit in" - Greek Proverb

-- fedora-list mailing list


[olivares localhost ~]$ su -
Password:
[root localhost ~]# iptables -vnL -t nat
Chain PREROUTING (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination

Chain POSTROUTING (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination

Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination
[root localhost ~]# cat /proc/sys/net/ipv4/ip_forward
1
[root localhost ~]#

Try
modprobe iptable_nat
iptables -A POSTROUTING -t nat -o eth0 -j MASQUERADE

and make sure the host itself can ping the targets you are trying.

--
   Les Mikesell
   lesmikesell gmail com


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