[CentOS] DNS or firewall problem

Tue Jul 6 15:47:52 UTC 2010
Basil Kurian <basilkurian at gmail.com>

enable ipv4_forwarding in /etc/sysctl.conf


# service iptables start

# iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE

eth0 is the interface connected to modem.

On 6 July 2010 04:30, Thomas Dukes <tdukes at sc.rr.com> wrote:

> Been working this for over a month now and I'm stumped.
>
> Everything was working until the 'crash'. Backup was no good so I did a
> fresh install of centos 5.5. Trying to get things back like they were but
> its been a really long time since I had to set things up from scratch,
> Redhat 2.0.
>
> My centos server acts as a gateway/firewall/router for my home network.
> Internal machines can access the internet. The server can access the
> internet. I can access my server/services from outside the local network
> but
> internal machines cannot.
>
> Any ideas/suggestions?
>
> Thanks,
>
> --Eddie
>
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