[CentOS] OT: Setting a CentOS to gateway a private IP address
Les Mikesell
lesmikesell at gmail.com
Tue Oct 21 21:22:30 UTC 2008
James B. Byrne wrote:
>
>> Seems like your trying to route through the linux box? Have you
>> enabled ip forwarding and checked your iptables ruleset to make
>> sure that either the default policy is ACCEPT or that you have
>> specific rules in there that allow forwarding?
>>
>
> I believe so.
>
> # cat /proc/sys/net/ipv4/ip_forward
> 1
> # iptables -L -n
> ...
> blah blah
> ...
> ACCEPT all -- 0.0.0.0/0 192.168.219.0/24
> REJECT all -- 0.0.0.0/0 0.0.0.0/0 reject-with
> icmp-host-prohibited
Do you permit returning packets somewhere?
>
> To be sure that the firewall was not the source of trouble I temporarily
> turned it off and observed no change in behaviour from that previously
> reported.
>
> Another correspondent pointed out that I may need to run routed to
> propagate the routing information from the host to the network.
Or apply static routes on the other network - or NAT to the connecting
interface address on the way out.
--
Les Mikesell
lesmikesell at gmail.com
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