[CentOS] iptables

[CentOS List]

<snip>

> *nat   # Manipulate nat table
>
> :PREROUTING ACCEPT [0:0]
> :POSTROUTING ACCEPT [0:0]
> :OUTPUT ACCEPT [0:0]
> -A PREROUTING -t nat -p tcp --dport 26 -j REDIRECT --to-port 25
>
> COMMIT

Thanks Christopher,

I had updated my rules to

*nat
:OUTPUT ACCEPT [0:0]
:PREROUTING ACCEPT [0:0]
:POSTROUTING ACCEPT [0:0]
-A PREROUTING -t nat -p tcp --dport 26 -j REDIRECT --to-port 25
COMMIT
# Completed

When I did a restart, there is an error.

Flushing firewall rules:                                   [  OK  ]
Setting chains to policy ACCEPT: nat mangle filter         [  OK  ]
Unloading iptables modules:                                [  OK  ]
Applying iptables firewall rules: iptables-restore v1.3.5: Line 52 seems to
have a -t table option.

Error occurred at line: 52
Try `iptables-restore -h' or 'iptables-restore --help' for more information.
                                                           [FAILED]

Line 52 is -A PREROUTING -t nat -p tcp --dport 26 -j REDIRECT --to-port 25

Regards