Re: Fwd: LVS on local node

To: Eric Dumazet <eric.dumazet@xxxxxxxxx>
Subject: Re: Fwd: LVS on local node
Cc: Patrick McHardy <kaber@xxxxxxxxx>, Jan Engelhardt <jengelh@xxxxxxxxxx>, Franchoze Eric <franchoze@xxxxxxxxx>, wensong@xxxxxxxxxxxx, lvs-devel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, netfilter-devel@xxxxxxxxxxxxxxx
From: Changli Gao <xiaosuo@xxxxxxxxx>
Date: Thu, 22 Jul 2010 18:06:20 +0800
On Thu, Jul 22, 2010 at 5:59 PM, Eric Dumazet <eric.dumazet@xxxxxxxxx> wrote:
> Le jeudi 22 juillet 2010 à 17:52 +0800, Changli Gao a écrit :
>> FYI: the random option is documented in the manual page of iptables.
>>        This  target is only valid in the nat table, in the PREROUTING and 
>> OUT-
>>        PUT chains, and user-defined chains which are only  called  from 
>>  those
>>        chains.   It redirects the packet to the machine itself by changing 
>> the
>>        destination IP  to  the  primary  address  of  the  incoming 
>>  interface
>>        (locally-generated packets are mapped to the address).
>>        --to-ports port[-port]
>>               This  specifies  a  destination  port  or range of ports to 
>> use:
>>               without this, the destination port is never  altered.   This 
>>  is
>>               only valid if the rule also specifies -p tcp or -p udp.
>>        --random
>>               If  option --random is used then port mapping will be 
>> randomized
>>               (kernel >= 2.6.22).
> Note my patch has nothing to do with the man page, its already up2date.
> I usually dont read the Fine manuals, do you ?

Yea. And I don't object your patch. so I add FYI. Thanks.

> Try :
> iptables -t nat -A PREROUTING -p tcp --dport 1234 -j REDIRECT --help
> REDIRECT target options:
>  --to-ports <port>[-<port>]
>                                Port (range) to map to.
> You see [--random] is missing.

Changli Gao(xiaosuo@xxxxxxxxx)
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