netdev - Re: Fwd: LVS on local node

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Message-ID: <AANLkTilbAnR1V9DRNAjtfejwNMzXK5tTnRclOrJYGUx9@mail.gmail.com>
Date:	Thu, 22 Jul 2010 18:06:20 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Patrick McHardy <kaber@...sh.net>,
	Jan Engelhardt <jengelh@...ozas.de>,
	Franchoze Eric <franchoze@...dex.ru>, wensong@...ux-vs.org,
	lvs-devel@...r.kernel.org, netdev@...r.kernel.org,
	netfilter-devel@...r.kernel.org
Subject: Re: Fwd: LVS on local node

On Thu, Jul 22, 2010 at 5:59 PM, Eric Dumazet <eric.dumazet@...il.com> 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.
>>
>>    REDIRECT
>>        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 127.0.0.1 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.
>
>


-- 
Regards,
Changli Gao(xiaosuo@...il.com)
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