Re: [PATCH] xt_TCPMSS: SYN packets are allowed to contain data

[Jan Engelhardt]

On Wednesday 2010-01-20 22:21, Simon Arlott wrote:

>The TCPMSS target is dropping SYN packets where:
>  1) There is data, or
>  2) The data offset makes the TCP header larger than
>  the packet.
>
>Both of these result in an error level printk.
>
>This change fixes the drop of SYN packets with data
>(because the MSS option can safely be modified) and
>passes packets with no MSS option instead of adding
>one (which is not valid).

Can you explain why the automatic addition of a MSS option is removed?
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