ip_rt_bug in mangle/OUTPUT

[Patrick McHardy]

Rennie deGraaf wrote:
> Patrick McHardy wrote:
> 
>>If you don't need the rerouting to be happen (you only change the
>>source address and don't use routing rules based on that) you can
>>simply return NF_STOP instead of NF_ACCEPT. It will do exactly
>>the same thing but avoid rerouting.
> 
> 
> That solution worked well on recent kernels.  Unfortunately, my boss now
> wants my code to work on Linux 2.6.9, which doesn't appear to have
> NF_STOP.  (It seems to have been added in 2.6.12.)  Can you think of any
> other work-arounds, short of dropping the packets and re-injecting the
> modified versions through raw sockets?


No, old kernel version will even leak packets when you send unknown
return codes.