Re: Reject with tcp-reset on a bridge

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On Wednesday 2008-04-23 20:31, Gilad Benjamini wrote:

>I am using iptables to firewall connections on a bridge.
>
>The rule below (minimized to the sake of the example) works
>       iptables -A FORWARD -p tcp -j REJECT
>
>A TCP-reset variation doesn't work
>      iptables -A FORWARD -p tcp -j REJECT  --reject-with tcp-reset
>
>The TCP packets don't go through, but I don't see a RST, or any other
>packet, coming back.
>My options are:
>   a. Something is wrong in my configuration
>   b. This isn't suppose to work
>   c. This doesn't work because of a bug
>   d. None of the above
>
>Which is it ?

Since missing features may be perceived as bugs but which of course
are not, it would be 0.5*c+0.5*d.

http://marc.info/?l=netfilter-devel&m=120716501006420&w=2
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