Re: SYNPROXY module with bridge

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Hello,

I was check and as you said REJECT target also doesn't work in Bridge.
Where is the problem - in "br.c" or it must add a check in "ipt_synproxy.c" for is the packet coming from bridged interface? I find this patch for reject in bridge but doesn't work - http://markmail.org/message/zkd57gfh7htcbyvc#query:+page:1+mid:spwhgpx2jl6iholn+state:results

Any help would be useful to me...

Thank you!

----------------------------
Kind regards,
Todor Todorov
System Administrator
4 Vendeta LTD
GSM: +359 895 935 835
root@xxxxxxxxxxxx
----------------------------

На 05.4.2015 г. в 14:47, Patrick McHardy написа:
On 04.04, Todor Todorov wrote:
Hello,

 From 1 week ago I'm trying to patch synproxy module to work in bridge mode.
The problem is that SYNPROXY is not send syn-ack by bridge, its send by
default route.
I know roughly C language but failed to rewrite and work..

This is the topology of the problem:

User -----> SYN ------> Firewall - br0 - physdev vlan10
Firewall - eth0? -------> SYN-ACK ------> User

Should be like:

Firewall - br0 - physdev vlan10 -------> SYN-ACK ------> User

Please help or some guidance on how to fix this problem.
You should have a look at the REJECT target, which faces the same problem.
Also please CC the netfilter-devel list on questions like that, someone
might jump in to help.

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