Re: ipset 6.16 kernel panic on bitmap:hash,ip

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On Tue, 27 Nov 2012, Ricardo Klein wrote:

> So did I foud a bug? If yes, glad to help \o/
> 
> Well, with 6.15 it builds OK...

You are trying to compile 6.16 with a kernel which lacks some 
definitions and I have to workaround that.

> BUT, I cant use bitmap:ip,mac on iptables rules... check this:
> 
> # CLEAR ALL IPTABLES RULES
> iptables -F
> 
> #CRIATE SET
> ipset destroy SET_MACS_ADM
> ipset -N SET_MACS_ADM macipmap range 10.0.0.0/16
> sleep 1
> 
> # POPULATE SET
> ipset -A SET_MACS_ADM 10.0.34.32,00:1F:3B:xx:xx:xx
> *(xx:xx:xx was intentional to hide my mac address)
> 
> # CREATE IPTABLES RULE
> iptables -A INPUT -m set --set SET_MACS_ADM src -j DROP
> 
> it is not blocking traffic coming from that machine...

Yes, because you specified one directional parameter only: bitmap:ip,mac 
is a two dimensional set and thus the set match/SET target require two 
directional parameters.

You can't force bitmap:ip,mac to match only the MAC addresses.

Best regards,
Jozsef
-
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Address : Wigner Research Centre for Physics, Hungarian Academy of Sciences
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