please help me with ebtables, i need to block arp replys

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Hi, please i need your help, i need to block all the arp replys in my lan,
except the ones that comes from a specific machine, i have made a program
that will response all the arp request that are made in the lan, in my
program i put on the mac source field of the ethernet header of each arp
reply packet, the mac of this machine, because i want to put some rule
(maybe with ebtables?) that will drop all the arp replys packets from the
lan except those than comes from the machine where i run my program (i think
that the rule will  have to filter by source mac address, thats why all the
arp replys packets that can be accepted generated by my program, have in the
ethernet header as mac source address, the mac of this machine). I have the
linksys wrtsl54gs with openwrt whiterussian RC6, could i do this with
ebtables? can i block the arp replys in the linksys that goes from for
example machine A to machine B? the linksys can see the replys that are not
for him or am i wrong?? or the arp replys that are not specifically for the
router are not seen by the router? could ebtables help me with this? thanks
a lot in advance, im sorry to bother you.

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<div dir="ltr">Hi, please i need your help, i need to block all the arp replys in my
lan, except the ones that comes from a specific machine, i have made a
program that will response all the arp request that are made in the
lan, in my program i put on the mac source field of the ethernet header
of each arp reply packet, the mac of this machine, because i want to
put some rule (maybe with ebtables?) that will drop all the arp replys
packets from the lan except those than comes from the machine where i
run my program (i think that the rule will&nbsp; have to filter by source
mac address, thats why all the arp replys packets that can be accepted
generated by my program, have in the ethernet header as mac source
address, the mac of this machine). I have the linksys wrtsl54gs with
openwrt whiterussian RC6, could i do this with ebtables? can i block
the arp replys in the linksys that goes from for example machine A to
machine B? the linksys can see the replys that are not for him or am i wrong?? or the arp replys that are not specifically for the router
are not seen by the router? could ebtables help me with this? thanks a
lot in advance, im sorry to bother you.</div>

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