Le jeudi 19 fÃvrier 2004 Ã 02h55 (+0100), Adam ENDRODI Ãcrivait :
> > Another question :
> > it is possible to control arp protocol packets by kernel ?
> > ... if so - this will solve some of problems. But how control arps?
> > perhaps on firewall ? kern 2.4.24/grsec/...
> You can adjust the refresh timer by setting
> /proc/sys/net/ipv4/neigh/*/gc_stale_time, or you can disable ARP
> altogether for a paricular interface by ifconfig -arp.

You can also adjust arp-proxying by tuning these:
  /proc/sys/net/ipv4/conf/*/{arp_filter,medium_id}
See documentation here (require some kernel-doc package):
  /usr/share/doc/kernel-doc-*/Documentation/networking/ip-sysctl.txt.gz
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