An Interface with alias

[Usuário do Sistema <maiconlp@xxxxxxxxx>]

Hello everyone,

I'm going to add a new Interface in the my firewall iptables Linux Red Hat 5.6.


so... I wonder if is very bad or what can happen when I do alias on a
interface for more the one network. for exemplo:


eth0 has ip 172.16.30.1/30
eth0.1 172.16.30.5/30
eth0.2 172.16.30.9/30


I wish drop any packages between theses network. any traffic between
the network 172.16.30.0/30 and 172.16.30.4/30 must dropped by
iptables.

I'm disabled any filter as follow bellow

for eee in /proc/sys/net/ipv4/conf/*/rp_filter; do
echo 0 > $eee
done


I wonder there is any problem or uninsured with my firewall iptables ?!?!




thanks





















I don't know if this is maillist correct if didn't is please tell me
other options
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