Limit Networking on Multihomed hosts

From Linux-VServer

Revision as of 00:56, 14 January 2010 by AdrianReyer (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search


You have a multihomed host, e.g. DMZ and LAN or different DMZs and want a single VServer only to e able to send packets over a specific network.


I used alternate routing tables:

Once (tested on Debian):

echo 100 vservera > /etc/iproute2/rt_tables
echo 101 vserverb > /etc/iproute2/rt_tables

After rebooting (write an init script)

ip route add IP-VServer-A/mask table vservera dev ethA
ip route add default table vservera via Gateway-A
ip route add IP-VServer-B/mask table vserverb dev ethB
ip route add default table vserverb via Gateway-B

ip rule add from net-VServer-A/mask table 100
ip rule add from net-VServer-B/mask table 101
Personal tools