Hi all,

I have a shorewall with three interfaces:

---------------------------------------------------------
                                      |-----<PC01>
<internet> --- <shorewall> |
                                      |-----<PC02>
--------------------------------------------------------
  + eth0 connect to internet and has Public IP A
  + eth1 connect to PC01
  + eth2 connect to PC02

And shorewall is configured like this:
  + PC01 is masq with Public IP A
  + PC02 is nat one-to-one with Public IP B

And the result is:
  + PC01 can connect to internet (ping to 8.8.8.8 successfully)
  + PC02:
               - can connect to internet (ping to 8.8.8.8 successfully)
               - internet can connect to Public IP B (ping to Public IP B successfully)
  + However PC01 can't connect to Public IP B (from PC01 ping to Public IP B unsuccessfully)

Please help me to fix this problem (PC01 can ping to Public IP B successfully).

Thanks all so much!
--
Nguyen Thinh