[c-nsp] dual cbac

Daniel Staněk dan at orb.cz
Wed Oct 10 16:30:55 EDT 2007


Hi friends,

is it ok to have construction like:


ip inspect name fw tcp
... etc

int dialer1
  desc internet
  ip inspect fw out
  ip access group from-internet in


int vlan1
  desc company1
  ip inspect fw in
  ip access group to-company1 out


int vlan2
  desc company2
  ip inspect fw in
  ip access group to-company2 out




The idea is to have one router and internet connection for two companys 
and to have full controll about the communication between the two 
companys (acl to-company1 and to-company2). But if the packet is 
originated in company's vlan and goes to internet interface, it is 
passed both inspection rules (for example vlan1 in and dialer1 out). 
What happens if the inspection rules differ (if I have for example 
another inspect fw2 out on dialer1) ?

Thanks for comments
Dan



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