Vladimir Grebenschikov wrote: > > > It breaks the PFIL_HOOKS API. > > If I not mistaken Gleb claims that do not break: > > G> please don't take this hard. I'm not going to change pfil(4) API, > G> since it has everything required.
But this is not correct. He changes the way PFIL_HOOKS are called. > > > Let's imagine our firewall framework as general firewall, able to be > > > plugged on different layers, after that you can get following: > > > > > > 1. Plug firewall (dedicated chain) between netgraph nodes > > > > [Doesn't work before and after PFIL_HOOKS API breakage. You'd need a > > ipfw netgraph node for that anyway.] > > Yes, but is about "how netgraph interfere with ipfw" sometimes, netgraph > filtering has nothing common with host filtering. Nontheless you need to call it from somewhere? > > > 2. Plug firewall on any specific interface > > > 3. Plug firewall on any network packet processing input/output (current) > > > 4. Plug it into bridging code > > > > How do you represent this complexity in syntax and semantics? > > First what jump into my mind: > > flows management: > ipfw flow add $customer1 iface fxp0 > ipfw flow del $customer2 iface fxp0 > ipfw flow set $customer1 iface fxp1 > ipfw flow default $extrenal > ipfw flow list > > changes rules for flow > ipfw flow use $customer1 add ip from any to any > ... Ok, this is a start. Now we are getting somewhere. A "flow" would be what Gleb calls a "chain"? > or as variant > ipfw -F $customer1 add ip from any to any > ... > > I think there can be better interface if think a bit about it. Great. Please do so. > > This is the tricky problem to be solved first. Then we can start arguing > > about implementation issues, API's, ABI's and other related things. > > Again, Gleb do not going to change API or ABI. Again, he does. In a major way. > > So give me syntax and semantics examples how you want to operate this > > functionality? > > see above > > > We do not dispute the need for per-interface rules. > > Ok, so we agree that it is good idea ? Yes. If it is smartly done it can help a lot. If not well done it can wrek havrok. -- Andre _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "[EMAIL PROTECTED]"
