Quoting Nima Azizzadeh (2019-02-07 17:18:55) > Hello, > We are working on a project that includes DragonFlyBSD and IPFW3. On this > phase of project we are trying to test all features. Based on official > DragonFlyBSD documents(https://www.dragonflybsd.org/docs/ipfw3/) for using > stateful firewall and checking every traffic state, we must use "ipfw3 add > check-state" rule. When I use the syntax I got this error : > # ipfw3 add check-state > ipfw3: getsockopt(IP_FW_ADD): Invalid argument >
Hi Nima, Did you load the necessary modules? If not, try and load all IPFW3 modules, i.e., "ipfw3", "ipfw3_basic", "ipfw3_layer2", "ipfw3_layer4", and "ipfw3_nat". Hope this solves your problem. Cheers, Aaron
