Ok, below is the recipe I just used. The ipfilter files that I did this with can be found at: http://coombs.anu.edu.au/~avalon/ip_fil4.1next.tar.gz
Cheers, Darren cat /cdrom/sets/ssys.??| (cd /usr/src; tar xzpf -) cd /tmp ftp http://coombs.anu.edu.au/~avalon/ip_fil4.1.1.tar.gz gunzip -c ip_fil4.1.1.tar.gz | tar xpf - cd ip_fil4.1.1 BSD/kupgrade Major number for IP Filter is 79 ... cd /usr/src/sys/i386/conf vi GENERIC <add IPFILTER, IPFILTER_LOG> config GENERIC cd ../../compile/GENERIC make depend && make cp kernel /kernel.new reboot <boot kernel.new> # ipf -V ipf: IP Filter: v4.1.1 (396) Kernel: IP Filter: v4.1.1 Running: yes Log Flags: 0 = none set Default: pass all, Logging: available Active list: 0 Feature mask: 0x10a # ls -al /dev/ip* crw------- 1 root wheel 79, 3 Apr 17 10:20 /dev/ipauth crw------- 1 root wheel 79, 0 Apr 17 10:20 /dev/ipl crw------- 1 root wheel 79, 6 Apr 18 22:50 /dev/iplookup crw------- 1 root wheel 79, 1 Apr 17 10:20 /dev/ipnat crw------- 1 root wheel 79, 2 Apr 17 10:20 /dev/ipstate crw------- 1 root wheel 79, 4 Apr 18 22:50 /dev/ipsync
