1# $FreeBSD$ 2 3To test tcp-md5 do: 4 5* compile and install kernel with TCP_SIGNATURE support 6 7* add this to /etc/ipsec.conf (the md5 'secret' is just a sample) 8 add 127.0.0.1 127.0.0.1 tcp 0x1000 -A tcp-md5 "0e3a9ac42ceca8260f1d6fbc46a9707c"; 9 10* enable it in /etc/rc.conf with 11 ipsec_enable="YES" 12 and apply it with sh /etc/rc.d/ipsec start 13 14 [ off course you can also manually add it using setkey(8) ] 15 16* compile tcpconnect in here running: 17 make 18 19* start tcpdump (secret as above, port is just a sample): 20 tcpdump -l -n -i lo0 -s 0 -M "0e3a9ac42ceca8260f1d6fbc46a9707c" tcp and port 2345 21 22* run the server (use same port as given to tcpdump): 23 ./tcpconnect server 2345 24 25* run the client (use same port as given to tcpdump): 26 ./tcpconnect client 127.0.0.1 2345 1 tcpmd5 27 28* check tcpdump output 29 30# end 31