1 :FORWARD,OUTPUT,POSTROUTING 2 *mangle 3 -j TCPMSS;;FAIL 4 -p tcp -j TCPMSS --set-mss 42;;FAIL 5 -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j TCPMSS --set-mss 42;=;OK 6 -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j TCPMSS --clamp-mss-to-pmtu;=;OK 7
