1:PREROUTING,INPUT,FORWARD,OUTPUT,POSTROUTING 2*mangle 3-j TCPOPTSTRIP;;FAIL 4-p tcp -j TCPOPTSTRIP;=;OK 5-p tcp -j TCPOPTSTRIP --strip-options 2,3,4,5,6,7;=;OK 6-p tcp -j TCPOPTSTRIP --strip-options 0;;FAIL 7-p tcp -j TCPOPTSTRIP --strip-options 1;;FAIL 8-p tcp -j TCPOPTSTRIP --strip-options 1,2;;FAIL 9