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