1:PREROUTING,INPUT,FORWARD,OUTPUT,POSTROUTING 2*mangle 3-j TOS --set-tos 0x1f;=;OK 4-j TOS --set-tos 0x1f/0x1f;=;OK 5# maximum TOS is 0x1f (5 bits) 6# ERROR: should fail: iptables -A PREROUTING -t mangle -j TOS --set-tos 0xff 7# -j TOS --set-tos 0xff;;FAIL 8-j TOS --set-tos Minimize-Delay;-j TOS --set-tos 0x10;OK 9-j TOS --set-tos Maximize-Throughput;-j TOS --set-tos 0x08;OK 10-j TOS --set-tos Maximize-Reliability;-j TOS --set-tos 0x04;OK 11-j TOS --set-tos Minimize-Cost;-j TOS --set-tos 0x02;OK 12-j TOS --set-tos Normal-Service;-j TOS --set-tos 0x00;OK 13-j TOS --and-tos 0x12;-j TOS --set-tos 0x00/0xed;OK 14-j TOS --or-tos 0x12;-j TOS --set-tos 0x12/0x12;OK 15-j TOS --xor-tos 0x12;-j TOS --set-tos 0x12/0x00;OK 16-j TOS;;FAIL 17