1pass in tos 0x50 from any to any 2pass in tos 0x80 from any to any 3pass in tos 0x80 from any to any 4pass in tos 0x50 from any to any 5block in ttl 0 from any to any 6block in ttl 1 from any to any 7block in ttl 2 from any to any 8block in ttl 3 from any to any 9block in ttl 4 from any to any 10block in ttl 5 from any to any 11block in ttl 6 from any to any 12