proto
Description
| Specifies an Internet protocol. |
Synopsis
{block | pass} {in | out} proto proto_value address_scope [port op port_value ]| proto_value is tcp or udp. |
| address_scope can be a unique IP address, an address space, or the keywords !, all, me, or any. |
| op is a mathematical operator. For more information, see . |
| port_value is an individual port or an interval. |