tos

Description

Specifies a value in the type of service (tos) field of an IPv4 packet header or the quality class field of an IPv6 packet header.

Synopsis

{block | pass} {in| out} tos tos_value [/tos_mask ] address_scope

tos_value is the TOS value field in an IPv4 packet header or the quality class field in an IPv6 packet header. It must be specified in hexadecimal. The leading 0 or 0x is optional.

tos_mask is a full mask, which is bitwise combined with the tos field in the protocol header using a Boolean AND, then compared with the tos_value in the rule. It must be specified in hexadecimal. The leading 0 or 0x is optional.