icmp-type

Description

In an IP filter rule, specifies the ICMP type.

Synopsis

{block | pass} {in | out} {to | from} address_scope proto icmp [icmp-type type_value ] [code code_value ]

address_scope can be a unique IP address, an address space, or the keywords !, all, me, or any.

type_value is the ICMP type field in the IP packet header.

code_value is the ICMP code field for the specified ICMP type.