This extension can be used if `\-\-protocol icmp' is specified. It
|
provides the following option:
|
.TP
|
[\fB!\fP] \fB\-\-icmp\-type\fP {\fItype\fP[\fB/\fP\fIcode\fP]|\fItypename\fP}
|
This allows specification of the ICMP type, which can be a numeric
|
ICMP type, type/code pair, or one of the ICMP type names shown by the command
|
.nf
|
iptables \-p icmp \-h
|
.fi
|
