This module matches the time to live field in the IP header.
.TP
\fB\-\-ttl\-eq\fP \fIttl\fP
Matches the given TTL value.
.TP
\fB\-\-ttl\-gt\fP \fIttl\fP
Matches if TTL is greater than the given TTL value.
.TP
\fB\-\-ttl\-lt\fP \fIttl\fP
Matches if TTL is less than the given TTL value.