1 This module matches the parameters in Authentication header of IPsec packets.
3 [\fB!\fP] \fB--ahspi\fP \fIspi\fP[\fB:\fP\fIspi\fP]
6 [\fB!\fP] \fB--ahlen\fP \fIlength\fP
7 Total length of this header in octets.
10 Matches if the reserved field is filled with zero.