1*a71a9546SAutomerger Merge WorkerThis module matches the parameters in Authentication header of IPsec packets. 2*a71a9546SAutomerger Merge Worker.TP 3*a71a9546SAutomerger Merge Worker[\fB!\fP] \fB\-\-ahspi\fP \fIspi\fP[\fB:\fP\fIspi\fP] 4*a71a9546SAutomerger Merge WorkerMatches SPI. 5*a71a9546SAutomerger Merge Worker.TP 6*a71a9546SAutomerger Merge Worker[\fB!\fP] \fB\-\-ahlen\fP \fIlength\fP 7*a71a9546SAutomerger Merge WorkerTotal length of this header in octets. 8*a71a9546SAutomerger Merge Worker.TP 9*a71a9546SAutomerger Merge Worker\fB\-\-ahres\fP 10*a71a9546SAutomerger Merge WorkerMatches if the reserved field is filled with zero. 11