--- /etc/periodic/security/900.tcpwrap.orig	2017-08-15 08:04:52.327729000 +0000
+++ /etc/periodic/security/900.tcpwrap	2018-01-05 07:10:20.608106000 +0000
@@ -53,6 +53,7 @@ catmsgs() {
 		case $f in
 		    *.gz)	zcat -f $f;;
 		    *.bz2)	bzcat -f $f;;
+		    *.xz)	xzcat -f $f;;
 		esac
 	    done
 	[ -f ${LOG}/messages ] && cat $LOG/messages