I think this patch would be more appropiate as I think the intention is to detect kernels before 2.4 and act differently.
--- /usr/lib/tiger/scripts/check_known.orig 2013-08-29 16:18:17.353468855 +1000 +++ /usr/lib/tiger/scripts/check_known 2013-08-29 16:20:21.966644143 +1000 @@ -125,8 +125,8 @@ # (maybe should be moved to systems/Linux/2/check_known) [ ! -x "$IP" -o "$OS" != "Linux" ] && message INFO kisXXX "" "Using $IFCONFIG instead of $IP, promiscuous mode detection incomplete. Installing $IP adds libpcap/libnet-based sniffer detection capabilities." - VER=`echo $REV | $CUT -f 2 -d .` - if [ -x "$IP" -a $VER -ge 4 ] + VER=`echo $REV | $EGREP '^(2.[46].|3)'` + if [ -x "$IP" -a -n $VER ] then echo "# Testing for promiscuous interfaces with $IP" $IP link show | -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org