minor bugs fixed!

~ printKernelParams() function revised to accept nic interface names as argument instead of config options from '/proc/sys/net/ipv4/*' only. When a nic is specified as an argument all available options will be shown.

ipturntables.sh

@@ -123,6 +123,7 @@ printKernelParams()
 
 	[ -f "$sz/conf/default/$2" ] && sz="$sz/conf" && sy="*/$2"
 	[ -f "$sz/conf/$2" ] && sz="$sz/conf" && sy="$2"
+	[ -d "$sz/conf/$2" ] && sz="$sz/conf/$2" && sy="*" && printf "#\n# $2:\n"
 	[ -f "$sz/$2" ] && sy="$2"
 	[ -z "$sy" ] && error 27 "Kernel param: '$2' not found!"