Permalink
Switch branches/tags
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
executable file 32 lines (29 sloc) 890 Bytes
#!/bin/sh
# flush rules
ipfw del pipe 1
ipfw del pipe 2
ipfw -q -f flush
ipfw -q -f pipe flush
if [ "$1" == "" ]; then
echo "Options: ip-mod.sh slow"
echo " ip-mod.sh block"
echo " ip-mod.sh reset"
echo " ip-mod.sh restore"
exit
elif [ "$1" == "restore" ]; then
echo "restoring normal network"
exit
elif [ "$1" == "slow" ]; then
# simulate slow connection <to specific hosts>
echo "enabling slow connection"
ipfw add pipe 1 ip from any to any
ipfw add pipe 2 ip from any to any
ipfw pipe 1 config bw 60KByte/s delay 350ms
ipfw pipe 2 config bw 60KByte/s delay 350ms
elif [ "$1" == "block" ]; then
echo "enabling blocked connections"
ipfw add 1 deny tcp from any to any 1024-65535
elif [ "$1" == "reset" ]; then
echo "enabling reset connections"
ipfw add 1 reset tcp from any to any 1024-65535
fi