1#!/bin/sh 2EXTIF=192.168.0.7 3INTIF=10.0.0.1 4CLIENT=10.0.0.2 5 6echo "setting up network..." 7ifconfig lo 127.0.0.1 8ifconfig eth0 $EXTIF txqueuelen 1000 9ifconfig eth1 $INTIF txqueuelen 1000 10 11echo "0" > /proc/sys/net/ipv4/tcp_timestamps 12echo "0" > /proc/sys/net/ipv4/tcp_sack 13echo "1" > /proc/sys/net/ipv4/tcp_vegas_cong_avoid |
14echo "262144" > /proc/sys/net/ipv4/ip_conntrack_max |
15echo "5000000 5000000 5000000" > /proc/sys/net/ipv4/tcp_rmem 16echo "5000000 5000000 5000000" > /proc/sys/net/ipv4/tcp_wmem 17echo "5000000 5000000 5000000" > /proc/sys/net/ipv4/tcp_mem 18echo "262143" > /proc/sys/net/core/rmem_max 19echo "262143" > /proc/sys/net/core/wmem_max 20echo "262143" > /proc/sys/net/core/rmem_default 21echo "262143" > /proc/sys/net/core/wmem_default 22echo "262143" > /proc/sys/net/core/optmem_max --- 21 unchanged lines hidden (view full) --- 44 45$IPTABLES -A FORWARD -i $EXTIF -o $INTIF -m state --state ESTABLISHED,RELATED -j ACCEPT 46$IPTABLES -A FORWARD -i $INTIF -o $EXTIF -j ACCEPT 47$IPTABLES -A FORWARD -j LOG 48 49$IPTABLES -t nat -A POSTROUTING -o $EXTIF -j MASQUERADE 50 51echo "informing client..." |
52sleep 5 |
53echo "server ready" | /usr/bin/netcat -c $CLIENT 8000 54 55echo "starting bash..." 56exec /bin/bash |