System Configuration Examples - Linux /etc/init.d/tune-param ;bump up file count echo "16384" > /proc/sys/fs/file-max ; bump up syn backlog echo "2048" > /proc/sys/net/ipv4/tcp_max_syn_backlog ; bump up epherial ports (for outbound connctions!) echo "1024 49151" > /proc/sys/net/ipv4/ip_local_port_range ; make the base ide disk work properly (dma, 32bit transfers) /sbin/hdparm -d 1 -c 1 -m 8 /dev/hda ; Enable ip forwarding (or proxy redirection) echo "1" > /proc/sys/net/ipv4/ip_forward ; Turn on the iptables redirection to the squid port iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 3128