#!/bin/bash echo "setting client network..." source ipt-conf.sh source ipt-firewall.sh ipt_clear ipt_tables # Unlimited on loopback $IPT -A INPUT -i lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT $IPT -A OUTPUT -o lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT ####### Input Chain ###### $IPT -A INPUT -j blocker $IPT -A INPUT -i ${PUB_IF} -j cli_dns_in $IPT -A INPUT -i ${PUB_IF} -j cli_http_in $IPT -A INPUT -i ${PUB_IF} -j cli_https_in $IPT -A INPUT -i ${PUB_IF} -j cli_git_in $IPT -A INPUT -i ${PUB_IF} -j cli_ssh_in $IPT -A INPUT -i ${PUB_IF} -j srv_icmp $IPT -A INPUT -i ${PUB_IF} -j cli_pops_in $IPT -A INPUT -i ${PUB_IF} -j cli_smtps_in $IPT -A INPUT -i ${PUB_IF} -j cli_irc_in $IPT -A INPUT -i ${PUB_IF} -j cli_ftp_in $IPT -A INPUT -i ${PUB_IF} -j cli_gpg_in $IPT -A INPUT -i ${PUB_IF} -p udp --sport 520 --dport 520 -j ACCEPT ####### Output Chain ###### $IPT -A OUTPUT -j blocker $IPT -A OUTPUT -o ${PUB_IF} -j cli_dns_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_https_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_ssh_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_git_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_git_out $IPT -A OUTPUT -o ${PUB_IF} -j srv_icmp $IPT -A OUTPUT -o ${PUB_IF} -j cli_pops_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_smtps_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_irc_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_ftp_out $IPT -A OUTPUT -o ${PUB_IF} -j cli_gpg_out $IPT -A OUTPUT -o ${PUB_IF} -p udp --sport 1024:655335 --dport 1024:65535 -j ACCEPT ## log everything else and drop ipt_log iptables-save > /etc/iptables/client.v4