iptables revision

1 files changed, 158 insertions, 0 deletions

diff --git a/core/conf/iptables/ipt-bridge.sh b/core/conf/iptables/ipt-bridge.sh
new file mode 100644
index 0000000..6f70e7c
--- /dev/null
+++ b/core/conf/iptables/ipt-bridge.sh
@@ -0,0 +1,158 @@
+#!/bin/bash
+
+echo "setting bridge ${BR_IF} network..."
+echo 1 > /proc/sys/net/ipv4/ip_forward
+
+# Unlimited on loopback
+$IPT -A INPUT -i lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT
+$IPT -A OUTPUT -o lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT
+$IPT -A INPUT -i lo -s ${PUB_IP} -d ${PUB_IP} -j ACCEPT
+$IPT -A OUTPUT -o lo -s ${PUB_IP} -d ${PUB_IP} -j ACCEPT
+
+####### NAT Prerouting Chain  ######
+#$IPT -t nat -A PREROUTING -i ${WIFI_IF} -p udp --dport 53 --sport 1024:65535 -j DNAT --to 10.0.0.254:53
+#$IPT -t nat -A PREROUTING -i ${WIFI_IF} -p tcp --dport 53 --sport 1024:65535 -j DNAT --to 10.0.0.254:53
+$IPT -t nat -A PREROUTING -i ${WIFI_IF} -p tcp --dport 443 --sport 1024:65535 -j DNAT --to 10.0.0.4:443
+#$IPT -t nat -A PREROUTING -j LOG --log-level 7 --log-prefix "iptables: PREROUTING: "
+
+####### Forward Chain  ######
+$IPT -A FORWARD -j blocker
+$IPT -A FORWARD -i lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT
+$IPT -A FORWARD -o lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT
+
+# Allow access from bridge to gateway wifi interface
+$IPT -A FORWARD -i ${WIFI_IF} -o ${BR_IF} -j cli_http_in
+$IPT -A FORWARD -i ${BR_IF} -o ${WIFI_IF} -j cli_http_out
+$IPT -A FORWARD -i ${WIFI_IF} -o ${BR_IF} -j cli_https_in
+$IPT -A FORWARD -i ${BR_IF} -o ${WIFI_IF} -j cli_https_out
+$IPT -A FORWARD -i ${WIFI_IF} -o ${BR_IF} -j cli_ftp_in
+$IPT -A FORWARD -i ${BR_IF} -o ${WIFI_IF} -j cli_ftp_out
+
+#$IPT -A FORWARD -i ${WIFI_IF} -o ${BR_IF} -j srv_dns_in
+#$IPT -A FORWARD -i ${BR_IF} -o ${WIFI_IF} -j srv_dns_out
+$IPT -A FORWARD -i ${WIFI_IF} -o ${BR_IF} -j srv_https_in
+$IPT -A FORWARD -i ${BR_IF} -o ${WIFI_IF} -j srv_https_out
+
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap1 --physdev-out tap2 -s ${BR_NET} -d ${BR_NET} -j ACCEPT
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out tap1 -s ${BR_NET} -d ${BR_NET} -j ACCEPT
+#
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap1 --physdev-out tap3 -s ${BR_NET} -d ${BR_NET} -j ACCEPT
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap3 --physdev-out tap1 -s ${BR_NET} -d ${BR_NET} -j ACCEPT
+#
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap3 --physdev-out tap2 -s ${BR_NET} -d ${BR_NET} -j ACCEPT
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out tap3 -s ${BR_NET} -d ${BR_NET} -j ACCEPT
+#
+#
+# Tap1
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap1 -j cli_http_in
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap1 --physdev-out ${PUB_IF} -j cli_http_out
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap1 -j cli_https_in
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap1 --physdev-out ${PUB_IF} -j cli_https_out
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap1 -j cli_ftp_in
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap1 --physdev-out ${PUB_IF} -j cli_ftp_out
+#
+#
+## Tap3
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap3 --physdev-out ${PUB_IF} -j cli_git_out
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap3 -j cli_git_in
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap3 -j cli_http_in
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap3 --physdev-out ${PUB_IF} -j cli_http_out
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap3 --physdev-out ${PUB_IF} -j cli_https_out
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap3 -j cli_https_in
+#
+#
+######## Forward TAP2 ssh, http and https  ######
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -j srv_ssh_in
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out ${PUB_IF} -j srv_ssh_out
+#
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -j srv_http_in
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out ${PUB_IF} -j srv_http_out
+#
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -j srv_https_in
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out ${PUB_IF} -j srv_https_out
+
+# Tap1, Tap2 and Tap3 can access external https
+
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out ${PUB_IF} -j cli_https_out
+#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -j cli_https_in
+
+$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -s ${BR_NET} -d ${BR_NET} -j ACCEPT
+
+
+#
+#        #$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -j srv_rip
+#
+#        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in tap2 --physdev-out ${PUB_IF} -j srv_dhcp
+#        $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} --physdev-out tap2 -j srv_dhcp
+
+#
+#Less noise
+$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF}  -p udp --dport 519 --sport 520 -j DROP
+
+####### Input Chain ######
+$IPT -A INPUT -j blocker
+#Less noise
+$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -p tcp  --sport 3030 --dport 1024:65535 -j DROP
+$IPT -A INPUT -i ${WIFI_IF} -p udp  --sport 137 --dport 137 -j DROP
+$IPT -A INPUT -i ${WIFI_IF} -p udp  --sport 138 --dport 138 -j DROP
+
+$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_dns_in
+$IPT -A INPUT -i ${WIFI_IF} -d ${PUB_IP} -s ${WIFI_NET} -j srv_dns_in
+  
+$IPT -A INPUT -i ${BR_IF} -j srv_dhcp
+
+$IPT -A INPUT -i ${BR_IF} -s ${GW} -d ${PUB_IP}  -j srv_dhcp
+
+$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${DNS} -j cli_dns_in
+$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j cli_https_in
+$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j cli_http_in
+$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j cli_git_in
+$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j cli_ssh_in
+$IPT -A INPUT -i ${BR_IF} -m physdev --physdev-in tap3 -d ${PUB_IP} -j srv_ssh_in
+
+$IPT -A INPUT -i ${WIFI_IF} -s ${DNS} -j cli_dns_in
+$IPT -A INPUT -i ${WIFI_IF} -j cli_https_in
+$IPT -A INPUT -i ${WIFI_IF} -j cli_http_in
+$IPT -A INPUT -i ${WIFI_IF} -j cli_git_in
+$IPT -A INPUT -i ${WIFI_IF} -j cli_ssh_in
+
+####### Output Chain ######
+$IPT -A OUTPUT -j blocker
+
+#Less noise
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -p tcp --dport 3030 --sport 1024:65535 -j DROP
+
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -d ${DNS} -j cli_dns_out
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -d ${BR_NET} -j srv_dns_out
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -d ${BR_NET} -j srv_ssh_out
+
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -d ${BR_NET} -j cli_ssh_out
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -d ${BR_NET} -j cli_git_out
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -d ${BR_NET} -j cli_http_out
+
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -d ${BR_NET} -j srv_dhcp
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j cli_https_out
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j cli_http_out
+$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j cli_git_out
+
+
+$IPT -A OUTPUT -o ${WIFI_IF} -d ${DNS} -j cli_dns_out
+$IPT -A OUTPUT -o ${WIFI_IF} -d ${WIFI_NET} -j srv_dns_out
+$IPT -A OUTPUT -o ${WIFI_IF} -j srv_dns_out
+
+$IPT -A OUTPUT -o ${WIFI_IF} -j cli_ssh_out
+$IPT -A OUTPUT -o ${WIFI_IF} -j cli_git_out
+$IPT -A OUTPUT -o ${WIFI_IF} -j cli_https_out
+$IPT -A OUTPUT -o ${WIFI_IF} -j cli_http_out
+
+#$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j cli_ssh_out
+
+####### PostRouting Chain ######
+#Less noise
+#$IPT -t nat -A POSTROUTING -o lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT
+#$IPT -t nat -A POSTROUTING -o ${BR_IF} -s ${PUB_IP} -p tcp --dport 443 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
+#$IPT -t nat -A POSTROUTING -o ${BR_IF} -s ${PUB_IP} -d ${DNS} -p udp --dport 53 --sport 1024:65535 -j ACCEPT
+
+$IPT -t nat -A POSTROUTING -o ${WIFI_IF} -j MASQUERADE
+
+#$IPT -t nat -A POSTROUTING -j LOG --log-level 7 --log-prefix "iptables: POSTROUTING: "