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generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-12-25 04:42:42 +0000


 



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#!/bin/bash
echo "setting bridge 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
$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  ######
#$IPT -A FORWARD -i lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT
#$IPT -A FORWARD -o lo -s 127.0.0.0/8 -d 127.0.0.0/8 -j ACCEPT
#
## Allow all for BR_NET
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -s ${BR_NET} -d ${BR_NET} -j ACCEPT

## DHCP
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -s 0.0.0.0 -d 255.255.255.255 -j srv_dhcp

## 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

## allow output from BR_NET to external
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -s ${BR_NET} -j ACCEPT

$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -s ${DNS} -d ${PUB_IP} -j cli_dns_in
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j srv_http_in
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j srv_https_in
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j srv_ssh_in
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j srv_git_in
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j srv_ntp
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -p tcp --sport 443 --dport 1024:65535 -j ACCEPT

$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.3 -j cli_http_in
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.3 -p tcp --dport 1024:65535 --sport 1024:65535 -j ACCEPT
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_IF} -d 10.0.0.4 -j cli_http_in
##Less noise
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF}  -p udp --dport 519 --sport 520 -j DROP
$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF}  -p udp --dport 520 --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 ${BR_IF} -m physdev --physdev-in ${PUB_IF} -s ${GW} -p udp  --sport 137 --dport 137 -j ACCEPT
#$IPT -A INPUT -i ${BR_IF} -m physdev --physdev-in ${PUB_IF} -s ${GW} -p udp  --sport 137 --dport 137 -j ACCEPT
#$IPT -A INPUT -i ${BR_IF} -s ${BR_NET} -d 10.255.255.255 -p udp --sport 520 --dport 520 -j ACCEPT
#$IPT -A INPUT -i ${WIFI_IF} -p udp  --sport 137 --dport 137 -j ACCEPT
#$IPT -A INPUT -i ${WIFI_IF} -p udp  --sport 138 --dport 138 -j ACCEPT

$IPT -A INPUT -i ${BR_IF} -j srv_dhcp
$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_dns_in
$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_icmp
$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_ssh_in
$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -j cli_http_in

$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_git_in
$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j cli_ssh_in
$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j srv_ntp

#$IPT -A INPUT -i ${BR_IF} -m physdev --physdev-in ${WIFI_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_icmp
#$IPT -A INPUT -i ${WIFI_IF} -d ${PUB_IP} -s ${WIFI_NET} -j srv_dns_in
#$IPT -A INPUT -i ${BR_IF} -s ${GW} -d ${PUB_IP}  -j srv_dhcp
#$IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -j cli_http_in
#$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

## PXE server
#$IPT -A INPUT -i ${BR_IF} -p udp -d ${PUB_IP} -s ${BR_NET} --dport 69 --sport 1024:65535 -j ACCEPT
#$IPT -A INPUT -i ${BR_IF} -p udp -d ${PUB_IP} -s ${BR_NET} --dport 1024:65535 --sport 1024:65535 -j ACCEPT

######## Output Chain ######

##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 ${BR_NET} -j srv_dhcp
$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} -j srv_git_out
$IPT -A OUTPUT -o ${BR_IF} -j srv_icmp
#$IPT -A OUTPUT -o ${PUB_IF} -j srv_icmp

$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 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} -j cli_https_out
$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j cli_git_out
$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j cli_http_out
$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -j srv_ntp

#$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 ${WIFI_IF} -j srv_icmp

## PXE Server
#$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -d ${BR_NET} -p udp --dport 1024:65535 --sport 1024:65535 -j ACCEPT

######## 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: "

## log everything else and drop
ipt_log

iptables-save > /etc/iptables/bridge.v4