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Diffstat (limited to 'core/scripts/iptables.sh')
-rw-r--r-- | core/scripts/iptables.sh | 420 |
1 files changed, 0 insertions, 420 deletions
diff --git a/core/scripts/iptables.sh b/core/scripts/iptables.sh deleted file mode 100644 index 0516d94..0000000 --- a/core/scripts/iptables.sh +++ /dev/null @@ -1,420 +0,0 @@ -#!/bin/bash - -source /etc/iptables/iptables-conf.sh - -iptables_clear () { - echo "clear all iptables tables" - - iptables -F - iptables -X - iptables -t nat -F - iptables -t nat -X - iptables -t mangle -F - iptables -t mangle -X - iptables -t raw -F - iptables -t raw -X - iptables -t security -F - iptables -t security -X - iptables -N blocker - - iptables -N srv_dhcp - iptables -N srv_rip - iptables -N srv_icmp - iptables -N srv_dns_in - iptables -N srv_dns_out - iptables -N srv_http_in - iptables -N srv_http_out - iptables -N srv_https_in - iptables -N srv_https_out - iptables -N srv_ssh_in - iptables -N srv_ssh_out - iptables -N srv_git_in - iptables -N srv_git_out - iptables -N srv_db_in - iptables -N srv_db_out - - - iptables -N cli_dns_in - iptables -N cli_dns_out - iptables -N cli_http_in - iptables -N cli_http_out - iptables -N cli_https_in - iptables -N cli_https_out - iptables -N cli_ssh_in - iptables -N cli_ssh_out - iptables -N cli_pops_in - iptables -N cli_pops_out - iptables -N cli_smtps_in - iptables -N cli_smtps_out - iptables -N cli_irc_in - iptables -N cli_irc_out - iptables -N cli_ftp_in - iptables -N cli_ftp_out - iptables -N cli_git_in - iptables -N cli_git_out - iptables -N cli_gpg_in - iptables -N cli_gpg_out - - # Set Default Rules - iptables -P INPUT DROP - iptables -P FORWARD DROP - iptables -P OUTPUT DROP -} - -iptables_log () { - ## log everything else and drop - $IPT -A OUTPUT -j LOG --log-level 7 --log-prefix "iptables: OUTPUT: " - $IPT -A INPUT -j LOG --log-level 7 --log-prefix "iptables: INPUT: " - $IPT -A FORWARD -j LOG --log-level 7 --log-prefix "iptables: FORWARD: " -} - - -iptables_tables () { - echo "start adding tables..." - - ####### blocker Chain ###### - ## Block google dns - $IPT -A blocker -s 8.8.0.0/24 -j LOG --log-level 7 --log-prefix "iptables: blocker google: " - $IPT -A blocker -s 8.8.0.0/24 -j DROP - ## Block sync - $IPT -A blocker -p tcp ! --syn -m state --state NEW -m limit --limit 5/m --limit-burst 7 -j LOG --log-level 7 --log-prefix "iptables: drop sync: " - $IPT -A blocker -p tcp ! --syn -m state --state NEW -j DROP - ## Block Fragments - $IPT -A blocker -f -m limit --limit 5/m --limit-burst 7 -j LOG --log-level 4 --log-prefix "iptables: drop frag: " - $IPT -A blocker -f -j DROP - $IPT -A blocker -p tcp --tcp-flags ALL FIN,URG,PSH -j DROP - $IPT -A blocker -p tcp --tcp-flags ALL ALL -j DROP - $IPT -A blocker -p tcp --tcp-flags ALL NONE -m limit --limit 5/m --limit-burst 7 -j LOG --log-level 4 --log-prefix "iptables: drop null: " - $IPT -A blocker -p tcp --tcp-flags ALL NONE -j DROP # NULL packets - $IPT -A blocker -p tcp --tcp-flags SYN,RST SYN,RST -m limit --limit 5/m --limit-burst 7 -j LOG --log-level 4 --log-prefix "iptables: drop syn rst syn rst: " - $IPT -A blocker -p tcp --tcp-flags SYN,RST SYN,RST -j DROP - $IPT -A blocker -p tcp --tcp-flags SYN,FIN SYN,FIN -m limit --limit 5/m --limit-burst 7 -j LOG --log-level 4 --log-prefix "iptables: drop xmas: " - $IPT -A blocker -p tcp --tcp-flags SYN,FIN SYN,FIN -j DROP #XMAS - $IPT -A blocker -p tcp --tcp-flags FIN,ACK FIN -m limit --limit 5/m --limit-burst 7 -j LOG --log-level 4 --log-prefix "iptables: drop fin scan: " - $IPT -A blocker -p tcp --tcp-flags FIN,ACK FIN -j DROP # FIN packet scans - $IPT -A blocker -p tcp --tcp-flags ALL SYN,RST,ACK,FIN,URG -j DROP - #$IPT -A blocker -p tcp --tcp-flags ACK,FIN FIN -j DROP - #$IPT -A blocker -p tcp --tcp-flags ACK,PSH PSH -j DROP - #$IPT -A blocker -p tcp --tcp-flags ACK,URG URG -j DROP - #$IPT -A blocker -p tcp --tcp-flags FIN,RST FIN,RST -j DROP - #$IPT -A blocker -p tcp --tcp-flags SYN,FIN SYN,FIN -j DROP - #$IPT -A blocker -p tcp --tcp-flags SYN,RST SYN,RST -j DROP - #$IPT -A blocker -p tcp --tcp-flags ALL ALL -j DROP - #$IPT -A blocker -p tcp --tcp-flags ALL NONE -j DROP - #$IPT -A blocker -p tcp --tcp-flags ALL FIN,PSH,URG -j DROP - #$IPT -A blocker -p tcp --tcp-flags ALL SYN,FIN,PSH,URG -j DROP - #$IPT -A blocker -p tcp --tcp-flags ALL SYN,RST,ACK,FIN,URG -j DROP - ## Return to caller - $IPT -A blocker -j RETURN - - ######## DNS Server - #echo "server_in chain: Allow input to DNS Server" - $IPT -A srv_dns_in -p udp --dport 53 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A srv_dns_in -p tcp --dport 53 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A srv_dns_in -j RETURN - #echo "srv_dns_out chain: Allow output from DNS server" - $IPT -A srv_dns_out -p udp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT - $IPT -A srv_dns_out -p tcp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT - $IPT -A srv_dns_out -j RETURN - - ####### Database Server - $IPT -A srv_db_in -p tcp --dport 5432 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A srv_db_in -j RETURN - $IPT -A srv_db_out -p tcp --sport 5432 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A srv_db_out -j RETURN - - ####### SSH Server - - $IPT -A srv_ssh_in -p tcp --dport 2222 -m state --state NEW -m recent --set --name SSH -j ACCEPT - - $IPT -A srv_ssh_in -p tcp --dport 2222 -m recent \ - --update --seconds 60 --hitcount 4 --rttl \ - --name SSH -j LOG --log-prefix "${SPAMDROPMSG} SSH" - - $IPT -A srv_ssh_in -p tcp --dport 2222 -m recent --update --seconds 60 \ - --hitcount 4 --rttl --name SSH -j DROP - - $IPT -A srv_ssh_in -p tcp --dport 2222 --sport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - - $IPT -A srv_ssh_in -j RETURN - $IPT -A srv_ssh_out -p tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A srv_ssh_out -j RETURN - - ####### HTTP Server - $IPT -A srv_http_in -p tcp --dport 80 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A srv_http_in -j RETURN - $IPT -A srv_http_out -p tcp --sport 80 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT - $IPT -A srv_http_out -j RETURN - - ####### HTTPS Server - $IPT -A srv_https_in -p tcp --dport 443 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A srv_https_in -j RETURN - $IPT -A srv_https_out -p tcp --sport 443 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT - $IPT -A srv_https_out -j RETURN - - ###### GIT server - $IPT -A srv_git_in -p tcp --dport 9418 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A srv_git_in -j RETURN - $IPT -A srv_git_out -p tcp --sport 9418 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT - $IPT -A srv_git_out -j RETURN - - ######## DNS Client - $IPT -A cli_dns_out -p udp --dport 53 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_dns_out -j RETURN - $IPT -A cli_dns_in -p udp --sport 53 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_dns_in -j RETURN - - ######## HTTP Client - #$IPT -A cli_http_in -p tcp -m tcp --tcp-flags ACK --sport 80 --dport 1024:65535 -j DROP - - $IPT -A cli_http_in -p tcp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_http_in -p udp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_http_in -j RETURN - $IPT -A cli_http_out -p tcp --dport 80 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_http_out -p udp --dport 80 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_http_out -j RETURN - - ######## IRC client - $IPT -A cli_irc_in -p tcp --sport 6667 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_irc_in -j RETURN - $IPT -A cli_irc_out -p tcp --dport 6667 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_irc_out -j RETURN - - ######## FTP client - - $IPT -A cli_ftp_in -p tcp --sport 21 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_ftp_in -j RETURN - $IPT -A cli_ftp_out -p tcp --dport 21 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_ftp_out -j RETURN - ######## GIT client - $IPT -A cli_git_in -p tcp --sport 9418 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_git_in -j RETURN - $IPT -A cli_git_out -p tcp --dport 9418 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_git_out -j RETURN - - ######## POP3S client - $IPT -A cli_pops_in -p tcp --sport 995 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_pops_in -j RETURN - $IPT -A cli_pops_out -p tcp --dport 995 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_pops_out -j RETURN - - ######## SMTPS client - $IPT -A cli_smtps_in -p tcp --sport 465 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_smtps_in -j RETURN - $IPT -A cli_smtps_out -p tcp --dport 465 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_smtps_out -j RETURN - - ######## HTTPS client - $IPT -A cli_https_in -p tcp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_https_in -p udp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_https_in -j RETURN - $IPT -A cli_https_out -p tcp --dport 443 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_https_out -p udp --dport 443 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_https_out -j RETURN - - ######## SSH client - $IPT -A cli_ssh_in -p tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_ssh_in -p tcp --sport 22 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_ssh_in -j RETURN - $IPT -A cli_ssh_out -p tcp --dport 2222 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_ssh_out -p tcp --dport 22 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_ssh_out -j RETURN - - ######## GPG key client - $IPT -A cli_gpg_in -p tcp --sport 11371 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT - $IPT -A cli_gpg_in -j RETURN - $IPT -A cli_gpg_out -p tcp --dport 11371 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT - $IPT -A cli_gpg_out -j RETURN - - ######## DHCP Server - $IPT -A srv_dhcp -p udp --sport 68 --dport 67 -j ACCEPT - $IPT -A srv_dhcp -p udp --sport 67 --dport 68 -j ACCEPT - $IPT -A srv_dhcp -p udp --sport 67 --dport 67 -j ACCEPT - $IPT -A srv_dhcp -j RETURN - - ####### RIP Server - $IPT -A srv_rip -p udp --sport 520 --dport 520 -j ACCEPT - $IPT -A srv_rip -j RETURN - - ####### ICMP Server - $IPT -A srv_icmp -p icmp -j ACCEPT - $IPT -A srv_icmp -j RETURN -} - -case $TYPE in - bridge) - iptables_clear - iptables_tables - - echo "setting bridge 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 ###### - - ####### 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 - - $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 and Tap3 can access external http - $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 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 - - ####### 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 ${PUB_IF} -j srv_https_out - # - # #$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 - - # Tap1, Tap2 and Tap3 can access external https - $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_https_in - - $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} -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 - - #Less noise - $IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -m physdev --physdev-in ${PUB_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 ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -m physdev --physdev-in tap1 -j srv_dns_in - $IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -m physdev --physdev-in tap2 -j srv_dns_in - $IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -s ${BR_NET} -m physdev --physdev-in tap3 -j srv_dns_in - - $IPT -A INPUT -i ${BR_IF} -m physdev --physdev-in tap1 -j srv_dhcp - $IPT -A INPUT -i ${BR_IF} -m physdev --physdev-in tap2 -j srv_dhcp - $IPT -A INPUT -i ${BR_IF} -m physdev --physdev-in tap3 -j srv_dhcp - - $IPT -A INPUT -i ${BR_IF} -m physdev --physdev-in ${PUB_IF} -s ${GW} -d ${PUB_IP} -j srv_dhcp - - $IPT -A INPUT -i ${BR_IF} -d ${PUB_IP} -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 - - ####### 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 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 ${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 ${PRIV_IF} -j MASQUERADE - - ## log everything else and drop - iptables_log - - #$IPT -t nat -A POSTROUTING -j LOG --log-level 7 --log-prefix "iptables: POSTROUTING: " - # $IPT -t nat -A PREROUTING -j LOG --log-level 7 --log-prefix "iptables: PREROUTING: " - - iptables-save > /etc/iptables/net.v4 - exit 0 - ;; - - server) - iptables_clear - iptables_tables - - echo "setting server network..." - - # 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 - - ####### Input Chain ###### - $IPT -A INPUT -j blocker - - $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${DNS} -j cli_dns_in - $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_https_in - $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_ssh_in - $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${BR_NET} -j srv_git_in - #$IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -s ${BR_NET} -j cli_http_in - - - $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j srv_https_in - $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j cli_https_in - $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j srv_ssh_in - $IPT -A INPUT -i ${PUB_IF} -d ${PUB_IP} -j srv_git_in - - ####### Output Chain ###### - $IPT -A OUTPUT -j blocker - - $IPT -A OUTPUT -o ${PUB_IF} -d ${DNS} -s ${PUB_IP} -j cli_dns_out - #$IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -s ${PUB_IP} -j cli_http_out - $IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -s ${PUB_IP} -j srv_https_out - $IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -s ${PUB_IP} -j srv_ssh_out - $IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -s ${PUB_IP} -j srv_git_out - - $IPT -A OUTPUT -o ${PUB_IF} -s ${PUB_IP} -j cli_https_out - $IPT -A OUTPUT -o ${PUB_IF} -s ${PUB_IP} -j srv_https_out - - $IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -j srv_ssh_out - $IPT -A OUTPUT -o ${PUB_IF} -d ${BR_NET} -j srv_git_out - - ## log everything else and drop - iptables_log - - iptables-save > /etc/iptables/net.v4 - exit 0 - - ;; - *) - - echo "usage: $0 [start|stop|restart]" - ;; -esac - |