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authorSilvino Silva <silvino@bk.ru>2018-04-11 17:01:15 +0100
committerSilvino Silva <silvino@bk.ru>2018-04-11 17:01:15 +0100
commit4f0a749494c7d31b8d203490ec008918c8bacc87 (patch)
tree6d690512d0724d8b8386d8ae36715d03fd75fe56 /tools
parent50f9d4a5d286fff80b4df38136c45bde5abcd4c4 (diff)
downloaddoc-4f0a749494c7d31b8d203490ec008918c8bacc87.tar.gz
iptables moved to core
Diffstat (limited to 'tools')
-rw-r--r--tools/conf/etc/iptables/iptables-br.sh382
-rw-r--r--tools/conf/etc/iptables/vlan.v4136
-rwxr-xr-xtools/conf/etc/rc.d/iptables81
-rw-r--r--tools/network.html13
-rw-r--r--tools/openssh.html2
5 files changed, 11 insertions, 603 deletions
diff --git a/tools/conf/etc/iptables/iptables-br.sh b/tools/conf/etc/iptables/iptables-br.sh
deleted file mode 100644
index 96475f4..0000000
--- a/tools/conf/etc/iptables/iptables-br.sh
+++ /dev/null
@@ -1,382 +0,0 @@
-#!/bin/sh
-
-#
-#                                XXXXXXXXXXXXXXXXX
-#                                XXXX Network XXXX
-#                                XXXXXXXXXXXXXXXXX
-#                                        +
-#                                        |
-#                                        v
-#  +-------------+              +------------------+
-#  |table: filter| <---+        | table: nat       |
-#  |chain: INPUT |     |        | chain: PREROUTING|
-#  +-----+-------+     |        +--------+---------+
-#        |             |                 |
-#        v             |                 v
-#  [local process]     |           ****************          +--------------+
-#        |             +---------+ Routing decision +------> |table: filter |
-#        v                         ****************          |chain: FORWARD|
-# ****************                                           +------+-------+
-# Routing decision                                                  |
-# ****************                                                  |
-#        |                                                          |
-#        v                        ****************                  |
-# +-------------+       +------>  Routing decision  <---------------+
-# |table: nat   |       |         ****************
-# |chain: OUTPUT|       |               +
-# +-----+-------+       |               |
-#       |               |               v
-#       v               |      +-------------------+
-# +--------------+      |      | table: nat        |
-# |table: filter | +----+      | chain: POSTROUTING|
-# |chain: OUTPUT |             +--------+----------+
-# +--------------+                      |
-#                                       v
-#                               XXXXXXXXXXXXXXXXX
-#                               XXXX Network XXXX
-#                               XXXXXXXXXXXXXXXXX
-#
-# iptables [-t table] {-A|-C|-D} chain rule-specification
-#
-# iptables [-t table] {-A|-C|-D} chain  rule-specification
-#
-# iptables  [-t table] -I chain [rulenum] rule-specification
-#
-# iptables [-t table] -R chain rulenum  rule-specification
-#
-# iptables [-t table] -D chain rulenum
-#
-# iptables [-t table] -S [chain [rulenum]]
-#
-# iptables  [-t  table]  {-F|-L|-Z} [chain [rulenum]] [options...]
-#
-# iptables [-t table] -N chain
-#
-# iptables [-t table] -X [chain]
-#
-# iptables [-t table] -P chain target
-#
-# iptables [-t table]  -E  old-chain-name  new-chain-name
-#
-# rule-specification = [matches...] [target]
-#
-# match = -m matchname [per-match-options]
-#
-#
-# Targets
-#
-# can be a user defined chain
-#
-# ACCEPT - accepts the packet
-# DROP   - drop the packet on the floor
-# QUEUE  - packet will be stent to queue
-# RETURN - stop traversing this chain and
-#          resume ate the next rule in the
-#          previeus (calling) chain.
-#
-# if packet reach the end of the chain or
-# a target RETURN, default policy for that
-# chain is applayed.
-#
-# Target Extensions
-#
-# AUDIT
-# CHECKSUM
-# CLASSIFY
-# DNAT
-# DSCP
-# LOG
-#     Torn on kernel logging, will print some
-#     some information on all matching packets.
-#     Log data can be read with dmesg or syslogd.
-#     This is a non-terminating target and a rule
-#     should be created with matching criteria.
-#
-#     --log-level level
-#           Level of logging (numeric or see sys-
-#           log.conf(5)
-#
-#     --log-prefix prefix
-#           Prefix log messages with specified prefix
-#           up to 29 chars log
-#
-#     --log-uid
-#           Log the userid of the process with gener-
-#           ated the packet
-# NFLOG
-#     This target pass the packet to loaded logging
-#     backend to log the packet. One or more userspace
-#     processes may subscribe to the group to receive
-#     the packets.
-#
-# ULOG
-#     This target provides userspace logging of maching
-#     packets. One or more userspace processes may then
-#     then subscribe to various multicast groups and
-#     then receive the packets.
-#
-#
-# Commands
-#
-# -A, --append chain rule-specification
-# -C, --check chain rule-specification
-# -D, --delete chain rule-specification
-# -D, --delete chain rulenum
-# -I, --insert chain [rulenum] rule-specification
-# -R, --replace chain rulenum rule-specification
-# -L, --list [chain]
-# -P, --policy chain target
-#
-# Parameters
-#
-# -p, --protocol protocol
-#       tcp, udp, udplite, icmp, esp, ah, sctp, all
-# -s, --source address[/mask][,...]
-# -d, --destination address[/mask][,...]
-# -j, --jump target
-# -g, --goto chain
-# -i, --in-interface name
-# -o, --out-interface name
-# -f, --fragment
-# -m, --match options module-name
-#       iptables can use extended packet matching
-#       modules.
-# -c, --set-counters packets bytes
-
-IPT="/usr/sbin/iptables"
-SPAMLIST="blockedip"
-SPAMDROPMSG="BLOCKED IP DROP"
-# public interface to network/internet
-#PUB_IF="wlp7s0"
-PUB_IF="enp8s0"
-BR_IF="br0"
-PUB_IP="10.0.0.254"
-NET_ADDR="10.0.0.0/8"
-GW="10.0.0.1"
-# private interface for virtual/internal
-PRIV_IF="wlp7s0"
-PRIV_IP="192.168.1.33"
-
-echo "Stopping ipv4 firewall and deny everyone..."
-
-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 netconf_in
-iptables -N netconf_out
-iptables -N server_in
-iptables -N server_out
-iptables -N client_in
-iptables -N client_out
-
-# Set Default Rules
-iptables -P INPUT DROP
-iptables -P FORWARD DROP
-iptables -P OUTPUT DROP
-
-echo "Starting ipv4 firewall 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 ${PUB_IP} -j ACCEPT
-
-#modprobe ip_conntrack
-#modprobe ip_conntrack_ftp
-#echo 1 > /proc/sys/net/ipv4/ip_forward
-
-####### blocker Chain  ######
-## Block google dns
-$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
-## Return to caller
-$IPT -A blocker -j RETURN
-
-####### server input Chain  ######
-echo "server_in chain: Allow to VNC Server"
-$IPT -A server_in -p tcp --dport 5900 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "server_in chain: Allow to DataBase Server"
-$IPT -A server_in -p tcp --dport 5432 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "server_in chain: Allow to SSH server"
-$IPT -A server_in -p tcp --dport 2222 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "server_in chain: Allow input to HTTPS Server"
-$IPT -A server_in -p tcp --dport 443 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "server_in chain: Allow input to HTTP Server"
-$IPT -A server_in -p tcp --dport 80 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "server_in chain: Allow input to DNS Server"
-$IPT -A server_in -p udp --dport 53 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-$IPT -A server_in -p tcp --dport 53 --sport 1024:65535  -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "server_in chain: Allow output from GIT server"
-$IPT -A server_in -p tcp --dport 9418 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-
-## Return to caller
-$IPT -A server_in -j RETURN
-
-####### server output Chain  ######
-echo "server_out chain: Allow output from DNS server"
-$IPT -A server_out -p udp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
-$IPT -A server_out -p tcp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
-echo "server_out chain: Allow output from GIT server"
-$IPT -A server_out -p tcp --sport 9418 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
-echo "server_out chain: Allow output from https server"
-$IPT -A server_out -p tcp --sport 443 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
-echo "server_out chain: Allow output from http server"
-$IPT -A server_out -p tcp --sport 80 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
-echo "server_out chain: Allow output from SSH server"
-$IPT -A server_out -p tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "server_out chain: Allow output from Data Base server"
-$IPT -A server_out -p tcp --sport 5432 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "FORWARD chain: Allow output from VNC server"
-$IPT -A server_out -p tcp --sport 5900 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
-
-## Return to caller
-$IPT -A server_out -j RETURN
-
-####### client input Chain  ######
-echo "client_in chain: Allow input from IRC server"
-$IPT -A client_in -p tcp --sport 6667 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "client_in chain: Allow input from FTP server"
-$IPT -A client_in -p tcp --sport 21 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "client_in chain: Allow input from GIT server"
-$IPT -A client_in -p tcp --sport 9418 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "client_in chain: Allow input from POP3S server"
-$IPT -A client_in -p tcp --sport 995 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "client_in chain: Allow input from SMTPS server"
-$IPT -A client_in -p tcp --sport 465 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "client_in chain: Allow input from HTTP Server"
-$IPT -A client_in -p tcp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "client_in chain: Allow input from HTTPS server"
-$IPT -A client_in -p tcp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-#$IPT -A client_in -p udp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "client_in chain: Allow input from DNS Server"
-$IPT -A client_in -p udp --sport 53 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "client_in chain: Allow input from SSH Server"
-$IPT -A client_in -p tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-$IPT -A client_in -p tcp --sport 22 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-echo "client_in chain: Allow input from GPG key Server"
-$IPT -A client_in -p tcp --sport 11371 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
-
-## Return to caller
-$IPT -A client_in -j RETURN
-
-####### client output Chain  ######
-echo "client_out chain: Allow output to IRC  server"
-$IPT -A client_out -p tcp --dport 6667 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "client_out chain: Allow output to FTP server"
-$IPT -A client_out -p tcp --dport 21 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "client_out chain: Allow output to GIT server"
-$IPT -A client_out -p tcp --dport 9418 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "client_out chain: Allow output to POP3S server"
-$IPT -A client_out -p tcp --dport 995 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "client_out chain: Allow output to SMTPS server"
-$IPT -A client_out -p tcp --dport 465 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "client_out chain: Allow output to HTTPS server"
-$IPT -A client_out -p tcp --dport 443 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-$IPT -A client_out -p udp --dport 443 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "Allow to HTTP server"
-$IPT -A client_out -p tcp --dport 80 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "client_out chain: Allow output to DNS server"
-$IPT -A client_out -p udp --dport 53 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "client_out chain: Allow output to SSH server"
-$IPT -A client_out -p tcp --dport 2222 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-$IPT -A client_out -p tcp --dport 22 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-echo "client_out chain: Allow output to GPG key Server"
-$IPT -A client_out -p tcp --dport 11371 --sport 1024:65535 -m state --state NEW,ESTABLISHED -j ACCEPT
-
-
-## Return to caller
-$IPT -A client_out -j RETURN
-
-
-####### netconf input Chain  ######
-echo "netconf_in chain: Allow DHCP protocol"
-$IPT -A netconf_in -p udp --sport 68 --dport 67 -j ACCEPT
-echo "netconf_in chain: Allow RIP protocol for ${NET_ADDR}"
-$IPT -A netconf_in -p udp --sport 520 --dport 520 -s ${NET_ADDR} -d ${NET_ADDR} -j ACCEPT
-#echo "netconf chain: Allow ICMP from ${NET_ADDR}"
-#$IPT -A netconf_in -p icmp -s ${NET_ADDR} -j ACCEPT
-echo "netconf_in chain: Allow ICMP from all"
-$IPT -A netconf_in -p icmp -j LOG --log-level 7 --log-prefix "iptables: netconf_in ICMP: "
-$IPT -A netconf_in -p icmp -j ACCEPT
-
-## Return to caller
-$IPT -A netconf_in -j RETURN
-
-
-####### netconf output Chain  ######
-echo "netconf_out chain: Allow output from DHCP server"
-$IPT -A netconf_out -p udp --sport 67 --dport 68 -s ${NET_ADDR} -d ${NET_ADDR} -j ACCEPT
-echo "netconf_out chain: Allow RIP protocol for ${NET_ADDR}"
-$IPT -A netconf_out -p udp --sport 520 --dport 520 -s ${NET_ADDR} -d ${NET_ADDR} -j ACCEPT
-#echo "netconf chain: Allow ICMP output to ${NET_ADDR}"
-#$IPT -A netconf_out -p icmp -d ${NET_ADDR} -j ACCEPT
-echo "netconf chain: Allow ICMP output to all"
-$IPT -A netconf_out -p icmp -j LOG --log-level 7 --log-prefix "iptables: netconf_out ICMP: "
-$IPT -A netconf_out -p icmp -j ACCEPT
-
-## Return to caller
-$IPT -A netconf_out -j RETURN
-
-####### AP rules  ######
-$IPT -A FORWARD -j blocker
-#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -s ${NET_ADDR} -d ${NET_ADDR}  -j ACCEPT
-$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -d ${NET_ADDR} -j netconf_in
-$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -d ${NET_ADDR} -j netconf_out
-$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -d ${NET_ADDR} -j client_in
-$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -s ${NET_ADDR} -j client_out
-#$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -d ${NET_ADDR} -j server_in
-$IPT -A FORWARD -i ${BR_IF} -o ${BR_IF} -s ${NET_ADDR} -j server_out
-
-#$IPT -t nat -A POSTROUTING -o ${BR_IF} -j SNAT --to ${PUB_IP}
-
-####### Input Chain ######
-$IPT -A INPUT -j blocker
-$IPT -A INPUT -i ${BR_IF} -s ${NET_ADDR} -d ${PUB_IP} -j server_in
-$IPT -A INPUT -i ${BR_IF} -d ${NET_ADDR} -j client_in
-$IPT -A INPUT -i ${BR_IF} -j netconf_in
-
-####### Output Chain ######
-$IPT -A OUTPUT -j blocker
-$IPT -A OUTPUT -o ${BR_IF} -s ${PUB_IP} -d ${NET_ADDR} -j server_out
-$IPT -A OUTPUT -o ${BR_IF} -s ${NET_ADDR} -j client_out
-$IPT -A OUTPUT -o ${BR_IF} -j netconf_out
-
-
-## log everything else and drop
-$IPT -A INPUT -j LOG --log-level 7 --log-prefix "iptables: INPUT: "
-$IPT -A OUTPUT -j LOG --log-level 7 --log-prefix "iptables: OUTPUT: "
-$IPT -A FORWARD -j LOG --log-level 7 --log-prefix "iptables: FORWARD: "
-
-exit 0
diff --git a/tools/conf/etc/iptables/vlan.v4 b/tools/conf/etc/iptables/vlan.v4
deleted file mode 100644
index 61da499..0000000
--- a/tools/conf/etc/iptables/vlan.v4
+++ /dev/null
@@ -1,136 +0,0 @@
-# Generated by iptables-save v1.6.2 on Tue Apr  3 02:25:27 2018
-*security
-:INPUT ACCEPT [0:0]
-:FORWARD ACCEPT [0:0]
-:OUTPUT ACCEPT [0:0]
-COMMIT
-# Completed on Tue Apr  3 02:25:27 2018
-# Generated by iptables-save v1.6.2 on Tue Apr  3 02:25:27 2018
-*raw
-:PREROUTING ACCEPT [0:0]
-:OUTPUT ACCEPT [0:0]
-COMMIT
-# Completed on Tue Apr  3 02:25:27 2018
-# Generated by iptables-save v1.6.2 on Tue Apr  3 02:25:27 2018
-*nat
-:PREROUTING ACCEPT [0:0]
-:INPUT ACCEPT [0:0]
-:OUTPUT ACCEPT [0:0]
-:POSTROUTING ACCEPT [0:0]
-COMMIT
-# Completed on Tue Apr  3 02:25:27 2018
-# Generated by iptables-save v1.6.2 on Tue Apr  3 02:25:27 2018
-*mangle
-:PREROUTING ACCEPT [0:0]
-:INPUT ACCEPT [0:0]
-:FORWARD ACCEPT [0:0]
-:OUTPUT ACCEPT [0:0]
-:POSTROUTING ACCEPT [0:0]
-COMMIT
-# Completed on Tue Apr  3 02:25:27 2018
-# Generated by iptables-save v1.6.2 on Tue Apr  3 02:25:27 2018
-*filter
-:INPUT DROP [0:0]
-:FORWARD DROP [0:0]
-:OUTPUT DROP [0:0]
-:blocker - [0:0]
-:client_in - [0:0]
-:client_out - [0:0]
-:netconf_in - [0:0]
-:netconf_out - [0:0]
-:server_in - [0:0]
-:server_out - [0:0]
--A INPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -i lo -j ACCEPT
--A INPUT -s 10.0.0.254/32 -d 10.0.0.254/32 -i lo -j ACCEPT
--A INPUT -j blocker
--A INPUT -s 10.0.0.0/8 -d 10.0.0.254/32 -i br0 -j server_in
--A INPUT -d 10.0.0.0/8 -i br0 -j client_in
--A INPUT -i br0 -j netconf_in
--A INPUT -j LOG --log-prefix "iptables: INPUT: " --log-level 7
--A FORWARD -j blocker
--A FORWARD -d 10.0.0.0/8 -i br0 -o br0 -j netconf_in
--A FORWARD -d 10.0.0.0/8 -i br0 -o br0 -j netconf_out
--A FORWARD -d 10.0.0.0/8 -i br0 -o br0 -j client_in
--A FORWARD -s 10.0.0.0/8 -i br0 -o br0 -j client_out
--A FORWARD -s 10.0.0.0/8 -i br0 -o br0 -j server_out
--A FORWARD -j LOG --log-prefix "iptables: FORWARD: " --log-level 7
--A OUTPUT -s 127.0.0.0/8 -d 127.0.0.0/8 -o lo -j ACCEPT
--A OUTPUT -s 10.0.0.254/32 -d 10.0.0.254/32 -o lo -j ACCEPT
--A OUTPUT -j blocker
--A OUTPUT -s 10.0.0.254/32 -d 10.0.0.0/8 -o br0 -j server_out
--A OUTPUT -s 10.0.0.0/8 -o br0 -j client_out
--A OUTPUT -o br0 -j netconf_out
--A OUTPUT -j LOG --log-prefix "iptables: OUTPUT: " --log-level 7
--A blocker -s 8.8.0.0/24 -j LOG --log-prefix "iptables: blocker google: " --log-level 7
--A blocker -s 8.8.0.0/24 -j DROP
--A blocker -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop sync: " --log-level 7
--A blocker -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -m state --state NEW -j DROP
--A blocker -f -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop frag: "
--A blocker -f -j DROP
--A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,PSH,URG -j DROP
--A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,PSH,ACK,URG -j DROP
--A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop null: "
--A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG NONE -j DROP
--A blocker -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop syn rst syn rs"
--A blocker -p tcp -m tcp --tcp-flags SYN,RST SYN,RST -j DROP
--A blocker -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop xmas: "
--A blocker -p tcp -m tcp --tcp-flags FIN,SYN FIN,SYN -j DROP
--A blocker -p tcp -m tcp --tcp-flags FIN,ACK FIN -m limit --limit 5/min --limit-burst 7 -j LOG --log-prefix "iptables: drop fin scan: "
--A blocker -p tcp -m tcp --tcp-flags FIN,ACK FIN -j DROP
--A blocker -p tcp -m tcp --tcp-flags FIN,SYN,RST,PSH,ACK,URG FIN,SYN,RST,ACK,URG -j DROP
--A blocker -j RETURN
--A client_in -p tcp -m tcp --sport 6667 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -p tcp -m tcp --sport 21 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -p tcp -m tcp --sport 9418 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -p tcp -m tcp --sport 995 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -p tcp -m tcp --sport 465 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -p tcp -m tcp --sport 80 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -p tcp -m tcp --sport 443 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -p udp -m udp --sport 53 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -p tcp -m tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -p tcp -m tcp --sport 22 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -p tcp -m tcp --sport 11371 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A client_in -j RETURN
--A client_out -p tcp -m tcp --sport 1024:65535 --dport 6667 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p tcp -m tcp --sport 1024:65535 --dport 21 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p tcp -m tcp --sport 1024:65535 --dport 9418 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p tcp -m tcp --sport 1024:65535 --dport 995 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p tcp -m tcp --sport 1024:65535 --dport 465 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p tcp -m tcp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p udp -m udp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p tcp -m tcp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p udp -m udp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p tcp -m tcp --sport 1024:65535 --dport 2222 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p tcp -m tcp --sport 1024:65535 --dport 22 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -p tcp -m tcp --sport 1024:65535 --dport 11371 -m state --state NEW,ESTABLISHED -j ACCEPT
--A client_out -j RETURN
--A netconf_in -p udp -m udp --sport 68 --dport 67 -j ACCEPT
--A netconf_in -s 10.0.0.0/8 -d 10.0.0.0/8 -p udp -m udp --sport 520 --dport 520 -j ACCEPT
--A netconf_in -p icmp -j LOG --log-prefix "iptables: netconf_in ICMP: " --log-level 7
--A netconf_in -p icmp -j ACCEPT
--A netconf_in -j RETURN
--A netconf_out -s 10.0.0.0/8 -d 10.0.0.0/8 -p udp -m udp --sport 67 --dport 68 -j ACCEPT
--A netconf_out -s 10.0.0.0/8 -d 10.0.0.0/8 -p udp -m udp --sport 520 --dport 520 -j ACCEPT
--A netconf_out -p icmp -j LOG --log-prefix "iptables: netconf_out ICMP: " --log-level 7
--A netconf_out -p icmp -j ACCEPT
--A netconf_out -j RETURN
--A server_in -p tcp -m tcp --sport 1024:65535 --dport 5900 -m state --state NEW,ESTABLISHED -j ACCEPT
--A server_in -p tcp -m tcp --sport 1024:65535 --dport 5432 -m state --state NEW,ESTABLISHED -j ACCEPT
--A server_in -p tcp -m tcp --sport 1024:65535 --dport 2222 -m state --state NEW,ESTABLISHED -j ACCEPT
--A server_in -p tcp -m tcp --sport 1024:65535 --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT
--A server_in -p tcp -m tcp --sport 1024:65535 --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT
--A server_in -p udp -m udp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT
--A server_in -p tcp -m tcp --sport 1024:65535 --dport 53 -m state --state NEW,ESTABLISHED -j ACCEPT
--A server_in -p tcp -m tcp --sport 1024:65535 --dport 9418 -m state --state NEW,ESTABLISHED -j ACCEPT
--A server_in -j RETURN
--A server_out -p udp -m udp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
--A server_out -p tcp -m tcp --sport 53 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
--A server_out -p tcp -m tcp --sport 9418 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
--A server_out -p tcp -m tcp --sport 443 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
--A server_out -p tcp -m tcp --sport 80 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
--A server_out -p tcp -m tcp --sport 2222 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A server_out -p tcp -m tcp --sport 5432 --dport 1024:65535 -m state --state ESTABLISHED -j ACCEPT
--A server_out -p tcp -m tcp --sport 5900 --dport 1024:65535 -m state --state RELATED,ESTABLISHED -j ACCEPT
--A server_out -j RETURN
-COMMIT
-# Completed on Tue Apr  3 02:25:27 2018
diff --git a/tools/conf/etc/rc.d/iptables b/tools/conf/etc/rc.d/iptables
deleted file mode 100755
index 23f5485..0000000
--- a/tools/conf/etc/rc.d/iptables
+++ /dev/null
@@ -1,81 +0,0 @@
-#!/bin/sh
-#
-# /etc/rc.d/iptables: load/unload iptable rules
-#
-
-#rules=rules.v4
-rules=vlan.v4
-
-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
-}
-
-case $1 in
-    start)
-        iptables_clear
-        echo "starting IPv4 firewall filter table..."
-        /usr/sbin/iptables-restore < /etc/iptables/${rules}
-        ;;
-    stop)
-        iptables_clear
-        echo "stopping firewall and deny everyone..."
-        /usr/sbin/iptables -P INPUT DROP
-        /usr/sbin/iptables -P FORWARD DROP
-        /usr/sbin/iptables -P OUTPUT DROP
-
-        # Unlimited on local
-        /usr/sbin/iptables -A INPUT -i lo -j ACCEPT
-        /usr/sbin/iptables -A OUTPUT -o lo -j ACCEPT
-
-        # log everything else and drop
-        /usr/sbin/iptables -A INPUT -j LOG --log-level 7 --log-prefix "iptables: INPUT: "
-        /usr/sbin/iptables -A OUTPUT -j LOG --log-level 7 --log-prefix "iptables: OUTPUT: "
-        /usr/sbin/iptables -A FORWARD -j LOG --log-level 7 --log-prefix "iptables: FORWARD: "
-
-        ;;
-    open)
-        iptables_clear
-        echo "outgoing Open firewall and deny everyone..."
-
-        /usr/sbin/iptables -P INPUT DROP
-        /usr/sbin/iptables -P FORWARD DROP
-        /usr/sbin/iptables -P OUTPUT ACCEPT
-
-        /usr/sbin/iptables -A OUTPUT -j ACCEPT
-
-        # Unlimited on local
-        /usr/sbin/iptables -A INPUT -i lo -j ACCEPT
-        /usr/sbin/iptables -A OUTPUT -o lo -j ACCEPT
-
-        # Accept passive
-        /usr/sbin/iptables -A INPUT -p tcp --dport 1024: -m state --state ESTABLISHED,RELATED -j ACCEPT
-        /usr/sbin/iptables -A INPUT -p udp --dport 1024: -m state --state ESTABLISHED,RELATED -j ACCEPT
-
-        # log everything else and drop
-        /usr/sbin/iptables -A INPUT -j LOG --log-level 7 --log-prefix "iptables: INPUT: "
-        /usr/sbin/iptables -A OUTPUT -j LOG --log-level 7 --log-prefix "iptables: OUTPUT: "
-        /usr/sbin/iptables -A FORWARD -j LOG --log-level 7 --log-prefix "iptables: FORWARD: "
-
-        ;;
-
-    restart)
-        $0 stop
-        $0 start
-        ;;
-    *)
-
-        echo "usage: $0 [start|stop|restart]"
-        ;;
-esac
-
-# End of file
diff --git a/tools/network.html b/tools/network.html
index c4e99f6..31ca60b 100644
--- a/tools/network.html
+++ b/tools/network.html
@@ -53,10 +53,17 @@
         # End of file
         </pre>
 
-        <p>Change iptables script rules from core to
-        <a href="conf/etc/rc.d/iptables">/etc/rc.d/iptables</a>
+        <p>Change iptables init script
+        <a href="../core/conf/rc.d/iptables">/etc/rc.d/iptables</a>
         to load new rules from
-        <a href="conf/etc/iptables/vlan.v4">/etc/iptables/vlan.v4</a></p>
+        <a href="../core/conf/iptables/br-lan.v4">/etc/iptables/br-lan.v4</a>.
+        Now change <a href="../core/scripts/iptables-br.sh">iptables-br.sh</a>
+        with your network configuration and run;
+        </p>
+
+        <pre>
+        # bash core/scripts/iptables-br.sh
+        </pre>
 
         <a href="index.html">Tools Index</a>
         <p>This is part of the c9 Manual.
diff --git a/tools/openssh.html b/tools/openssh.html
index 96e1653..c70a5f5 100644
--- a/tools/openssh.html
+++ b/tools/openssh.html
@@ -128,7 +128,7 @@
         <h3 id="iptables">1.2. Configure iptables</h3>
         <p>Iptables;</p>
 
-        <p>Example of <a href="scripts/system-iptables.sh">system-iptables.sh</a></p>
+        <p>Example of <a href="../core/scripts/iptables.sh">iptables.sh</a></p>
 
         <pre>
         $IPT -A INPUT  -i ${PUB_IF} -p tcp --dport 2222 --sport 1024:65535 -m state --state ESTABLISHED -j ACCEPT