secret branch

ROUTER.sh

@@ -1,104 +1,69 @@
-# NETWORKS:
-# DMZ: 23.214.219.128/25
-# Internal: 192.168.10.0/24
-# 
-# MACHINES:
-# DNS2: 192.137.16.75
-# EDEN 193.138.212.1
-dns2="87.248.214.99"
-eden="87.248.214.100"
+IF_DMZ="enp0s8"
+IF_INT="enp0s9"
+IF_EXT="enp0s10"
+NET_DMZ="23.214.219.128/25"   
+NET_INT="192.168.10.0/24"    
+IP_EXT_FW="87.248.214.97"     
+IP_DMZ_FW="23.214.219.254"    
+IP_INT_FW="192.168.10.254"    
+IP_DMZ_DNS="23.214.219.130"
+IP_DMZ_SMTP="23.214.219.131"
+IP_DMZ_WWW="23.214.219.132"
+IP_DMZ_VPN_GW="23.214.219.133"
+IP_DMZ_MAIL="23.214.219.134"
+IP_INT_FTP="192.168.10.2"
+IP_INT_DATASTORE="192.168.10.3"
+IP_DNS2="193.137.16.75"       
+IP_EDEN="193.136.212.1"       
 
-# ==============================
-# Router 1
-# INTERFACES:
-# - Internet: 87.248.214.97
-# - DMZ: 23.214.219.254
-# - Internal: 192.168.10.254
-# ==============================
+sudo yum install epel-release -y
+sudo yum install suricata -y  
+sudo suricata-update
 
-# ==============================
-# DMZ /25
-# IP:
-# - dns : 23.214.219.130
-# - smtp : 23.214.219.131
-# - www : 23.214.219.132
-# - vpn-gw: 23.214.219.133
-# - mail: 23.214.219.134
-# ==============================
+sudo ifconfig $IF_DMZ $IP_DMZ_FW netmask 255.255.255.128
+sudo ifconfig $IF_INT $IP_INT_FW netmask 255.255.255.0
+sudo ifconfig $IF_EXT $IP_EXT_FW netmask 255.255.255.0
 
-# ==============================
-# Internal
-# IP:
-# ftp: 192.168.10.2
-# datastore : 192.168.10.3
-# DHCP Client : 192.168.10.4-5
-# ==============================
-
-sudo ifconfig enp0s8 23.214.219.254 netmask 255.255.255.128
-sudo ifconfig enp0s9 192.168.10.254 netmask 255.255.255.0
-sudo ifconfig enp0s10 87.248.214.97 netmask 255.255.255.0
-
-sudo yum install iptables-services -y
-sudo systemctl stop firewalld
-sudo systemctl disable firewalld
-sudo systemctl mask firewalld
-sudo systemctl enable iptables
 sudo iptables -F
 sudo iptables -t nat -F
 sudo iptables -t mangle -F
 sudo sysctl -w net.ipv4.ip_forward=1
-iptables -P INPUT DROP
-iptables -P FORWARD DROP
-iptables -P OUTPUT ACCEPT
+
+sudo iptables -P INPUT DROP      
+sudo iptables -P FORWARD DROP    
+sudo iptables -P OUTPUT ACCEPT
+
+sudo modprobe nf_conntrack_ftp
+sudo modprobe nf_nat_ftp
+
+sudo iptables -A FORWARD -j NFQUEUE --queue-num 0
 sudo iptables -A INPUT -i lo -j ACCEPT
-sudo iptables -A OUTPUT -o lo -j ACCEPT
-#sudo iptables -t nat -A POSTROUTING -i enp0s9 -o enp0s3 -j MASQUERADE #SUS
-sudo iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT #CAREFULL
-#DNS name resolution requests sent to outside servers and want a response:
-sudo iptables -A INPUT -i enp0s10 -p udp --sport 53 -j ACCEPT
-#SSH connections to the router system that originate from the inside and want an answer:
-sudo iptables -A INPUT -i enp0s9 -p tcp --sport 22 -j ACCEPT #TESTED
-sudo iptables -A INPUT -i enp0s8 -s 23.214.219.133 -p tcp --sport 22 -j ACCEPT #TESTED
-#The dns server should be able to resolve names using the internet (and others???)
-sudo iptables -A FORWARD -i enp0s8 -o enp0s10 -s 23.214.219.130 -p udp --sport 53 -j ACCEPT #NEED to test !!
-#The internal network should be able to send and recieve dns name resolutions to the dns server (1!)
-sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.130 -p udp --sport 53 -j ACCEPT #CORRECT AND TESTED WILL ACTIVATE WHEN YOU SEND FROM ENP0S9 to ENP0S8
-sudo iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT #THIS IS IMPORTANT AND MIGHT FUCK US
-#The dns and dns2 servers should be able to synchronize the contents of DNS zones. (protocol tcp port 53)
-sudo iptables -A FORWARD -i enp0s8 -o enp0s10 -s 23.214.219.130 -p tcp --sport 53 -j ACCEPT #NEED to test!
-#SMTP connections to the smtp server and returns
-sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.131 -p tcp --sport 587 -j ACCEPT #TESTED
-#sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p tcp --dport 587 -m state --state ESTABLISHED,RELATED -j ACCEPT
-#POP and IMAP connections to the www server
-sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.134 -p tcp --sport 143 -j ACCEPT #TESTED
-sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.134 -p tcp --sport 110 -j ACCEPT #TESTED
-#HTTP and HTTPS connectins
-sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.132 -p tcp --sport 80 -j ACCEPT #TESTED THROUGH NETCAT
-sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.132 -p tcp --sport 443 -j ACCEPT #TESTED THROUGH NETCAT
-#sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p tcp --dport 80 -m state --state ESTABLISHED,RELATED -j ACCEPT 
-#sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p tcp --dport 443 -m state --state ESTABLISHED,RELATED -j ACCEPT
-#OpenVPN connections to the vpn-gw server
-sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.133 -p udp --sport 1194 -j ACCEPT #NEDDS testing
-#sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p udp --dport 1194 -j ACCEPT
-#VPN clients connected to the gateway vpn-gw ???? vpn should be able to acess ftp e datastore
-sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -s 23.214.219.133 -d 192.168.10.2 -j ACCEPT #NEDDS testing
-sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -s 23.214.219.133 -d 192.168.10.3 -j ACCEPT #NEDDS testing
-#FTP da internet WORRIED ???
-sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.2 -p tcp --sport 21 -j ACCEPT #Changed
-sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 20 -j ACCEPT #MIGHT BE NEEDED
-#SSH CONNECTIONS datastore server but only from eden or dn2 DNAT -s servers, and port and -d interface
-sudo iptables -t nat -A PREROUTING -s $dn2 -d 87.248.214.97 -p tcp --dport 22 -j DNAT --to-destination 192.168.10.3
-sudo iptables -t nat -A PREROUTING -s $eden -d 87.248.214.97 -p tcp --dport 22 -j DNAT --to-destination 192.168.10.3
-sudo iptables -t nat -A PREROUTING -s $dn2 -d 87.248.214.97 -p tcp --sport 22 -j DNAT --to-destination 192.168.10.3
-sudo iptables -t nat -A PREROUTING -s $eden -d 87.248.214.97 -p tcp --sport 22 -j DNAT --to-destination 192.168.10.3
-sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.3 -s $dns2 -p tcp --sport 22 -j ACCEPT #Need to check and make diferent ip addresses
-sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.3 -s $eden -p tcp --sport 22 -j ACCEPT
-sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.3 -s $dns2 -p tcp --dport 22 -j ACCEPT #Need to check and make diferent ip addresses
-sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.3 -s $eden -p tcp --dport 22 -j ACCEPT
-#enp0s9 to internet DNS, http, https, ssh, FTP(SERVERS??????(WHO INVITED THIS GUY)) SNAT
-sudo iptables -t nat -A POSTROUTING -s 192.168.10.0/24 -o enp0s10 -j SNAT --to-source 87.248.214.97
-sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p udp --sport 53 -j ACCEPT #TESTED
-sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 80 -j ACCEPT #TESTED
-sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 443 -j ACCEPT #TESTED
-sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 21 -j ACCEPT #MIGHT NOT BE ENOUGH
-sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --dport 21 -j ACCEPT
+sudo iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
+sudo iptables -A INPUT -p udp --dport 53 -j ACCEPT
+sudo iptables -A INPUT -i $IF_INT -p tcp --dport 22 -j ACCEPT
+sudo iptables -A INPUT -i $IF_DMZ -s $IP_DMZ_VPN_GW -p tcp --dport 22 -j ACCEPT
+
+sudo iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
+sudo iptables -A FORWARD -p udp -d $IP_DMZ_DNS --dport 53 -j ACCEPT
+
+sudo iptables -A FORWARD -s $IP_DMZ_DNS -d $IP_DNS2 -p tcp --dport 53 -j ACCEPT
+sudo iptables -A FORWARD -s $IP_DNS2 -d $IP_DMZ_DNS -p tcp --dport 53 -j ACCEPT
+
+sudo iptables -A FORWARD -p tcp -d $IP_DMZ_SMTP --dport 25 -j ACCEPT   
+sudo iptables -A FORWARD -p tcp -d $IP_DMZ_MAIL --dport 110 -j ACCEPT  
+sudo iptables -A FORWARD -p tcp -d $IP_DMZ_MAIL --dport 143 -j ACCEPT  
+sudo iptables -A FORWARD -p tcp -d $IP_DMZ_WWW -m multiport --dports 80,443 -j ACCEPT 
+sudo iptables -A FORWARD -p udp -d $IP_DMZ_VPN_GW --dport 1194 -j ACCEPT 
+
+sudo iptables -A FORWARD -i $IF_DMZ -s $IP_DMZ_VPN_GW -d $NET_INT -j ACCEPT
+
+sudo iptables -t nat -A POSTROUTING -s $NET_INT -o $IF_EXT -j SNAT --to-source $IP_EXT_FW
+sudo iptables -A FORWARD -i $IF_INT -o $IF_EXT -p udp --dport 53 -j ACCEPT
+sudo iptables -A FORWARD -i $IF_INT -o $IF_EXT -p tcp -m multiport --dports 80,443,22,21 -j ACCEPT
+
+sudo iptables -t nat -A PREROUTING -i $IF_EXT -d $IP_EXT_FW -p tcp --dport 21 -j DNAT --to-destination $IP_INT_FTP
+sudo iptables -A FORWARD -i $IF_EXT -d $IP_INT_FTP -p tcp --dport 21 -j ACCEPT
+
+sudo iptables -t nat -A PREROUTING -i $IF_EXT -s $IP_EDEN -d $IP_EXT_FW -p tcp --dport 22 -j DNAT --to-destination $IP_INT_DATASTORE
+sudo iptables -t nat -A PREROUTING -i $IF_EXT -s $IP_DNS2 -d $IP_EXT_FW -p tcp --dport 22 -j DNAT --to-destination $IP_INT_DATASTORE
+sudo iptables -A FORWARD -i $IF_EXT -d $IP_INT_DATASTORE -p tcp --dport 22 -j ACCEPT