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Rules changed, now testing

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jelly Tomas
2026-03-20 09:04:00 +00:00
parent 3681888b5a
commit 2bdecf3cb1
1 changed files with 37 additions and 27 deletions
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64
ROUTER.sh
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@@ -23,6 +23,7 @@ eden="193.138.212.1"
# - smtp : 23.214.219.131
# - www : 23.214.219.132
# - vpn-gw: 23.214.219.133
# - mail: 23.214.219.134
# ==============================
# ==============================
@@ -35,7 +36,7 @@ eden="193.138.212.1"
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 enp0s3 87.248.214.97 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
@@ -51,36 +52,45 @@ iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT
sudo iptables -A INPUT -i lo -j ACCEPT
sudo iptables -A OUTPUT -o lo -j ACCEPT
sudo iptables -t nat -A POSTROUTING -o enp0s3 -j MASQUERADE
#DNS name resolution requests sent to outside servers and want a response:TODO:INPUT
sudo iptables -A FORWARD -i enp0s3 -p udp --sport 53 -m state --state ESTABLISHED,RELATED -j ACCEPT
#SSH connections to the router system that originate from the inside and want an answer:TODO:INPUT
sudo iptables -A FORWARD -i enp0s3 -o enp0s9 -p tcp --dport 22 -m state --state ESTABLISHED,RELATED -j ACCEPT
sudo iptables -A FORWARD -i enp0s3 -d 23.214.219.133 -p tcp --dport 22 -m state --state ESTABLISHED,RELATED -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 enp0s3 -s 23.214.219.130 -p udp --dport 53 -j ACCEPT
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 --dport 53 -j ACCEPT
sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p udp --dport 53 -m state --state ESTABLISHED,RELATED -j ACCEPT
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 enp0s3 -d 193.137.16.75 -p tcp --dport 53 -j ACCEPT
sudo iptables -A FORWARD -i enp0s3 -o enp0s8 -d 23.214.219.130 -p tcp --dport 53 -j ACCEPT
sudo iptables -A FORWARD -i enp0s8 -o enp0s10 -s 23.214.219.130 -p tcp --sport 53 -j ACCEPT
#SMTP connections to the smtp server and returns
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.131 -p tcp --dport 587 -j ACCEPT
sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p tcp --dport 587 -m state --state ESTABLISHED,RELATED -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.131 -p tcp --sport 587 -j ACCEPT #Changed
#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 23.214.219.132 -p tcp --dport 80 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.132 -p tcp --dport 443 -j ACCEPT
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
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.134 -p tcp --sport 143 -j ACCEPT #Changed
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.134 -p tcp --sport 110 -j ACCEPT #Changed
#HTTP and HTTPS connectins
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.132 -p tcp --sport 80 -j ACCEPT #Changed
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.132 -p tcp --sport 443 -j ACCEPT #Changed
#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 --dport 1194 -j ACCEPT
sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p udp --dport 1194 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.133 -p udp --sport 1194 -j ACCEPT #Changed
#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 -d 192.168.10.1 -p tcp --dport ftp -j ACCEPT
sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -d 192.168.10.2 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.133 -j ACCEPT
# Apartir daqui foi só para testar se as conecções funcionavam
sudo iptables -A FORWARD -i enp0s8 -s 23.214.219.130 -p tcp --sport 22
# Unsure these will work
sudo iptables -A FORWARD -i enp0s9 -d 23.214.219.131
sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -s 23.214.219.133 -d 192.168.10.1 -j ACCEPT
sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -s 23.214.219.133 -d 192.168.10.2 -j ACCEPT
#FTP da internet WORRIED
sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.1 -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
sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.2 -s $dns2 -p tcp --sport 22 -j ACCEPT
sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.2 -s $eden -p tcp --sport 22 -j ACCEPT
#enp0s9 to internet DNS, http, https, ssh, FTP(SERVERS??????(WHO INVITED THIS GUY))
sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p udp --sport 53 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 80 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 443 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 21 -j ACCEPT #MIGHT NOT BE ENOUGH