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compare: vasco:ce074907d0518553be0435f859c6dd67fc45470f
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2 Commits
992a2b90d1 ... ce074907d0

Author SHA1 Message Date
vascoalvesxyz
ce074907d0 mergeee!! 2026-03-24 11:08:52 +00:00
vascoalvesxyz
a032cdea75 variables 2026-03-24 11:07:33 +00:00
1 changed files with 70 additions and 65 deletions
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135
ROUTER.sh
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@@ -1,42 +1,33 @@
# NETWORKS: #!/bin/bash
# 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" dns2="87.248.214.99"
eden="87.248.214.100" eden="87.248.214.100"
# ==============================
# Router 1 # Router 1
# INTERFACES: dmzIP="23.214.219.254"
# - Internet: 87.248.214.97 internalIP="192.168.10.254"
# - DMZ: 23.214.219.254 externalIP="87.248.214.97"
# - Internal: 192.168.10.254
# ==============================
# ==============================
# DMZ /25 # DMZ /25
# IP: dns="23.214.219.130"
# - dns : 23.214.219.130 smtp="23.214.219.131"
# - smtp : 23.214.219.131 www="23.214.219.132"
# - www : 23.214.219.132 vpn_gw="23.214.219.133"
# - vpn-gw: 23.214.219.133 mail="23.214.219.134"
# - mail: 23.214.219.134
# ==============================
# ==============================
# Internal # Internal
# IP: ftp="192.168.10.2"
# ftp: 192.168.10.2 datastore="192.168.10.3"
# datastore : 192.168.10.3 dhcpClient="192.168.10.4"
# DHCP Client : 192.168.10.4-5
# ==============================
sudo ifconfig enp0s8 23.214.219.254 netmask 255.255.255.128 # Interfaces
sudo ifconfig enp0s9 192.168.10.254 netmask 255.255.255.0 dmzIF="enp0s8"
sudo ifconfig enp0s10 87.248.214.97 netmask 255.255.255.0 internalIF="enp0s9"
externalIF="enp0s10"
sudo ifconfig $dmzIF $dmzIP netmask 255.255.255.128
sudo ifconfig $internalIF $internalIP netmask 255.255.255.0
sudo ifconfig $externalIF $externalIP netmask 255.255.255.0
sudo yum install iptables-services -y sudo yum install iptables-services -y
sudo systemctl stop firewalld sudo systemctl stop firewalld
@@ -52,50 +43,64 @@ iptables -P FORWARD DROP
iptables -P OUTPUT ACCEPT iptables -P OUTPUT ACCEPT
sudo iptables -A INPUT -i lo -j ACCEPT sudo iptables -A INPUT -i lo -j ACCEPT
sudo iptables -A OUTPUT -o 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 -t nat -A POSTROUTING -i $internalIF -o enp0s3 -j MASQUERADE #SUS
sudo iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT #CAREFULL 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 $externalIF -p udp --dport 53 -j ACCEPT
#SSH connections to the router system that originate from the inside and want an answer:
sudo iptables -A INPUT -i $internalIF -p tcp --dport 22 -j ACCEPT
sudo iptables -A INPUT -i $dmzIF -s $vpn_gw -p tcp --dport 22 -j ACCEPT
#The dns server should be able to resolve names using the internet (and others???)
sudo iptables -I FORWARD -j NFQUEUE --queue-bypass sudo iptables -I FORWARD -j NFQUEUE --queue-bypass
sudo iptables -I INPUT -j NFQUEUE --queue-bypass sudo iptables -I INPUT -j NFQUEUE --queue-bypass
#DNS name resolution requests sent to outside servers and want a response: sudo iptables -A FORWARD -i $dmzIF -o $externalIF -s $dns -p udp --dport 53 -j ACCEPT
sudo iptables -A INPUT -i enp0s10 -p udp --dport 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 --dport 22 -j ACCEPT
sudo iptables -A INPUT -i enp0s8 -s 23.214.219.133 -p tcp --dport 22 -j ACCEPT
#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 --dport 53 -j ACCEPT
#The internal network should be able to send and recieve dns name resolutions to the dns server (1!) #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 $internalIF -o $dmzIF -d $dns -p udp --dport 53 -j ACCEPT
sudo iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT 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) #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 --dport 53 -j ACCEPT sudo iptables -A FORWARD -i $dmzIF -o $externalIF -s $dns -p tcp --dport 53 -j ACCEPT
#SMTP connections to the smtp server and returns #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 $internalIF -o $dmzIF -d $smtp -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 $dmzIF -o $internalIF -p tcp --dport 587 -m state --state ESTABLISHED,RELATED -j ACCEPT
#POP and IMAP connections to the www server #POP and IMAP connections to the www server
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.134 -p tcp --dport 143 -j ACCEPT sudo iptables -A FORWARD -i $internalIF -o $dmzIF -d $mail -p tcp --dport 143 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.134 -p tcp --dport 110 -j ACCEPT sudo iptables -A FORWARD -i $internalIF -o $dmzIF -d $mail -p tcp --dport 110 -j ACCEPT
#HTTP and HTTPS connectins #HTTP and HTTPS connectins
sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.132 -p tcp --dport 80 -j ACCEPT sudo iptables -A FORWARD -i $internalIF -o $dmzIF -d $www -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 $internalIF -o $dmzIF -d $www -p tcp --dport 443 -j ACCEPT
#OpenVPN connections to the vpn-gw server #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 $internalIF -o $dmzIF -d $vpn_gw -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 $dmzIF -o $internalIF -p udp --dport 1194 -j ACCEPT
#VPN clients connected to the gateway vpn-gw ???? vpn should be able to acess ftp e datastore #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 sudo iptables -A FORWARD -i $dmzIF -o $internalIF -s $vpn_gw -d $ftp -j ACCEPT
sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -s 23.214.219.133 -d 192.168.10.3 -j ACCEPT sudo iptables -A FORWARD -i $dmzIF -o $internalIF -s $vpn_gw -d $datastore -j ACCEPT
#FTP da internet WORRIED ??? #FTP da internet WORRIED ???
sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.2 -p tcp --dport 21 -j ACCEPT sudo iptables -A FORWARD -i $externalIF -o $internalIF -d $ftp -p tcp --dport 21 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 20 -j ACCEPT #MIGHT BE NEEDED sudo iptables -A FORWARD -i $internalIF -o $externalIF -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 #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 $dns2 -p tcp --dport 22 -j DNAT --to-destination 192.168.10.3 sudo iptables -t nat -A PREROUTING -s $dns2 -p tcp --dport 22 -j DNAT --to-destination $datastore
sudo iptables -t nat -A PREROUTING -s $eden -p tcp --dport 22 -j DNAT --to-destination 192.168.10.3 sudo iptables -t nat -A PREROUTING -s $eden -p tcp --dport 22 -j DNAT --to-destination $datastore
sudo iptables -t nat -A PREROUTING -i enp0s10 -p tcp --dport 21 -j DNAT --to-destination 192.168.10.2 sudo iptables -t nat -A PREROUTING -i $externalIF -p tcp --dport 21 -j DNAT --to-destination $ftp
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 $externalIF -o $internalIF -d $datastore -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 sudo iptables -A FORWARD -i $externalIF -o $internalIF -d $datastore -s $eden -p tcp --dport 22 -j ACCEPT
#enp0s9 to internet DNS, http, https, ssh, FTP(SERVERS??????(WHO INVITED THIS GUY)) SNAT
sudo iptables -t nat -A POSTROUTING -s 192.168.10.0/24 -o enp0s10 -j SNAT --to-source 87.248.214.97 #$internalIF to internet DNS, http, https, ssh, FTP(SERVERS??????(WHO INVITED THIS GUY)) SNAT
sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p udp --dport 53 -j ACCEPT sudo iptables -t nat -A POSTROUTING -s 192.168.10.0/24 -o $externalIF -j SNAT --to-source $externalIP
sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --dport 80 -j ACCEPT sudo iptables -A FORWARD -i $internalIF -o $externalIF -p udp --dport 53 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --dport 443 -j ACCEPT sudo iptables -A FORWARD -i $internalIF -o $externalIF -p tcp --dport 80 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 21 -j ACCEPT #MIGHT NOT BE ENOUGH sudo iptables -A FORWARD -i $internalIF -o $externalIF -p tcp --dport 443 -j ACCEPT
sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --dport 21 -j ACCEPT sudo iptables -A FORWARD -i $internalIF -o $externalIF -p tcp --sport 21 -j ACCEPT #MIGHT NOT BE ENOUGH
sudo iptables -A FORWARD -i $internalIF -o $externalIF -p tcp --dport 21 -j ACCEPT