secret branch
This commit is contained in:
vascoalvesxyz
157
ROUTER.sh
157
ROUTER.sh
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# NETWORKS:
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IF_DMZ="enp0s8"
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# DMZ: 23.214.219.128/25
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IF_INT="enp0s9"
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# Internal: 192.168.10.0/24
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IF_EXT="enp0s10"
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#
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NET_DMZ="23.214.219.128/25"
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# MACHINES:
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NET_INT="192.168.10.0/24"
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# DNS2: 192.137.16.75
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IP_EXT_FW="87.248.214.97"
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# EDEN 193.138.212.1
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IP_DMZ_FW="23.214.219.254"
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dns2="87.248.214.99"
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IP_INT_FW="192.168.10.254"
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eden="87.248.214.100"
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IP_DMZ_DNS="23.214.219.130"
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IP_DMZ_SMTP="23.214.219.131"
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IP_DMZ_WWW="23.214.219.132"
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IP_DMZ_VPN_GW="23.214.219.133"
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IP_DMZ_MAIL="23.214.219.134"
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IP_INT_FTP="192.168.10.2"
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IP_INT_DATASTORE="192.168.10.3"
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IP_DNS2="193.137.16.75"
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IP_EDEN="193.136.212.1"
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# ==============================
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sudo yum install epel-release -y
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# Router 1
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sudo yum install suricata -y
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# INTERFACES:
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sudo suricata-update
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# - Internet: 87.248.214.97
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# - DMZ: 23.214.219.254
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# - Internal: 192.168.10.254
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# ==============================
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# ==============================
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sudo ifconfig $IF_DMZ $IP_DMZ_FW netmask 255.255.255.128
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# DMZ /25
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sudo ifconfig $IF_INT $IP_INT_FW netmask 255.255.255.0
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# IP:
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sudo ifconfig $IF_EXT $IP_EXT_FW netmask 255.255.255.0
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# - dns : 23.214.219.130
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# - smtp : 23.214.219.131
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# - www : 23.214.219.132
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# - vpn-gw: 23.214.219.133
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# - mail: 23.214.219.134
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# ==============================
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# ==============================
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# Internal
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# IP:
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# ftp: 192.168.10.2
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# datastore : 192.168.10.3
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# DHCP Client : 192.168.10.4-5
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# ==============================
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sudo ifconfig enp0s8 23.214.219.254 netmask 255.255.255.128
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sudo ifconfig enp0s9 192.168.10.254 netmask 255.255.255.0
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sudo ifconfig enp0s10 87.248.214.97 netmask 255.255.255.0
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sudo yum install iptables-services -y
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sudo systemctl stop firewalld
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sudo systemctl disable firewalld
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sudo systemctl mask firewalld
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sudo systemctl enable iptables
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sudo iptables -F
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sudo iptables -F
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sudo iptables -t nat -F
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sudo iptables -t nat -F
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sudo iptables -t mangle -F
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sudo iptables -t mangle -F
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sudo sysctl -w net.ipv4.ip_forward=1
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sudo sysctl -w net.ipv4.ip_forward=1
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iptables -P INPUT DROP
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iptables -P FORWARD DROP
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sudo iptables -P INPUT DROP
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iptables -P OUTPUT ACCEPT
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sudo iptables -P FORWARD DROP
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sudo iptables -P OUTPUT ACCEPT
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sudo modprobe nf_conntrack_ftp
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sudo modprobe nf_nat_ftp
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sudo iptables -A FORWARD -j NFQUEUE --queue-num 0
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sudo iptables -A INPUT -i lo -j ACCEPT
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sudo iptables -A INPUT -i lo -j ACCEPT
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sudo iptables -A OUTPUT -o lo -j ACCEPT
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sudo iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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#sudo iptables -t nat -A POSTROUTING -i enp0s9 -o enp0s3 -j MASQUERADE #SUS
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sudo iptables -A INPUT -p udp --dport 53 -j ACCEPT
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sudo iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT #CAREFULL
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sudo iptables -A INPUT -i $IF_INT -p tcp --dport 22 -j ACCEPT
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#DNS name resolution requests sent to outside servers and want a response:
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sudo iptables -A INPUT -i $IF_DMZ -s $IP_DMZ_VPN_GW -p tcp --dport 22 -j ACCEPT
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sudo iptables -A INPUT -i enp0s10 -p udp --sport 53 -j ACCEPT
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#SSH connections to the router system that originate from the inside and want an answer:
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sudo iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
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sudo iptables -A INPUT -i enp0s9 -p tcp --sport 22 -j ACCEPT #TESTED
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sudo iptables -A FORWARD -p udp -d $IP_DMZ_DNS --dport 53 -j ACCEPT
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sudo iptables -A INPUT -i enp0s8 -s 23.214.219.133 -p tcp --sport 22 -j ACCEPT #TESTED
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#The dns server should be able to resolve names using the internet (and others???)
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sudo iptables -A FORWARD -s $IP_DMZ_DNS -d $IP_DNS2 -p tcp --dport 53 -j ACCEPT
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sudo iptables -A FORWARD -i enp0s8 -o enp0s10 -s 23.214.219.130 -p udp --sport 53 -j ACCEPT #NEED to test !!
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sudo iptables -A FORWARD -s $IP_DNS2 -d $IP_DMZ_DNS -p tcp --dport 53 -j ACCEPT
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#The internal network should be able to send and recieve dns name resolutions to the dns server (1!)
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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
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sudo iptables -A FORWARD -p tcp -d $IP_DMZ_SMTP --dport 25 -j ACCEPT
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sudo iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT #THIS IS IMPORTANT AND MIGHT FUCK US
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sudo iptables -A FORWARD -p tcp -d $IP_DMZ_MAIL --dport 110 -j ACCEPT
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#The dns and dns2 servers should be able to synchronize the contents of DNS zones. (protocol tcp port 53)
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sudo iptables -A FORWARD -p tcp -d $IP_DMZ_MAIL --dport 143 -j ACCEPT
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sudo iptables -A FORWARD -i enp0s8 -o enp0s10 -s 23.214.219.130 -p tcp --sport 53 -j ACCEPT #NEED to test!
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sudo iptables -A FORWARD -p tcp -d $IP_DMZ_WWW -m multiport --dports 80,443 -j ACCEPT
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#SMTP connections to the smtp server and returns
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sudo iptables -A FORWARD -p udp -d $IP_DMZ_VPN_GW --dport 1194 -j ACCEPT
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sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.131 -p tcp --sport 587 -j ACCEPT #TESTED
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#sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p tcp --dport 587 -m state --state ESTABLISHED,RELATED -j ACCEPT
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sudo iptables -A FORWARD -i $IF_DMZ -s $IP_DMZ_VPN_GW -d $NET_INT -j ACCEPT
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#POP and IMAP connections to the www server
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sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.134 -p tcp --sport 143 -j ACCEPT #TESTED
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sudo iptables -t nat -A POSTROUTING -s $NET_INT -o $IF_EXT -j SNAT --to-source $IP_EXT_FW
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sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.134 -p tcp --sport 110 -j ACCEPT #TESTED
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sudo iptables -A FORWARD -i $IF_INT -o $IF_EXT -p udp --dport 53 -j ACCEPT
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#HTTP and HTTPS connectins
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sudo iptables -A FORWARD -i $IF_INT -o $IF_EXT -p tcp -m multiport --dports 80,443,22,21 -j ACCEPT
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sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.132 -p tcp --sport 80 -j ACCEPT #TESTED THROUGH NETCAT
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sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.132 -p tcp --sport 443 -j ACCEPT #TESTED THROUGH NETCAT
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sudo iptables -t nat -A PREROUTING -i $IF_EXT -d $IP_EXT_FW -p tcp --dport 21 -j DNAT --to-destination $IP_INT_FTP
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#sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p tcp --dport 80 -m state --state ESTABLISHED,RELATED -j ACCEPT
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sudo iptables -A FORWARD -i $IF_EXT -d $IP_INT_FTP -p tcp --dport 21 -j ACCEPT
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#sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p tcp --dport 443 -m state --state ESTABLISHED,RELATED -j ACCEPT
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#OpenVPN connections to the vpn-gw server
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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
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sudo iptables -A FORWARD -i enp0s9 -o enp0s8 -d 23.214.219.133 -p udp --sport 1194 -j ACCEPT #NEDDS testing
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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
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#sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -p udp --dport 1194 -j ACCEPT
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sudo iptables -A FORWARD -i $IF_EXT -d $IP_INT_DATASTORE -p tcp --dport 22 -j ACCEPT
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#VPN clients connected to the gateway vpn-gw ???? vpn should be able to acess ftp e datastore
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sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -s 23.214.219.133 -d 192.168.10.2 -j ACCEPT #NEDDS testing
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sudo iptables -A FORWARD -i enp0s8 -o enp0s9 -s 23.214.219.133 -d 192.168.10.3 -j ACCEPT #NEDDS testing
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#FTP da internet WORRIED ???
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sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.2 -p tcp --sport 21 -j ACCEPT #Changed
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sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 20 -j ACCEPT #MIGHT BE NEEDED
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#SSH CONNECTIONS datastore server but only from eden or dn2 DNAT -s servers, and port and -d interface
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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
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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
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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
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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
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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
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sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.3 -s $eden -p tcp --sport 22 -j ACCEPT
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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
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sudo iptables -A FORWARD -i enp0s10 -o enp0s9 -d 192.168.10.3 -s $eden -p tcp --dport 22 -j ACCEPT
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#enp0s9 to internet DNS, http, https, ssh, FTP(SERVERS??????(WHO INVITED THIS GUY)) SNAT
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sudo iptables -t nat -A POSTROUTING -s 192.168.10.0/24 -o enp0s10 -j SNAT --to-source 87.248.214.97
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sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p udp --sport 53 -j ACCEPT #TESTED
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sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 80 -j ACCEPT #TESTED
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sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 443 -j ACCEPT #TESTED
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sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --sport 21 -j ACCEPT #MIGHT NOT BE ENOUGH
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sudo iptables -A FORWARD -i enp0s9 -o enp0s10 -p tcp --dport 21 -j ACCEPT
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