ubuntu2

root@box-688896:~# iptables-save
# Generated by iptables-save v1.8.4 on Tue Apr 19 01:16:59 2022
*filter
:INPUT ACCEPT [17:3423]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [42:5425]
:f2b-sshd - [0:0]
:ufw-after-forward - [0:0]
:ufw-after-input - [0:0]
:ufw-after-logging-forward - [0:0]
:ufw-after-logging-input - [0:0]
:ufw-after-logging-output - [0:0]
:ufw-after-output - [0:0]
:ufw-before-forward - [0:0]
:ufw-before-input - [0:0]
:ufw-before-logging-forward - [0:0]
:ufw-before-logging-input - [0:0]
:ufw-before-logging-output - [0:0]
:ufw-before-output - [0:0]
:ufw-reject-forward - [0:0]
:ufw-reject-input - [0:0]
:ufw-reject-output - [0:0]
:ufw-track-forward - [0:0]
:ufw-track-input - [0:0]
:ufw-track-output - [0:0]
-A INPUT -p tcp -m multiport --dports 22 -j f2b-sshd
-A INPUT -p udp -m udp --dport 1194 -j ACCEPT
-A INPUT -p udp -m udp --dport 1701 -m policy --dir in --pol none -j DROP
-A INPUT -m conntrack --ctstate INVALID -j DROP
-A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p udp -m multiport --dports 500,4500 -j ACCEPT
-A INPUT -p udp -m udp --dport 1701 -m policy --dir in --pol ipsec -j ACCEPT
-A INPUT -p udp -m udp --dport 1701 -j DROP
-A INPUT -j ufw-before-logging-input
-A INPUT -j ufw-before-input
-A INPUT -j ufw-after-input
-A INPUT -j ufw-after-logging-input
-A INPUT -j ufw-reject-input
-A INPUT -j ufw-track-input
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -s 10.8.0.0/24 -j ACCEPT
-A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -m conntrack --ctstate INVALID -j DROP
-A FORWARD -i ens3 -o ppp+ -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -i ppp+ -o ens3 -j ACCEPT
-A FORWARD -i ppp+ -o ppp+ -j ACCEPT
-A FORWARD -d 192.168.43.0/24 -i ens3 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -s 192.168.43.0/24 -o ens3 -j ACCEPT
-A FORWARD -s 192.168.43.0/24 -o ppp+ -j ACCEPT
-A FORWARD -j ufw-before-logging-forward
-A FORWARD -j ufw-before-forward
-A FORWARD -j ufw-after-forward
-A FORWARD -j ufw-after-logging-forward
-A FORWARD -j ufw-reject-forward
-A FORWARD -j ufw-track-forward
-A FORWARD -j DROP
-A FORWARD -i tun0 -j ACCEPT
-A FORWARD -i ens3 -o tun0 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -i ens3 -p tcp -m tcp --dport 8080 -j ACCEPT
-A OUTPUT -j ufw-before-logging-output
-A OUTPUT -j ufw-before-output
-A OUTPUT -j ufw-after-output
-A OUTPUT -j ufw-after-logging-output
-A OUTPUT -j ufw-reject-output
-A OUTPUT -j ufw-track-output
-A f2b-sshd -s 185.98.225.148/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 66.96.237.197/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 43.155.109.48/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 73.13.104.201/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -s 109.167.197.20/32 -j REJECT --reject-with icmp-port-unreachable
-A f2b-sshd -j RETURN
COMMIT
# Completed on Tue Apr 19 01:16:59 2022
# Generated by iptables-save v1.8.4 on Tue Apr 19 01:16:59 2022
*nat
:PREROUTING ACCEPT [284:30034]
:INPUT ACCEPT [66:6533]
:OUTPUT ACCEPT [0:0]
:POSTROUTING ACCEPT [2:96]
-A PREROUTING -p tcp -m tcp --dport 8080 -j DNAT --to-destination 10.8.0.2
-A POSTROUTING -s 192.168.42.0/24 -o ens3 -j MASQUERADE
-A POSTROUTING -s 192.168.43.0/24 -o ens3 -m policy --dir out --pol none -j MASQUERADE
-A POSTROUTING -s 10.8.0.0/24 -o ens3 -j MASQUERADE
-A POSTROUTING -o ens3 -j MASQUERADE
COMMIT