root@lmh3-1:~# echo "========== mangle ==========="
iptables -t mangle -S

echo "========== nat ==========="
iptables -t nat -S

echo "========== filter ==========="
iptables -t filter -S
========== mangle ===========
-P PREROUTING ACCEPT
-P INPUT ACCEPT
-P FORWARD ACCEPT
-P OUTPUT ACCEPT
-P POSTROUTING ACCEPT
-N SSTP_OUTPUT
-N SSTP_PREROUTING
-N SSTP_RULE
-A PREROUTING -j SSTP_PREROUTING
-A OUTPUT -j SSTP_OUTPUT
-A SSTP_OUTPUT -m addrtype --dst-type LOCAL -j RETURN
-A SSTP_OUTPUT -m conntrack --ctdir REPLY -j RETURN
-A SSTP_OUTPUT -m owner --gid-owner 13 -j RETURN
-A SSTP_OUTPUT -p udp -m udp --dport 53 -m owner ! --gid-owner 1001 -j RETURN
-A SSTP_OUTPUT -p udp -m conntrack --ctstate NEW,RELATED -j SSTP_RULE
-A SSTP_OUTPUT -m connmark --mark 0x2333 -j MARK --set-xmark 0x2333/0xffffffff
-A SSTP_PREROUTING -m addrtype --dst-type LOCAL -j RETURN
-A SSTP_PREROUTING -m conntrack --ctdir REPLY -j RETURN
-A SSTP_PREROUTING -p udp -m udp ! --dport 53 -m conntrack --ctstate NEW,RELATED -m addrtype ! --src-type LOCAL -j SSTP_RULE
-A SSTP_PREROUTING -p udp -m connmark --mark 0x2333 -j TPROXY --on-port 188 --on-ip 127.0.0.1 --tproxy-mark 0x2333/0xffffffff
-A SSTP_RULE -m set --match-set sstp_white dst -m set ! --match-set sstp_black dst -j RETURN
-A SSTP_RULE -j CONNMARK --set-xmark 0x2333/0xffffffff
========== nat ===========
-P PREROUTING ACCEPT
-P INPUT ACCEPT
-P OUTPUT ACCEPT
-P POSTROUTING ACCEPT
-N SSTP_OUTPUT
-N SSTP_POSTROUTING
-N SSTP_PREROUTING
-N SSTP_RULE
-A PREROUTING -j SSTP_PREROUTING
-A OUTPUT -j SSTP_OUTPUT
-A POSTROUTING -j SSTP_POSTROUTING
-A SSTP_OUTPUT -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -m addrtype ! --dst-type LOCAL -m owner ! --gid-owner 13 -j SSTP_RULE
-A SSTP_OUTPUT -p udp -m udp --dport 53 -m conntrack --ctstate NEW -m owner ! --gid-owner 13 -m owner ! --gid-owner 1001 -j REDIRECT --to-ports 60053
-A SSTP_POSTROUTING ! -s 127.0.0.1/32 -d 127.0.0.1/32 -j SNAT --to-source 127.0.0.1
-A SSTP_PREROUTING -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -m addrtype ! --src-type LOCAL ! --dst-type LOCAL -j SSTP_RULE
-A SSTP_PREROUTING -p udp -m udp --dport 53 -m conntrack --ctstate NEW -m addrtype ! --src-type LOCAL -j REDIRECT --to-ports 60053
-A SSTP_RULE -m set --match-set sstp_white dst -m set ! --match-set sstp_black dst -j RETURN
-A SSTP_RULE -p tcp -j DNAT --to-destination 127.0.0.1:188
========== filter ===========
-P INPUT DROP
-P FORWARD DROP
-P OUTPUT ACCEPT
-N ufw-after-forward
-N ufw-after-input
-N ufw-after-logging-forward
-N ufw-after-logging-input
-N ufw-after-logging-output
-N ufw-after-output
-N ufw-before-forward
-N ufw-before-input
-N ufw-before-logging-forward
-N ufw-before-logging-input
-N ufw-before-logging-output
-N ufw-before-output
-N ufw-logging-allow
-N ufw-logging-deny
-N ufw-not-local
-N ufw-reject-forward
-N ufw-reject-input
-N ufw-reject-output
-N ufw-skip-to-policy-forward
-N ufw-skip-to-policy-input
-N ufw-skip-to-policy-output
-N ufw-track-forward
-N ufw-track-input
-N ufw-track-output
-N ufw-user-forward
-N ufw-user-input
-N ufw-user-limit
-N ufw-user-limit-accept
-N ufw-user-logging-forward
-N ufw-user-logging-input
-N ufw-user-logging-output
-N ufw-user-output
-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 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 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 ufw-after-input -p udp -m udp --dport 137 -j ufw-skip-to-policy-input
-A ufw-after-input -p udp -m udp --dport 138 -j ufw-skip-to-policy-input
-A ufw-after-input -p tcp -m tcp --dport 139 -j ufw-skip-to-policy-input
-A ufw-after-input -p tcp -m tcp --dport 445 -j ufw-skip-to-policy-input
-A ufw-after-input -p udp -m udp --dport 67 -j ufw-skip-to-policy-input
-A ufw-after-input -p udp -m udp --dport 68 -j ufw-skip-to-policy-input
-A ufw-after-input -m addrtype --dst-type BROADCAST -j ufw-skip-to-policy-input
-A ufw-after-logging-forward -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW BLOCK] "
-A ufw-after-logging-input -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW BLOCK] "
-A ufw-before-forward -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A ufw-before-forward -p icmp -m icmp --icmp-type 3 -j ACCEPT
-A ufw-before-forward -p icmp -m icmp --icmp-type 11 -j ACCEPT
-A ufw-before-forward -p icmp -m icmp --icmp-type 12 -j ACCEPT
-A ufw-before-forward -p icmp -m icmp --icmp-type 8 -j ACCEPT
-A ufw-before-forward -j ufw-user-forward
-A ufw-before-input -i lo -j ACCEPT
-A ufw-before-input -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A ufw-before-input -m conntrack --ctstate INVALID -j ufw-logging-deny
-A ufw-before-input -m conntrack --ctstate INVALID -j DROP
-A ufw-before-input -p icmp -m icmp --icmp-type 3 -j ACCEPT
-A ufw-before-input -p icmp -m icmp --icmp-type 11 -j ACCEPT
-A ufw-before-input -p icmp -m icmp --icmp-type 12 -j ACCEPT
-A ufw-before-input -p icmp -m icmp --icmp-type 8 -j ACCEPT
-A ufw-before-input -p udp -m udp --sport 67 --dport 68 -j ACCEPT
-A ufw-before-input -j ufw-not-local
-A ufw-before-input -d 224.0.0.251/32 -p udp -m udp --dport 5353 -j ACCEPT
-A ufw-before-input -d 239.255.255.250/32 -p udp -m udp --dport 1900 -j ACCEPT
-A ufw-before-input -j ufw-user-input
-A ufw-before-output -o lo -j ACCEPT
-A ufw-before-output -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A ufw-before-output -j ufw-user-output
-A ufw-logging-allow -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW ALLOW] "
-A ufw-logging-deny -m conntrack --ctstate INVALID -m limit --limit 3/min --limit-burst 10 -j RETURN
-A ufw-logging-deny -m limit --limit 3/min --limit-burst 10 -j LOG --log-prefix "[UFW BLOCK] "
-A ufw-not-local -m addrtype --dst-type LOCAL -j RETURN
-A ufw-not-local -m addrtype --dst-type MULTICAST -j RETURN
-A ufw-not-local -m addrtype --dst-type BROADCAST -j RETURN
-A ufw-not-local -m limit --limit 3/min --limit-burst 10 -j ufw-logging-deny
-A ufw-not-local -j DROP
-A ufw-skip-to-policy-forward -j DROP
-A ufw-skip-to-policy-input -j DROP
-A ufw-skip-to-policy-output -j ACCEPT
-A ufw-track-output -p tcp -m conntrack --ctstate NEW -j ACCEPT
-A ufw-track-output -p udp -m conntrack --ctstate NEW -j ACCEPT
-A ufw-user-input -s 10.8.1.20/32 -p tcp -m multiport --dports 53,2023,60053,65353,65354 -j DROP
-A ufw-user-input -s 10.8.1.20/32 -p udp -m multiport --dports 53,2023,60053,65353,65354 -j DROP
-A ufw-user-input -s 10.8.1.77/32 -p tcp -m multiport --dports 53,2023,60053,65353,65354 -j DROP
-A ufw-user-input -s 10.8.1.77/32 -p udp -m multiport --dports 53,2023,60053,65353,65354 -j DROP
-A ufw-user-input -s 10.8.1.0/24 -p tcp -m multiport --dports 53,2023,60053,65353,65354 -j ACCEPT
-A ufw-user-input -s 10.8.1.0/24 -p udp -m multiport --dports 53,2023,60053,65353,65354 -j ACCEPT
-A ufw-user-input -s 10.8.1.0/24 -i enp1s0 -p udp -m udp --dport 53 -j ACCEPT
-A ufw-user-limit -m limit --limit 3/min -j LOG --log-prefix "[UFW LIMIT BLOCK] "
-A ufw-user-limit -j REJECT --reject-with icmp-port-unreachable
-A ufw-user-limit-accept -j ACCEPT