table inet filter { chain input { type filter hook input priority 0; policy drop; ct state invalid counter drop comment "drop invalid packets" ct state established,related counter accept comment "accept related connections" iif lo counter accept iif != lo ip daddr 127.0.0.1/8 counter drop iif != lo ip6 daddr ::1/128 counter drop ip protocol icmp counter accept ip6 nexthdr ipv6-icmp counter accept udp dport domain ip saddr 172.16.0.0/12 counter accept tcp dport 3000 ip saddr 127.0.0.1/8 counter accept tcp dport 8000 ip saddr 127.0.0.1/8 counter accept tcp dport 8080 ip saddr { 127.0.0.1/8, 10.0.0.0/8 } counter accept tcp dport 1714-1764 ip saddr 10.0.0.0/8 counter accept comment "KDEConnect" udp dport 1714-1764 ip saddr 10.0.0.0/8 counter accept comment "KDEConnect" tcp dport http-alt ip saddr { 127.0.0.1/8, 10.0.0.0/8 } counter accept counter } chain forward { type filter hook forward priority 0; policy drop; ct state established,related counter accept counter } chain output { type filter hook output priority 0; policy drop; ct state established,related counter accept icmp type echo-request counter accept icmp type echo-reply counter accept udp dport domain counter accept tcp dport http counter accept tcp dport https counter accept udp dport https counter accept tcp dport ssh counter accept tcp dport bootps counter accept udp dport bootps counter accept tcp dport ntp counter accept udp dport ntp counter accept tcp dport nntps counter accept udp dport nntps counter accept tcp dport submission counter accept tcp dport imaps counter accept tcp dport 2222 counter accept tcp dport hkp counter accept udp dport hkp counter accept tcp dport 9100 counter accept tcp dport git counter accept udp dport git counter accept tcp dport rsync counter accept udp dport rsync counter accept tcp dport 8000 counter accept tcp dport http-alt counter accept udp dport openvpn counter accept tcp dport postgresql ip daddr { 127.0.0.1/8, 10.0.0.0/8 } counter accept ip daddr 127.0.0.0/8 counter accept ip6 daddr ::1 counter accept tcp dport 5222 counter accept tcp dport 6697 counter accept tcp dport 2049 ip daddr 10.0.0.0/8 counter accept udp dport 2049 ip daddr 10.0.0.0/8 counter accept tcp dport 20048 ip daddr 10.0.0.0/8 counter accept udp dport 20048 ip daddr 10.0.0.0/8 counter accept tcp dport 13052 counter accept udp dport 19302-19309 counter accept comment "Google Meet Ports" tcp dport 1714-1764 counter accept comment "KDEConnect" udp dport 1714-1764 counter accept comment "KDEConnect" counter } }