nftables: split out TCP service chain

nftables-attestation.conf

@@ -55,8 +55,14 @@ table inet filter {
         type filter hook input priority filter
         policy drop
 
-        iif lo goto input-loopback
+        tcp dport { 22, 80, 443 } goto input-tcp-service
+        iif lo accept
         meta l4proto { icmp, ipv6-icmp } accept
+        ct state vmap { new : goto graceful-reject, established : accept, related : accept }
+    }
+
+    chain input-tcp-service {
+        iif lo goto input-loopback
 
         # for synproxy, SYN is untracked and first ACK is invalid which are handled via fallthrough
         ct state vmap { new : goto input-new, established : goto input-established, related : accept }
@@ -65,12 +71,10 @@ table inet filter {
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443 } ip saddr @ip-connlimit-main counter reject with tcp reset
         tcp dport { 80, 443 } ip6 saddr and ffff:ffff:ffff:ffff:: @ip6-connlimit-main counter reject with tcp reset
-        tcp dport { 22, 80, 443 } synproxy mss 1460 wscale 7 timestamp sack-perm
+        synproxy mss 1460 wscale 7 timestamp sack-perm
     }
 
     chain input-new {
-        meta l4proto != tcp goto graceful-reject
-        tcp dport != { 22, 80, 443 } goto graceful-reject
         tcp dport 22 ip saddr @ip-connlimit-ssh counter reject with tcp reset
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443 } ip saddr @ip-connlimit-main counter reject with tcp reset
@@ -79,8 +83,6 @@ table inet filter {
     }
 
     chain input-established {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443 } accept
         ct mark 0x1 accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset
@@ -90,8 +92,6 @@ table inet filter {
     }
 
     chain input-loopback {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443 } accept
         tcp flags != syn accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset

nftables-discuss.conf

@@ -55,8 +55,14 @@ table inet filter {
         type filter hook input priority filter
         policy drop
 
-        iif lo goto input-loopback
+        tcp dport { 22, 80, 443 } goto input-tcp-service
+        iif lo accept
         meta l4proto { icmp, ipv6-icmp } accept
+        ct state vmap { new : goto graceful-reject, established : accept, related : accept }
+    }
+
+    chain input-tcp-service {
+        iif lo goto input-loopback
 
         # for synproxy, SYN is untracked and first ACK is invalid which are handled via fallthrough
         ct state vmap { new : goto input-new, established : goto input-established, related : accept }
@@ -65,12 +71,10 @@ table inet filter {
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443 } ip saddr @ip-connlimit-main counter reject with tcp reset
         tcp dport { 80, 443 } ip6 saddr and ffff:ffff:ffff:ffff:: @ip6-connlimit-main counter reject with tcp reset
-        tcp dport { 22, 80, 443 } synproxy mss 1460 wscale 7 timestamp sack-perm
+        synproxy mss 1460 wscale 7 timestamp sack-perm
     }
 
     chain input-new {
-        meta l4proto != tcp goto graceful-reject
-        tcp dport != { 22, 80, 443 } goto graceful-reject
         tcp dport 22 ip saddr @ip-connlimit-ssh counter reject with tcp reset
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443 } ip saddr @ip-connlimit-main counter reject with tcp reset
@@ -79,8 +83,6 @@ table inet filter {
     }
 
     chain input-established {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443 } accept
         ct mark 0x1 accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset
@@ -90,8 +92,6 @@ table inet filter {
     }
 
     chain input-loopback {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443 } accept
         tcp flags != syn accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset

nftables-mail.conf

@@ -55,8 +55,14 @@ table inet filter {
         type filter hook input priority filter
         policy drop
 
-        iif lo goto input-loopback
+        tcp dport { 22, 25, 80, 443, 465, 993 } goto input-tcp-service
+        iif lo accept
         meta l4proto { icmp, ipv6-icmp } accept
+        ct state vmap { new : goto graceful-reject, established : accept, related : accept }
+    }
+
+    chain input-tcp-service {
+        iif lo goto input-loopback
 
         # for synproxy, SYN is untracked and first ACK is invalid which are handled via fallthrough
         ct state vmap { new : goto input-new, established : goto input-established, related : accept }
@@ -65,12 +71,10 @@ table inet filter {
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 25, 80, 443, 465, 993 } ip saddr @ip-connlimit-main counter reject with tcp reset
         tcp dport { 25, 80, 443, 465, 993 } ip6 saddr and ffff:ffff:ffff:ffff:: @ip6-connlimit-main counter reject with tcp reset
-        tcp dport { 22, 25, 80, 443, 465, 993 } synproxy mss 1460 wscale 7 timestamp sack-perm
+        synproxy mss 1460 wscale 7 timestamp sack-perm
     }
 
     chain input-new {
-        meta l4proto != tcp goto graceful-reject
-        tcp dport != { 22, 25, 80, 443, 465, 993 } goto graceful-reject
         tcp dport 22 ip saddr @ip-connlimit-ssh counter reject with tcp reset
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 25, 80, 443, 465, 993 } ip saddr @ip-connlimit-main counter reject with tcp reset
@@ -79,8 +83,6 @@ table inet filter {
     }
 
     chain input-established {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 25, 80, 443, 465, 993 } accept
         ct mark 0x1 accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset
@@ -90,8 +92,6 @@ table inet filter {
     }
 
     chain input-loopback {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 25, 80, 443, 465, 993 } accept
         tcp flags != syn accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset

nftables-matrix.conf

@@ -55,8 +55,14 @@ table inet filter {
         type filter hook input priority filter
         policy drop
 
-        iif lo goto input-loopback
+        tcp dport { 22, 80, 443 } goto input-tcp-service
+        iif lo accept
         meta l4proto { icmp, ipv6-icmp } accept
+        ct state vmap { new : goto graceful-reject, established : accept, related : accept }
+    }
+
+    chain input-tcp-service {
+        iif lo goto input-loopback
 
         # for synproxy, SYN is untracked and first ACK is invalid which are handled via fallthrough
         ct state vmap { new : goto input-new, established : goto input-established, related : accept }
@@ -65,12 +71,10 @@ table inet filter {
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443 } ip saddr @ip-connlimit-main counter reject with tcp reset
         tcp dport { 80, 443 } ip6 saddr and ffff:ffff:ffff:ffff:: @ip6-connlimit-main counter reject with tcp reset
-        tcp dport { 22, 80, 443 } synproxy mss 1460 wscale 7 timestamp sack-perm
+        synproxy mss 1460 wscale 7 timestamp sack-perm
     }
 
     chain input-new {
-        meta l4proto != tcp goto graceful-reject
-        tcp dport != { 22, 80, 443 } goto graceful-reject
         tcp dport 22 ip saddr @ip-connlimit-ssh counter reject with tcp reset
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443 } ip saddr @ip-connlimit-main counter reject with tcp reset
@@ -79,8 +83,6 @@ table inet filter {
     }
 
     chain input-established {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443 } accept
         ct mark 0x1 accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset
@@ -90,8 +92,6 @@ table inet filter {
     }
 
     chain input-loopback {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443 } accept
         tcp flags != syn accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset

nftables-network.conf

@@ -58,9 +58,15 @@ table inet filter {
         type filter hook input priority filter
         policy drop
 
-        iif lo goto input-loopback
+        tcp dport { 22, 80, 443, 7275 } goto input-tcp-service
+        iif lo accept
         udp dport 123 accept
         meta l4proto { icmp, ipv6-icmp } accept
+        ct state vmap { new : goto graceful-reject, established : accept, related : accept }
+    }
+
+    chain input-tcp-service {
+        iif lo goto input-loopback
 
         # for synproxy, SYN is untracked and first ACK is invalid which are handled via fallthrough
         ct state vmap { new : goto input-new, established : goto input-established, related : accept }
@@ -69,12 +75,10 @@ table inet filter {
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443, 7275 } ip saddr @ip-connlimit-main counter reject with tcp reset
         tcp dport { 80, 443, 7275 } ip6 saddr and ffff:ffff:ffff:ffff:: @ip6-connlimit-main counter reject with tcp reset
-        tcp dport { 22, 80, 443, 7275 } synproxy mss 1460 wscale 7 timestamp sack-perm
+        synproxy mss 1460 wscale 7 timestamp sack-perm
     }
 
     chain input-new {
-        meta l4proto != tcp goto graceful-reject
-        tcp dport != { 22, 80, 443, 7275 } goto graceful-reject
         tcp dport 22 ip saddr @ip-connlimit-ssh counter reject with tcp reset
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443, 7275 } ip saddr @ip-connlimit-main counter reject with tcp reset
@@ -83,8 +87,6 @@ table inet filter {
     }
 
     chain input-established {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443, 7275 } accept
         ct mark 0x1 accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset
@@ -94,8 +96,6 @@ table inet filter {
     }
 
     chain input-loopback {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443, 7275 } accept
         tcp flags != syn accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset

nftables-ns1.conf

@@ -57,9 +57,15 @@ table inet filter {
         type filter hook input priority filter
         policy drop
 
-        iif lo goto input-loopback
+        tcp dport { 22, 53, 80, 443, 853 } goto input-tcp-service
+        iif lo accept
         udp dport 53 accept
         meta l4proto { icmp, ipv6-icmp } accept
+        ct state vmap { new : goto graceful-reject, established : accept, related : accept }
+    }
+
+    chain input-tcp-service {
+        iif lo goto input-loopback
 
         # for synproxy, SYN is untracked and first ACK is invalid which are handled via fallthrough
         ct state vmap { new : goto input-new, established : goto input-established, related : accept }
@@ -68,12 +74,10 @@ table inet filter {
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 53, 80, 443, 853 } ip saddr @ip-connlimit-main counter reject with tcp reset
         tcp dport { 53, 80, 443, 853 } ip6 saddr and ffff:ffff:ffff:ffff:: @ip6-connlimit-main counter reject with tcp reset
-        tcp dport { 22, 53, 80, 443, 853 } synproxy mss 1460 wscale 7 timestamp sack-perm
+        synproxy mss 1460 wscale 7 timestamp sack-perm
     }
 
     chain input-new {
-        meta l4proto != tcp goto graceful-reject
-        tcp dport != { 22, 53, 80, 443, 853 } goto graceful-reject
         tcp dport 22 ip saddr @ip-connlimit-ssh counter reject with tcp reset
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 53, 80, 443, 853 } ip saddr @ip-connlimit-main counter reject with tcp reset
@@ -82,8 +86,6 @@ table inet filter {
     }
 
     chain input-established {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 53, 80, 443, 853 } accept
         ct mark 0x1 accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset
@@ -93,8 +95,6 @@ table inet filter {
     }
 
     chain input-loopback {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 53, 80, 443, 853 } accept
         tcp flags != syn accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset

nftables-ns2.conf

@@ -62,9 +62,15 @@ table inet filter {
         type filter hook input priority filter
         policy drop
 
-        iif lo goto input-loopback
+        tcp dport { 22, 53, 80, 443, 853 } goto input-tcp-service
+        iif lo accept
         udp dport 53 accept
         meta l4proto { icmp, ipv6-icmp } accept
+        ct state vmap { new : goto graceful-reject, established : accept, related : accept }
+    }
+
+    chain input-tcp-service {
+        iif lo goto input-loopback
 
         # for synproxy, SYN is untracked and first ACK is invalid which are handled via fallthrough
         ct state vmap { new : goto input-new, established : goto input-established, related : accept }
@@ -73,12 +79,10 @@ table inet filter {
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 53, 80, 443, 853 } ip saddr @ip-connlimit-main counter reject with tcp reset
         tcp dport { 53, 80, 443, 853 } ip6 saddr and ffff:ffff:ffff:ffff:: @ip6-connlimit-main counter reject with tcp reset
-        tcp dport { 22, 53, 80, 443, 853 } synproxy mss 1460 wscale 7 timestamp sack-perm
+        synproxy mss 1460 wscale 7 timestamp sack-perm
     }
 
     chain input-new {
-        meta l4proto != tcp goto graceful-reject
-        tcp dport != { 22, 53, 80, 443, 853 } goto graceful-reject
         tcp dport 22 ip saddr @ip-connlimit-ssh counter reject with tcp reset
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 53, 80, 443, 853 } ip saddr @ip-connlimit-main counter reject with tcp reset
@@ -87,8 +91,6 @@ table inet filter {
     }
 
     chain input-established {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 53, 80, 443, 853 } accept
         ct mark 0x1 accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset
@@ -98,8 +100,6 @@ table inet filter {
     }
 
     chain input-loopback {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 53, 80, 443, 853 } accept
         tcp flags != syn accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset

nftables-social.conf

@@ -55,8 +55,14 @@ table inet filter {
         type filter hook input priority filter
         policy drop
 
-        iif lo goto input-loopback
+        tcp dport { 22, 80, 443 } goto input-tcp-service
+        iif lo accept
         meta l4proto { icmp, ipv6-icmp } accept
+        ct state vmap { new : goto graceful-reject, established : accept, related : accept }
+    }
+
+    chain input-tcp-service {
+        iif lo goto input-loopback
 
         # for synproxy, SYN is untracked and first ACK is invalid which are handled via fallthrough
         ct state vmap { new : goto input-new, established : goto input-established, related : accept }
@@ -65,12 +71,10 @@ table inet filter {
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443 } ip saddr @ip-connlimit-main counter reject with tcp reset
         tcp dport { 80, 443 } ip6 saddr and ffff:ffff:ffff:ffff:: @ip6-connlimit-main counter reject with tcp reset
-        tcp dport { 22, 80, 443 } synproxy mss 1460 wscale 7 timestamp sack-perm
+        synproxy mss 1460 wscale 7 timestamp sack-perm
     }
 
     chain input-new {
-        meta l4proto != tcp goto graceful-reject
-        tcp dport != { 22, 80, 443 } goto graceful-reject
         tcp dport 22 ip saddr @ip-connlimit-ssh counter reject with tcp reset
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443 } ip saddr @ip-connlimit-main counter reject with tcp reset
@@ -79,8 +83,6 @@ table inet filter {
     }
 
     chain input-established {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443 } accept
         ct mark 0x1 accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset
@@ -90,8 +92,6 @@ table inet filter {
     }
 
     chain input-loopback {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443 } accept
         tcp flags != syn accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset

nftables-web.conf

@@ -59,8 +59,14 @@ table inet filter {
         type filter hook input priority filter
         policy drop
 
-        iif lo goto input-loopback
+        tcp dport { 22, 80, 443 } goto input-tcp-service
+        iif lo accept
         meta l4proto { icmp, ipv6-icmp } accept
+        ct state vmap { new : goto graceful-reject, established : accept, related : accept }
+    }
+
+    chain input-tcp-service {
+        iif lo goto input-loopback
 
         # for synproxy, SYN is untracked and first ACK is invalid which are handled via fallthrough
         ct state vmap { new : goto input-new, established : goto input-established, related : accept }
@@ -69,12 +75,10 @@ table inet filter {
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443 } ip saddr @ip-connlimit-main counter reject with tcp reset
         tcp dport { 80, 443 } ip6 saddr and ffff:ffff:ffff:ffff:: @ip6-connlimit-main counter reject with tcp reset
-        tcp dport { 22, 80, 443 } synproxy mss 1460 wscale 7 timestamp sack-perm
+        synproxy mss 1460 wscale 7 timestamp sack-perm
     }
 
     chain input-new {
-        meta l4proto != tcp goto graceful-reject
-        tcp dport != { 22, 80, 443 } goto graceful-reject
         tcp dport 22 ip saddr @ip-connlimit-ssh counter reject with tcp reset
         tcp dport 22 ip6 saddr and ffff:ffff:ffff:ffff:ffff:: @ip6-connlimit-ssh counter reject with tcp reset
         tcp dport { 80, 443 } ip saddr @ip-connlimit-main counter reject with tcp reset
@@ -83,8 +87,6 @@ table inet filter {
     }
 
     chain input-established {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443 } accept
         ct mark 0x1 accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset
@@ -94,8 +96,6 @@ table inet filter {
     }
 
     chain input-loopback {
-        meta l4proto != tcp accept
-        tcp dport != { 22, 80, 443 } accept
         tcp flags != syn accept
         tcp dport 22 ip saddr != $ip-allowlist-ssh add @ip-connlimit-ssh { ip saddr ct count over 1 } counter reject with tcp reset
         tcp dport 22 ip6 saddr != $ip6-allowlist-ssh add @ip6-connlimit-ssh { ip6 saddr and ffff:ffff:ffff:ffff:ffff:: ct count over 1 } counter reject with tcp reset