Add debug logging and fix chain end detection for nftables

- Detect chain end with closing brace
- Add debug logging to trace nft command execution and port collection
- Update version to v0.1.250

Cargo.lock

@@ -279,7 +279,7 @@ checksum = "a1d728cc89cf3aee9ff92b05e62b19ee65a02b5702cff7d5a377e32c6ae29d8d"
 
 [[package]]
 name = "cm-dashboard"
-version = "0.1.247"
+version = "0.1.249"
 dependencies = [
  "anyhow",
  "chrono",
@@ -301,7 +301,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-agent"
-version = "0.1.247"
+version = "0.1.249"
 dependencies = [
  "anyhow",
  "async-trait",
@@ -325,7 +325,7 @@ dependencies = [
 
 [[package]]
 name = "cm-dashboard-shared"
-version = "0.1.247"
+version = "0.1.249"
 dependencies = [
  "chrono",
  "serde",

agent/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-agent"
-version = "0.1.248"
+version = "0.1.250"
 edition = "2021"
 
 [dependencies]

agent/src/collectors/systemd.rs

@@ -920,12 +920,18 @@ impl SystemdCollector {
 
         let output = match output {
             Ok(out) if out.status.success() => out,
-            _ => return (String::new(), String::new()),
+            _ => {
+                debug!("Failed to run nft list ruleset");
+                return (String::new(), String::new());
+            }
         };
 
         let output_str = match String::from_utf8(output.stdout) {
             Ok(s) => s,
-            Err(_) => return (String::new(), String::new()),
+            Err(_) => {
+                debug!("Failed to parse nft output as UTF-8");
+                return (String::new(), String::new());
+            }
         };
 
         let mut tcp_ports = std::collections::HashSet::new();
@@ -933,26 +939,26 @@ impl SystemdCollector {
 
         // Parse nftables output for WAN incoming accept rules with dport
         // Looking for patterns like: tcp dport 22 accept or tcp dport { 22, 80, 443 } accept
-        // Only include rules in input chain without private network source restrictions
-        let mut in_input_chain = false;
+        // Only include rules in input_wan chain
+        let mut in_wan_chain = false;
 
         for line in output_str.lines() {
             let line = line.trim();
 
-            // Track if we're in the input chain
-            if line.contains("chain input") || line.contains("chain INPUT") {
-                in_input_chain = true;
+            // Track if we're in the input_wan chain
+            if line.contains("chain input_wan") {
+                in_wan_chain = true;
                 continue;
             }
 
-            // Reset when entering other chains
-            if line.starts_with("chain ") && !line.contains("input") && !line.contains("INPUT") {
-                in_input_chain = false;
+            // Reset when exiting chain (closing brace) or entering other chains
+            if line == "}" || (line.starts_with("chain ") && !line.contains("input_wan")) {
+                in_wan_chain = false;
                 continue;
             }
 
-            // Only process rules in input chain
-            if !in_input_chain {
+            // Only process rules in input_wan chain
+            if !in_wan_chain {
                 continue;
             }
 
@@ -961,14 +967,6 @@ impl SystemdCollector {
                 continue;
             }
 
-            // Skip internal network traffic (LAN/private networks)
-            if line.contains("ip saddr 192.168.") ||
-               line.contains("ip saddr 10.") ||
-               line.contains("ip saddr 172.16.") ||
-               line.contains("iifname \"lo\"") {
-                continue;
-            }
-
             // Parse TCP ports
             if line.contains("tcp dport") {
                 for port in self.extract_ports_from_nft_rule(line) {
@@ -993,6 +991,8 @@ impl SystemdCollector {
         let tcp_str = tcp_vec.iter().map(|p| p.to_string()).collect::<Vec<_>>().join(", ");
         let udp_str = udp_vec.iter().map(|p| p.to_string()).collect::<Vec<_>>().join(", ");
 
+        debug!("nftables WAN ports - TCP: '{}', UDP: '{}'", tcp_str, udp_str);
+
         (tcp_str, udp_str)
     }
 

dashboard/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard"
-version = "0.1.248"
+version = "0.1.250"
 edition = "2021"
 
 [dependencies]

shared/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cm-dashboard-shared"
-version = "0.1.248"
+version = "0.1.250"
 edition = "2021"
 
 [dependencies]