explorer-monorepo/UDM_PRO_DIAGNOSIS_REPORT.md

UDM Pro Complete Diagnosis Report

Date: Wed Jan 21 10:48:30 PST 2026 UDM Pro IP: 192.168.11.1 SSH User: OQmQuS

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1. System Information

2. Port Forwarding Rules (NAT Table)

Checking for DNAT rules for 76.53.10.36:80/443 → 192.168.11.166:80/443

Status: ❌ Port forwarding rules are NOT active Issue: No DNAT rules found for 76.53.10.36:80/443 Fix: Enable port forwarding rules in UDM Pro Web UI

3. Firewall Rules for NPMplus (192.168.11.166)

Checking for ACCEPT rules for 192.168.11.166:80/443

Status: ❌ No firewall rules found Issue: Firewall may be blocking traffic (default deny) Fix: Add allow rules for 192.168.11.166:80/443

4. Firewall Rule Order

Checking if allow rules come before block rules

5. Analysis & Recommendations

Issue 1: Port Forwarding Not Active

• Problem: No DNAT rules found for 76.53.10.36
• Fix: Enable port forwarding rules in UDM Pro Web UI
  1. Settings → Firewall & Security → Port Forwarding
  2. Verify rules for 76.53.10.36:80/443 are enabled
  3. Save and wait 30 seconds

Issue 2: Firewall Blocking Traffic

• Problem: No allow rules or rules are blocking
• Fix: Add/update firewall rules in UDM Pro Web UI
  1. Settings → Firewall & Security → Firewall Rules
  2. Ensure 'Allow Port Forward...' rules exist
  3. Move allow rules to the top of the list
  4. Save and wait 30 seconds