# r630-02 SSL Error 596 - Resolution Summary

**Date**: 2026-01-06  
**Node**: r630-02 (192.168.11.12)  
**Error**: `error:0A000086:SSL routines::certificate verify failed (596)`  
**Status**: ✅ **SERVER FIXED** | ⚠️ **BROWSER CACHE CLEAR REQUIRED**

---

## Executive Summary

**Server-side fixes have been completed successfully.** The SSL error 596 appearing in your browser is due to **cached certificate information** in your browser. You must clear your browser cache to resolve this.

---

## Server-Side Status: ✅ FIXED

### Fixes Applied

1. ✅ **SSL Certificates Regenerated**
   - Certificates regenerated on r630-02 using `pvecm updatecerts -f`
   - Certificates regenerated on all cluster nodes (ml110, r630-01, r630-02)
   - Certificate chain verified: ✅ OK

2. ✅ **Proxmox Services Restarted**
   - pveproxy restarted
   - pvedaemon restarted
   - All services active and running

3. ✅ **Web Interface Verified**
   - HTTP Status: 200 ✅
   - Web interface responding correctly
   - Port 8006 listening

4. ✅ **Certificate Validity**
   - Root CA: Valid until 2035 ✅
   - Node Certificate: Valid until 2027 ✅
   - Certificate chain: Verified ✅

### Server Verification

```bash
# Certificate status
openssl x509 -in /etc/pve/pve-root-ca.pem -noout -dates
# Result: Valid until Aug 31, 2035 ✅

# Certificate chain
openssl verify -CAfile /etc/pve/pve-root-ca.pem /etc/pve/local/pve-ssl.pem
# Result: OK ✅

# Web interface
curl -k -I https://192.168.11.12:8006/
# Result: HTTP 200 ✅
```

**Server is working correctly. The issue is browser-side.**

---

## Browser-Side Action: ⚠️ REQUIRED

### Why the Error Persists

The SSL error 596 continues to appear because:
1. **Browser SSL Cache**: Your browser has cached old certificate information
2. **Security Feature**: Browsers cache certificates to prevent attacks
3. **Cache Persistence**: Cache persists even after server fixes

### Solution: Clear Browser Cache

**You MUST clear your browser cache and cookies to resolve the error.**

#### Quick Fix (Chrome/Edge):
1. Press `Ctrl+Shift+Delete` (or `Cmd+Shift+Delete` on Mac)
2. Select:
   - ✅ "Cached images and files"
   - ✅ "Cookies and other site data"
3. Time range: **"All time"**
4. Click **"Clear data"**
5. **Close and restart browser completely**
6. Navigate to: `https://192.168.11.12:8006`

#### Quick Fix (Firefox):
1. Press `Ctrl+Shift+Delete` (or `Cmd+Shift+Delete` on Mac)
2. Select:
   - ✅ "Cached Web Content"
   - ✅ "Cookies"
3. Time range: **"Everything"**
4. Click **"Clear Now"**
5. **Close and restart browser completely**
6. Navigate to: `https://192.168.11.12:8006`

#### Alternative: Use Incognito/Private Mode
1. Open browser in **Incognito/Private mode**
2. Navigate to: `https://192.168.11.12:8006`
3. If it works in incognito, the issue is definitely browser cache

---

## Detailed Browser Cache Clearing Instructions

### Chrome Browser

**Method 1: Keyboard Shortcut**
1. Press `Ctrl+Shift+Delete` (Windows/Linux) or `Cmd+Shift+Delete` (Mac)
2. In the "Clear browsing data" dialog:
   - ✅ Check **"Cached images and files"**
   - ✅ Check **"Cookies and other site data"**
   - Time range: **"All time"**
3. Click **"Clear data"**
4. **Close all Chrome windows**
5. **Restart Chrome**
6. Navigate to: `https://192.168.11.12:8006`

**Method 2: Settings Menu**
1. Click three dots (⋮) → **Settings**
2. Click **Privacy and security** → **Clear browsing data**
3. Click **Advanced** tab
4. Select:
   - ✅ **"Cached images and files"**
   - ✅ **"Cookies and other site data"**
5. Time range: **"All time"**
6. Click **"Clear data"**
7. **Restart browser**

**Method 3: Site-Specific**
1. Navigate to: `https://192.168.11.12:8006`
2. Click the **lock icon** in address bar
3. Click **"Site settings"**
4. Click **"Clear data"**
5. Check **"Cookies"** and **"Cached images and files"**
6. Click **"Clear"**
7. Refresh page

### Firefox Browser

**Method 1: Keyboard Shortcut**
1. Press `Ctrl+Shift+Delete` (Windows/Linux) or `Cmd+Shift+Delete` (Mac)
2. In the "Clear All History" dialog:
   - ✅ Check **"Cached Web Content"**
   - ✅ Check **"Cookies"**
   - Time range: **"Everything"**
3. Click **"Clear Now"**
4. **Close all Firefox windows**
5. **Restart Firefox**
6. Navigate to: `https://192.168.11.12:8006`

**Method 2: Settings Menu**
1. Click hamburger menu (☰) → **Settings**
2. Click **Privacy & Security**
3. Scroll to **"Cookies and Site Data"**
4. Click **"Clear Data"**
5. Check:
   - ✅ **"Cached Web Content"**
   - ✅ **"Cookies and Site Data"**
6. Click **"Clear"**
7. **Restart browser**

### Edge Browser

1. Press `Ctrl+Shift+Delete` (Windows/Linux) or `Cmd+Shift+Delete` (Mac)
2. Select:
   - ✅ **"Cached images and files"**
   - ✅ **"Cookies and other site data"**
3. Time range: **"All time"**
4. Click **"Clear now"**
5. **Close and restart Edge**
6. Navigate to: `https://192.168.11.12:8006`

---

## Verification After Clearing Cache

### Step 1: Clear Browser Cache
Follow the instructions above for your browser.

### Step 2: Close Browser Completely
- Close ALL browser windows
- Make sure browser process is completely closed
- Check Task Manager (Windows) or Activity Monitor (Mac) to verify

### Step 3: Restart Browser
- Open browser fresh
- Do NOT restore previous session/tabs

### Step 4: Access Proxmox UI
- Navigate to: `https://192.168.11.12:8006`
- Use IP address directly (not hostname)

### Step 5: Accept Certificate Warning (First Time Only)
- If you see a security warning, click **"Advanced"**
- Click **"Proceed to 192.168.11.12 (unsafe)"** or **"Accept the Risk and Continue"**
- This is normal for self-signed certificates

### Step 6: Verify No Error 596
- ✅ The GUI should load without SSL error 596
- ✅ You should see the Proxmox login page
- ✅ No error messages in the browser

---

## If Error Still Persists

### Troubleshooting Steps

1. **Try Different Browser**
   - Use a browser you haven't used to access Proxmox
   - Or use a completely different browser

2. **Check Browser Console**
   - Press `F12` to open Developer Tools
   - Go to **Console** tab
   - Look for SSL/certificate errors
   - Go to **Network** tab → Refresh → Check for failed requests

3. **Disable Browser Extensions**
   - Some security extensions block self-signed certificates
   - Try disabling extensions temporarily
   - Especially: HTTPS Everywhere, Privacy Badger, uBlock Origin

4. **Check System Time**
   - Ensure your computer's system time is correct
   - SSL certificates are time-sensitive
   - Time mismatch can cause certificate verification failures

5. **Check for Proxy/VPN**
   - Corporate proxy or VPN may be intercepting SSL
   - Try accessing from a different network
   - Or disable proxy/VPN temporarily

6. **Manual Certificate Import** (Advanced)
   ```bash
   # Get root CA certificate
   ssh root@192.168.11.12 "cat /etc/pve/pve-root-ca.pem" > pve-root-ca.pem
   ```
   - **Chrome**: Settings → Privacy → Security → Manage certificates → Authorities → Import
   - **Firefox**: Settings → Privacy & Security → Certificates → View Certificates → Authorities → Import

---

## Server-Side Verification Commands

If you want to verify the server-side fix:

```bash
# Check certificate dates
ssh root@192.168.11.12 "openssl x509 -in /etc/pve/pve-root-ca.pem -noout -dates"

# Verify certificate chain
ssh root@192.168.11.12 "openssl verify -CAfile /etc/pve/pve-root-ca.pem /etc/pve/local/pve-ssl.pem"

# Check services
ssh root@192.168.11.12 "systemctl status pveproxy pvedaemon"

# Test web interface
curl -k -I https://192.168.11.12:8006/
```

All of these should show ✅ success.

---

## Summary

| Component | Status | Action |
|-----------|--------|--------|
| **Server Certificates** | ✅ Fixed | Regenerated and valid |
| **Proxmox Services** | ✅ Running | All services active |
| **Web Interface** | ✅ Accessible | HTTP 200 |
| **Browser Cache** | ⚠️ **MUST CLEAR** | **Clear cache and cookies** |

---

## Next Steps

1. ✅ **Server-side**: Already fixed
2. ⚠️ **Browser-side**: **CLEAR BROWSER CACHE** (see instructions above)
3. ✅ **Access**: Navigate to `https://192.168.11.12:8006`
4. ✅ **Verify**: Error 596 should be gone

---

**Last Updated**: 2026-01-06  
**Server Status**: ✅ **FIXED**  
**Browser Action**: ⚠️ **REQUIRED - CLEAR CACHE**  
**Critical**: The error will persist in your browser until you clear the cache