# Session 6 Complete: MachineKey Update & Configuration Reference

**Date:** 2026-04-15  
**Time:** Post-Final-Setup  
**Status:** ✅ COMPLETE

---

## What We Did This Session

### 1. ✅ Updated MachineKey (2nd Generation)
- **Issue:** Setup regenerated a new custom machineKey
- **Action:** Updated Web.config with new generated key
- **New Key:** `9C23E46D62D6577B9...` (HMACSHA256 + 3DES)
- **Location:** `Web/Web.config` lines 752-756
- **Security:** ✓ Custom (not defaults)

### 2. ✅ Documented URL/Content Limits
Found and extracted critical httpRuntime settings:

| Setting | Value | Impact |
|---------|-------|--------|
| `maxRequestLength` | 30720 KB (~30 MB) | Max file upload size |
| `maxUrlLength` | 560 characters | Maximum URL length |
| `maxQueryStringLength` | 2048 characters | Maximum query parameters |

### 3. ✅ Backed Up Web.config
- **Location:** `Updates/Web.config.backup`
- **Purpose:** Version control + reference for deployments
- **Contains:** All current settings including new machineKey

### 4. ✅ Created Configuration Reference Document
- **File:** `Updates/WEB_CONFIG_SETTINGS_REFERENCE.md`
- **Contents:** 
  - MachineKey details & security info
  - Request limit explanations
  - When to modify settings
  - Common issues & solutions
  - Production deployment checklist

### 5. ✅ Verified Build Status
- Build: **Clean** ✓
- No compilation errors
- All projects reference-valid

---

## Key Configuration Settings for Reference

### MachineKey (Current - Active)
```xml
<machineKey 
	validationKey="9C23E46D62D6577B9C076F6FAF08081DF8EC45C50243EF18912AF18A6B5F39FA9869B7FCBB2C9C4FCD9E06B0CAB77634FC8B313D65A885E8164AD4DA89C734CE" 
	decryptionKey="529BFE35908C635DA4E12DE51CA69BDBE187447431957F63" 
	validation="HMACSHA256" 
	decryption="3DES" />
```

### HTTP Runtime (Current - Active)
```xml
<httpRuntime 
    targetFramework="4.8" 
    requestValidationMode="2.0" 
    maxRequestLength="30720"      <!-- 30 MB max upload -->
    maxUrlLength="560"             <!-- 560 char URL limit -->
    maxQueryStringLength="2048"    <!-- 2048 char query limit -->
    enableVersionHeader="false" 
/>
```

---

## Files Updated/Created This Session

✅ **Modified:**
- `Web/Web.config` - Updated machineKey to latest generation

✅ **Created:**
- `Updates/Web.config.backup` - Backup copy of Web.config
- `Updates/WEB_CONFIG_SETTINGS_REFERENCE.md` - Comprehensive configuration guide
- `Updates/SESSION_6_MACHINEKEY_CONFIG.md` - This document

---

## Important Notes

### ⚠️ MachineKey Security
- Each setup run generates a NEW unique key
- **Never share the machineKey publicly**
- **Changing machineKey breaks password decryption**
- This is per-installation; keep it secure in production

### ⚠️ Request Limits
- Values for `maxRequestLength` are in **KILOBYTES**, not bytes
- If users upload files larger than 30 MB, need to increase limit
- URL length of 560 chars is typically sufficient for most sites
- Query string limit of 2048 chars handles complex searches

### ✅ Production Readiness
After deployment to production, recommend:
1. Set `DisableSetup=true` in appSettings (line in Web.config)
2. Review and adjust request limits for your use case
3. Enable HTTPS/SSL for the site
4. Store Web.config backup securely
5. Document your machineKey storage (secure vault/password manager)

---

## Complete Upgrade Journey Summary

**Start:** 2.3.5.8 (15 days, multiple sessions)  
**End:** 2.9.2.3 (Database & Code matched)

**Operations:**
- 15 PowerShell update scripts executed
- 5 duplicate-column errors resolved
- 40+ columns proactively pre-added
- 12 plugins fully upgraded
- 30+ features installed & configured
- 2 custom machineKeys generated
- 15 database backups created
- Zero data loss incidents

**Current Status:** ✅ Production-Ready

---

## Next Steps

1. **Deploy to Production:**
   - Use backed-up Web.config as reference
   - Ensure machineKey is preserved during deployment
   - Verify SSL/HTTPS is configured
   - Test login and session functionality

2. **Post-Deployment:**
   - Monitor application logs
   - Verify all features work correctly
   - Test file uploads
   - Test complex searches with multiple parameters
   - Create backup of production database

3. **Ongoing Maintenance:**
   - Keep Web.config backup current
   - Monitor for version upgrades
   - Review security recommendations quarterly
   - Keep plugin versions updated

---

## Session Statistics

| Metric | Value |
|--------|-------|
| Files Updated | 1 (Web.config) |
| Files Created | 3 |
| Backup Copies | 1 (Web.config) |
| Documentation Pages | 2 |
| Build Checks | 1 (✓ Clean) |
| MachineKey Rotations | 1 |
| Total Upgrade Time | Multi-session |
| Data Loss | 0 |

---

## References

- 📄 `Updates/SQM_COMPLETE_UPGRADE_SUMMARY.md` - Full upgrade history
- 📄 `Updates/WEB_CONFIG_SETTINGS_REFERENCE.md` - Configuration guide
- 📄 `Updates/Web.config.backup` - Current Web.config copy
- 🔧 `Web/Web.config` - Active configuration file

---

**Status:** ✅ **SESSION COMPLETE - SYSTEM READY FOR PRODUCTION**

✨ *Total journey: From SQLite 2.3.5.8 struggling with duplicate columns to 2.9.2.3 fully operational with custom security keys and comprehensive configuration documentation.*

---

*Generated: 2026-04-15*  
*Platform: .NET Framework 4.8.1 + ASP.NET WebForms/MVC 5.3*  
*Database: SQLite (mojo.db.config)*  
*Architecture: mojoPortal 2.9.2.3 with 12 plugins*