ToolJet/docs/versioned_docs/version-3.16.0-LTS/setup/postgresql-13-16/tj/security.md

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---
id: security
title: Security and Support
---
## Security Considerations
### During Upgrade
- Database is temporarily accessible during restore process
- Ensure no unauthorized network access during upgrade
- All passwords remain unchanged in PostgreSQL 16
### After Upgrade
- Review and update security configurations
- Consider enabling additional PostgreSQL 16 security features
- Monitor for any unusual database activity
## Support and Recovery
### If You Need Help
1. **Check the logs**: All operations are logged with timestamps
2. **Review backups**: Multiple backup layers are created
3. **Use role fix mode**: For role-related issues post-upgrade
4. **Rollback option**: Complete instructions provided above
### Backup Retention
- **Keep database dumps**: For at least 30 days
- **Volume backups**: Can be removed after successful verification
- **Configuration backups**: Keep indefinitely