Network Configuration
# Network Configuration
This article details the network configuration required for a robust and reliable MediaWiki 1.40 installation. Proper network setup is crucial for performance, security, and accessibility. This guide is intended for system administrators and those responsible for managing the server infrastructure. We will cover essential components like IP addressing, DNS, firewalls, and load balancing.
Understanding Network Requirements
Before configuring the network, it’s important to understand the needs of a MediaWiki installation. These needs vary based on site traffic, the complexity of extensions used, and the size of the wiki (number of pages and multimedia files). Consider the following:
- **Bandwidth:** Sufficient bandwidth is critical for handling user requests, especially for pages containing images and videos.
- **Latency:** Low latency between the web server and the database server is vital for quick page loads.
- **Security:** Protecting the wiki from unauthorized access and malicious attacks is paramount.
- **Scalability:** The network should be able to accommodate future growth in traffic and content.
- **HTTP (Port 80):** For unencrypted web traffic.
- **HTTPS (Port 443):** For encrypted web traffic (highly recommended).
- **SSH (Port 22):** For remote administration (restrict access to trusted IP addresses).
- **Database Port (e.g., 3306 for MySQL/MariaDB):** Only allow access from the web server.
- Server Installation
- DNS Records Explained
- Setting up a Domain Name
- Firewall Best Practices
- WAF Implementation
- Load Balancer Setup
- Nginx Reverse Proxy
- Database Server Configuration
- Web Server Configuration
- Security Hardening
- Performance Tuning
- Troubleshooting Network Issues
- SSL Certificate Installation
- Caching Configuration
- System Resource Monitoring
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For more information on basic server setup, see Server Installation.
IP Addressing and DNS
A static IP address is *strongly* recommended for your MediaWiki server. Using a dynamic IP address can lead to service interruptions if the address changes. Configure your DNS records to point to this static IP address.
Here’s a table outlining example DNS records:
| Record Type | Name | Value | TTL |
|---|---|---|---|
| A | wiki.example.com | 192.168.1.100 | 3600 |
| CNAME | www.wiki.example.com | wiki.example.com | 3600 |
| MX | example.com | mail.example.com | 3600 |
Remember to replace `wiki.example.com`, `192.168.1.100`, and `mail.example.com` with your actual domain name, IP address, and mail server. Further details on DNS configuration can be found at DNS Records Explained. Also, refer to Setting up a Domain Name.
Firewall Configuration
A firewall is essential for protecting your MediaWiki server from unauthorized access. Configure your firewall to allow only necessary traffic. This typically includes:
Here’s an example firewall configuration table (using a simplified representation):
| Port | Protocol | Source | Destination | Action |
|---|---|---|---|---|
| 80 | TCP | Any | 192.168.1.100 | Allow |
| 443 | TCP | Any | 192.168.1.100 | Allow |
| 22 | TCP | 192.168.1.50 | 192.168.1.100 | Allow |
| 3306 | TCP | 192.168.1.100 | 192.168.1.101 | Allow |
Replace the IP addresses with your server's and database server's actual IP addresses. See Firewall Best Practices for more security tips. Also, consider using a Web Application Firewall (WAF) for enhanced protection; information can be found at WAF Implementation.
Load Balancing (Optional)
For high-traffic wikis, load balancing can significantly improve performance and reliability. Load balancing distributes traffic across multiple web servers, preventing any single server from becoming overloaded.
Here’s a table outlining the benefits of load balancing:
| Benefit | Description |
|---|---|
| Increased Availability | If one server fails, traffic is automatically routed to the remaining servers. |
| Improved Performance | Distributes the load across multiple servers, reducing response times. |
| Scalability | Easily add or remove servers as needed to accommodate changing traffic patterns. |
Common load balancing solutions include HAProxy, Nginx, and hardware load balancers. For configuration details, consult the documentation for your chosen solution. You can find more information on load balancing at Load Balancer Setup. Consider using a reverse proxy like Nginx Reverse Proxy.
Network Monitoring
Regular network monitoring is essential for identifying and resolving performance issues. Use tools like `ping`, `traceroute`, and network monitoring software to track network latency, bandwidth usage, and server availability. See Network Monitoring Tools for a list of recommended tools.
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⚠️ *Note: All benchmark scores are approximate and may vary based on configuration. Server availability subject to stock.* ⚠️