Brazil's biggest MU Online portal — since 2003
Topic

Firewall

All content about Firewall — 6 results.

Firewall

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Tutorial

How to set up layer 4/7 anti-DDoS protection for MU Online

A complete anti-DDoS defense guide for MU Online servers, covering volumetric mitigation at layer 4 and application protection at layer 7, from the ConnectServer to the website.

14 min · Advanced ·
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Tutorial

How to Configure Advanced Firewall for MU Online Server

Complete technical guide to configure Windows Firewall rules and protect your private MU Online server against attacks, unauthorized access, and connection floods.

12 min · Advanced ·
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Tutorial

How to configure the firewall by port (game/connect/web) in MU Online

Learn how to map and open only the right ports of your MU Online server (ConnectServer, GameServer and Web), blocking the rest to reduce the attack surface without kicking players out.

13 min · Intermediate ·
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Tutorial

MU Online server network setup: port forwarding and Hamachi

Complete guide to networking a MU Online private server: how to identify the ports your server uses (ConnectServer, GameServer, website), how to set up port forwarding on the most common router brands (TP-Link, D-Link, Netgear, Asus), what to do when you have modem + router (double NAT problem and how to solve it with bridge mode), how to configure the Windows Firewall to allow server traffic, using Hamachi as an alternative for friends-only servers (setup, limitations, and why it doesn't scale), diagnosing connection problems with netstat and telnet, and what CGNAT means and why it blocks port forwarding on some ISPs.

12 min · Intermediate ·
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Tutorial

How to Fix a Firewall Blocking a Port on Your MU Online Server

A complete guide to identifying and fixing firewall blocks (Windows Defender, router, antivirus, and ISP) that prevent players from connecting to your MU Online server, with ready-to-use rules and validation tests.

14 min · Intermediate ·
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Tutorial

How to segment your GameServer network to protect your MU Online server

Isolate the GameServer, ConnectServer, and database of your MU Online server into separate network segments, reducing the attack surface against DDoS, intrusion, and exposed-port exploitation.

15 min · Advanced ·