Firewall

In-Depth Defense Strategies for Industrial Control Systems

by
In-Depth Defense Strategies for Industrial Control Systems

1. Introduction As Industrial Control Systems (ICS) face potential threats from remote maintenance, unauthorized operations, malware intrusions, illegal access, and internet connectivity, there are certain vulnerabilities in network boundaries, access control, communication protection, malicious operation control, and malware protection. Therefore, a single protective measure is no longer effective. ICS, as the core of industrial infrastructure, … Read more

Common Firewall Filtering Rules in OpenWrt

by
Common Firewall Filtering Rules in OpenWrt

Firewall filtering rules in OpenWrt include: 1. Input Filtering Rules: Determine which packets can enter the home network through the router’s network interface, and which packets need to be blocked or discarded. 2. Output Filtering Rules: Determine which packets can leave the home network through the router’s network interface, and which packets need to be … Read more

Configuring Guest WiFi on OpenWRT

by
Configuring Guest WiFi on OpenWRT

1. Add a New AP Access Point Go to Network –> Wireless page and click the add button for your wireless interface. Create a new network interface in the network section (other settings can be customized). 2. Edit the New LAN Interface After saving and applying, a new interface will appear in Network –> Interfaces, … Read more