After arriving in Shenzhen, the China Telecom broadband here does not provide public IPv4 (it can be obtained for an additional fee of 100 yuan per month, which I am reluctant to pay), so my previous “home” solution—Surge Ponte over IPv4 Port forwarding is no longer usable. I can only use DMZ + Surge Ponte … Read more
Linux Configuration of IPv4 or IPv6 Addresses Configuration Configuration Introduction • View Network ifconfig • Network Interface Introduction • <span>eth0</span> : Local network interface (CentOS7 uses ens33) • <span>lo</span> : Internal network interface, manages internal IP, which is the 127.0.0.1 address • <span>virbr0</span> : Virtual network interface • Configuration File <span>ifcfg-<interface></span> • <span>ifcfg-eth0</span> : Configuration … Read more
The IP address in Linux systems is essentially a logical address used to identify devices in a network, divided into two main categories: IPv4 and IPv6. In daily use, IPv4 is predominant, and the configuration methods are categorized into temporary and permanent configurations. Classification of IP Addresses 01 The IP addresses in Linux systems follow … Read more
Basic Concepts of Firewalls All security topics are inseparable from the involvement of firewalls, especially in <span>OpenWrt</span>. Understanding the concept of firewall zones and the three types of rules is essential for correctly configuring SSH, VPN, port forwarding, and other functions. What is a Firewall Zone? In OpenWrt, firewalls do not write rules for individual … Read more
Click the blue text aboveFollow usIn order to implement the “Work Arrangement for Deepening the Large-Scale Deployment and Application of IPv6 in 2024” issued by the Central Cyberspace Affairs Commission, the National Development and Reform Commission, and the Ministry of Industry and Information Technology, and to promote the use of IPv6 in the internet access … Read more
To implement the “2024 Work Plan for Deepening the Large-Scale Deployment and Application of IPv6” issued by the Central Cyberspace Affairs Commission, the National Development and Reform Commission, and the Ministry of Industry and Information Technology, and to promote the early activation of IPv6 for internet access in various levels of party and government organs, … Read more
2024 marks the 30th anniversary of China’s full access to the Internet. Over the past 30 years, the Internet has profoundly changed the way people work and live, driving social transformation. Recently, to commemorate the 30th anniversary of China’s full access to the international Internet, the “Chronicle of the Origins and Development of China’s Internet … Read more
Solution 1: DDNS (Home Network Requires a Public IP) How to determine if there is a public IP? The general process is to change the optical modem to bridge mode, switch from optical modem dialing to router dialing, and check the IP obtained from the router management page. Use this IP to verify on an … Read more
Router Flashing This section refers to the relevant tutorials from various manufacturers, but it is said that there is a firmware called breed, which seems to make the router less likely to become bricked after flashing! Changing the Default Mirror Source of the Router and Preparation Work Connect to the router using SSH, by default … Read more
The current IPv4 address pool on the internet has been completely allocated, leading to the basic popularization of IPv6 addresses. It is essential for technicians using OpenWrt to understand the relevant basic information about IPv6. This article introduces some of the most commonly used configuration guides related to IPv6 on OpenWrt. IPv6 addresses are represented … Read more