In Linux, there are various methods to check the usage of ports and their corresponding applications. Here are several commonly used methods: 1. Use the <span>ss</span> command (recommended) <span>ss</span> (Socket Statistics) is a modern replacement for <span>netstat</span>, which is more efficient. # View all listening ports and corresponding programs sudo ss -tulnp # Parameter explanation: … Read more
Cisco Certification | Huawei Certification | IT Technology | Network Engineer👇3000-person technical exchange QQ group Note: [Public Account] Faster access When we enjoy the convenience brought by the internet, few people think of the behind-the-scenes heroes that make everything possible. Today, we will unveil one of these mysterious roles—ports. Ports play a crucial role in … Read more
Click the blue text to follow me â–˛ Learning must seek insights, and industry must value specialization [Image] “Common Protocols in TCP/IP” [Image] 1. Application Layer: Data is generated based on network services —— (Common protocols: HTTP, FTP, SFTP, SMTP, DNS) 2. Transport Layer: Encapsulating PDU into data segments —— (Common protocols: TCP/UDP) Identified by … Read more
For laymen, you can simply understand ports as the exit for communication between a computer and the outside world. However, in network technology, ports generally have two meanings: (1) Ports in Hardware Devices Such as interfaces in switches and routers used to connect other devices. (SC ports, etc.) (2) Ports in TCP/IP Protocols Such as … Read more
In network technology, a port generally has two meanings: first, it refers to the physical interface (hardware) between computers and other devices. For example, interfaces like RJ-45 ports and SC ports used to connect other network devices such as switches and routers. Second, it refers to the logical virtual ports (software), which typically refer to … Read more
WeChat Search Technical Training Computer ports are interfaces or connection points between a computer and its peripheral devices. Common peripheral devices include mice, keyboards, monitors or display units, printers, speakers, flash drives, etc. The main function of computer ports is to serve as attachment points where peripheral device cables can be plugged in, allowing data … Read more