ipv4 port number

The Next Generation Network (NGN) is an open network oriented to unconnected IP networks. IPv4 runs successfully on the Internet. With the development of the Internet, IPv4 faces many problems, such as lack of Address Resources, node security, and

From: Http://blog.51cto.com/lijichao/308509/proc/sys/net/ipv4/icmp_timeexceed_rateThis led to the famous "Solaris Middle Star" when traceroute. This file controls the rate at which ICMP Time Exceeded messages are

Network Layer 2 (IPv4 and IPv6 addresses and related protocols) IP (internet protocol) protocol is the core protocol of the TCP/IP protocol family and the network layer of the internet. The current version number is 4, also known as IPv4. The next

For IPv4, lack of IP addresses, network security vulnerabilities, bandwidth problems, and so on. Now the advent of IPv6 solves these problems, but for popularization, it has a considerable problem. To solve this problem, we need to do a good job of

This is a thesis composition. Recently always wanted to write something, but have been unable to find the topic, just received an e-mail, someone asked me the layout of the Linux routing table problem and the problem of routing cache, in addition to

Maximum Transmission Unit (MTU) refers to the Maximum data packet size (in bytes) that can be passed over a layer of a communication protocol ). The maximum transmission unit parameter is usually related to the communication interface (network

In linux, we often use netstat-lnp to query the corresponding port and process based on the port number. However, some ports do not display the corresponding process pid in netstat-lnp, if a port is occupied, find the process that occupies the port

Check the port number opened on the server in Linux. Before discussing this issue, let's take a look at computer concepts such as physical ports, logical ports, and port numbers. Concepts related to ports: In network technology, a Port can be a

In linux, we often use netstat-lnp to query the corresponding port and process based on the port number. However, some ports do not display the corresponding process pid in netstat-lnp, if we use a port that is already in use, we need to find the

IntroductionThis article describes what the IP address and its function and IP address composition, IP address classification, IP subnet partition, subnet mask, public address, private address,VLSM (variable eldest son netmask), CIDR (Non-class