来源:www.ttlsa.com/linux-command/ss-replace-netstat/ ss命令用于显示socket状态. 他可以显示PACKET sockets, TCP sockets, UDP sockets, DCCP sockets, RAW sockets, Unix domain sockets等等统计. 它比其他工具展示等多tcp和state信息. 它是一个非常实用、快速、有效的跟踪IP连接和sockets的新工具.SS命令可以提供...
Using the ss command f you don’t have the netstat utility available, it might have been replaced with a newer toolkit. In that case, you usually have thessutility available (iproute2 package). To use the ss tool to see on Linux which ports are used by a particular process: ...
Terminating the processes that run on a specific port is a fundamental task in Linux. Therefore, in this short blog, we briefly explained how to use the commands such as “lsof” to find the PIDs and “pkill” or “kill” to end the process. Alternatively, the “fuser” command can als...
The socket options listed below can besetby usingsetsockopt(2)and readwithgetsockopt(2)withthe socket levelsettoSOL_SOCKETforall sockets.Unless otherwise noted,optval is a pointer to an int...SO_REUSEPORT(since Linux3.9)Permits multipleAF_INETorAF_INET6sockets to be bound to an identical socke...
ufwrules do not reset on reboot. This is because it is integrated into the boot process, and the kernel saves the firewall rules usingufwby applying appropriate config files. Forfirewalld If you want to add the port to the firewall’s persistent configuration and apply the changes immediatel...
To find the process/service listening on a particular port, type (specify the port). $ lsof -i :80 Find Port Using lsof Command 3. Using fuser Command fuser commandshows the PIDs of processes using the specified files or file systems in Linux. ...
In this tutorial, we will show you how to find and kill a process using a specific port on macOS. If you have ever run software on your Mac and run into an error about a port being in use, you will want to know how to find the process using that port and then how to kill ...
Secondary HTTP proxy (local Linux) proxy socks -t tcp -p ":8080" -T kcp -P "22.22.22.22:38080" --kcp-key mypassword Then access the local port 8080 is to access the proxy port 38080 on the VPS, the data is transmitted through the kcp protocol. notice: When using the kcp protocol...
Steps to Enable Port 80 and 443 on Linux To open a port on Linux, you first need to check open ports using netstat or ss command as showing below: netstat -lntu OR ss -lntu After testing opened ports, use the below commands to allow TCP connections. Here, we have taken port-80, fo...
If you use a tool to verify that a port forwarding works, please make sure to start the server process. If no server is running on the forwarded port, the tool might show the port as closed. See issue#88. Under Ubuntu Linux it is not possible to retrieve the IP address of the local...