监听端口是计算机当前正在使用的端口，用于建立计算机之间的网络连接。虽然打开、监听和关闭网络端口的过程是无缝的，但识别当前打开或监听的端口可以帮助解决与网络相关的问题。
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I have a sample application of a SIP server listening on both tcp and udp ports 5060. At some point in the code, I do a system(\"pppd file /etc/ppp/myoptions &\");
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When I do \"lsof -n开发者_如何学Pythonl | egrep \"TCP|UDP\" \" in order to see socket states, I notice that the sockets that I expected to be listed are not at all, but when I do a \"netstat --tcp\",
When I send a HTTPS request from Windows7/Vista to Linux Red Hat 4 the netstat -an <my_ip> command shows 开发者_C百科FIN_WAIT1 OR SYNC_RECV status.
I want to store current开发者_如何学C network traffic [b/s] in Mac OS X into a file once a second.
On Linux, is there any way to programmatically get stats for single TCP connection? The stats I am looking for are the sort that are prin开发者_如何学编程ted out by netstat -s, but for a single connec
I know there is a way to run a netstat command on ubuntu so that it keeps updating.Does anyone know?I would like to know when a process opens or closes a socket:
Both \"netstat -p\" and \"lsof -n -i -P\" seems to readlinking all processes fd\'s, like stat /proc/*/fd/*.
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