{"id":472,"date":"2011-03-29T22:34:29","date_gmt":"2011-03-30T04:34:29","guid":{"rendered":"http:\/\/blog.supportpro.com\/?p=472"},"modified":"2018-10-04T06:06:27","modified_gmt":"2018-10-04T12:06:27","slug":"to-find-ports-opened-on-the-server","status":"publish","type":"post","link":"https:\/\/www.supportpro.com\/blog\/to-find-ports-opened-on-the-server\/","title":{"rendered":"To find ports opened on the server"},"content":{"rendered":"


\n<\/span><\/span>Login to the server:<\/span>
\n<\/span>telnet localhost “portnumber”<\/span>
\n<\/span><\/p>\n

netstat command to find open ports<\/span>
\n<\/span>———————————-<\/span>
\n<\/span>netstat –listen<\/span>
\n<\/span>
\n<\/span>To display open ports and established TCP connections, enter<\/span>
\n<\/span>—————————————————————-<\/span>
\n<\/span>netstat -vatn<\/span>
\n<\/span>
\n<\/span>To display only open UDP ports try the following command:<\/span>
\n<\/span>————————————————————<\/span>
\n<\/span>netstat -vaun<\/span>
\n<\/span>
\n<\/span>To display the list of open ports, enter:<\/span>
\n<\/span>———————————————<\/span>
\n<\/span>lsof -i<\/span><\/p>\n

If you require help, contact SupportPRO Server Admin<\/a><\/p>\n

\"Server<\/a><\/span>