Tag Archives: port numbers

Most Frequently Used TCP Ports With Short Description – Part II

Here are the remaining list of well-known ports. Port No. Description 103 X.400 Standard 108 SNA Gateway Access Server 109 POP2 110 POP3 115 Simple File Transfer Protocol (SFTP) 118 SQL Services 119 Newsgroup (NNTP) 137 NetBIOS Name Service 139 NetBIOS Datagram Service 143 Interim Mail Access Protocol (IMAP) 150 NetBIOS Session Service 156 SQL Server 161… Read More »