TCP Ports list (3498 ports in list) 1 tcpmux TCP Port Service Multiplexer 2 compressnet Management Utility 3 compressnet Compression Process 5 rje Remote Job Entry 7 echo Echo 9 discard Discard 11 systat Active Users 13 daytime Daytime (RFC 867) 15 netstat netstat 15/tcp 17 qotd Quote of the Day 18 msp Message Send Protocol 19 chargen Character Generator 20 ftp-data File Transfer [Default Data] 21 ftp File Transfer [Control] 22 ssh SSH Remote Login Protocol 23 telnet Telnet 24 priv-mail any private mail system 25 smtp Simple Mail Transfer 27 nsw-fe NSW User System FE 29 msg-icp MSG ICP 31 msg-auth MSG Authentication 33 dsp Display Support Protocol 35 priv-print any private printer server 37 time Time 38 rap Route Access Protocol 39 rlp Resource Location Protocol 41 graphics Graphics 42 name Host Name Server 43 nicname Who Is 44 mpm-flags MPM FLAGS Protocol 45 mpm Message Processing Module [recv] 46 mpm-snd MPM [default send] 47 ni-ftp NI FTP 48 audi