Common interfaces in the Network

 
21/tcp FTP File Transfer Protocol
22/tcp SSH secure logon, file transfer (SCP), and port redirection
23/tcp Telnet insecure text transmission
25/tcp SMTP Simple Mail Transfer Protocol (E-Mail)
 

79/tcp finger
80/tcp HTTP Hypertext Transfer Protocol (WWW)
88/tcp Kerberos authenticating agent
110/tcp POP3 Post Office Protocol (E-Mail)
113/tcp ident old identification server system
119/tcp NNTP used for Usenet newsgroups
220/tcp imap3
443/tcp HTTPS used for securely transferring web pages

 

 
69/udp TFTP Trivial File Transfer Protocol
 

Common interfaces in the Network