Ports to Memorize Flashcards
TCP: FTP: File Transfer Protocol transfers files from host to host.
21
22
TCP/UDP: SSH (Secure Shell), SCP (Secure Copy Protocol), SFTP (Secure File Transfer Protocol).
23
TCP/UDP: Telnet: Unencrypted method to remotely administer network devices, should not be used.
25
TCP:SMTP: Simple Mail Transfer Protocol sends e-mail over the internet.
53
TCP/UDP:DNS: Domain Name Service: Used to resolve IPs to host names and vice/versa.
69
UDP:TFTP: Trivial FTP is simplified version of FTP to put a file on or get a file from a remote host.
80
TCP:HTTP: Hyper-Text Transfer Protocol transmits web page data to a client for unsecured web browsing.
88
TCP/UDP:Kerberos: Network authentication using a system of tickets within a Windows domain.
110
TCP: POP3: Post Office Protocol v3 used to receive email from a mail server.
119
TCP: NNTP: Network News Transfer Protocol used to transport Usenet articles.
135
TCP/UDP:RPC/DCOM-scm: Remote procedure call locates DCOM ports requests a service from another computer on the network.
137-139
TCP/UDP:NetBIOS: Conducts name-querying, sending of data, and other functions over NetBIOS connection.
143
TCP:IMAP: Internet Message Access Protocol receives mail from mail server, more secure than POP3.
161
UDP:SNMP: Simple Network Management Protocol remotely monitors network devices.
162
TCP/UDP:SNMPTRAP: Sends Trap and Inform requests to the SNMP manager on a network.