Ports Flashcards
21
FTP File Transfer Protocol is used to transfer files from host to host
22
SSH, SCP, SFTP Secure Shell is used to remotely administer network devices and systems. SCP is used for secure copy and SFTP for secure FTP.
23
Telnet Unencrypted method to remotely administer network devices (should not be used)
25
SMTP Simple Mail Transfer Protocol is used to send email over the Internet
69
TFTP Trivial FTP is used as a simplified version of FTP to put a file on a remote host, or get a file from a remote host
80
HTTP Hyper Text Transfer Protocol is used to transmit web page data to a client for unsecured web browsing
88
Kerberos Used for network authentication using a system of tickets within a Windows domain
110
POP3 Post Office Protocol v3 is used to receive email from a mail server
119
NNTP Network News Transfer Protocol is used to transport Usenet articles
135
RPC/DCOMscm Remote Procedure Call is used to located DCOM ports request a service from a program on another computer on the network
137-139
NetBIOS is used to conduct name querying, sending of data, and other functions over a NetBIOS connection
143
IMAP Internet Message Access Protocol is used to receive email from a mail server with more features than POP3
161
SNMP Simple Network Management Protocol is used to remotely monitor network devices
162
SNMPTRAP Used to send Trap and InformRequests to the SNMP Manager on a network
389
LDAP Lightweight Directory Access Protocol is used to maintain directories of users and other objects