Protocols and Ports Flashcards
FTP Name
File Transfer Protocol
FTP Protocol used
TCP
FTP Description
Used to transfer files from host to host
FTP Port
21
SSH, SCP, SFTP Name
Secure Shell, Secure Copy, and FTP with SSH
SSH, SCP, SFTP Port
22
SSH, SCP, SFTP Protocol used
TCP/UDP
SSH, SCP, SFTP Description
SSH - Used to remotely administer network devices and systems.
SCP - Used to securely transfer files between remote hosts. Outdated.
SFTP - Provides secure file access, transfer, and management.
Telnet Name
Telnet
Telnet Port
23
Telnet Protocol used
TCP/UDP
Telnet Description
Unencrypted method to remotely administer network devices.
SMTP Name
Simple Mail Transfer Protocol
SMTP Port
25
SMTP Protocol used
TCP
SMTP Description
Used to send mail from host to a mail server.
DNS Name
Domain Name Service
DNS Port
53
DNS Protocol used
TCP/UDP
DNS Description
Resolves host names to IPs and IPs to host names
TFTP Name
Trivial File Transfer Protocol
TFTP Port
69
TFTP Protocol used
UDP
TFTP Description
Used as a simplified version of FTP to pit a file on a remote host, or get a file from a remote host.
HTTP Name
Hyper Text Transfer Protocol
HTTP Port
80
HTTP Protocol used
TCP
HTTP Description
Used to transmit web page data to a client for unsecured web browsing.
Kerberos Port
88
Kerberos Protocol used
TCP/UDP
Kerberos Description
Used for network authentication using a system of tickets within a Windows domain.
POP3 Name
Post Office Protocol version 3
POP3 Port
110
POP3 Protocol used
TCP
POP3 Description
Used to receive email from a mail server.
NNTP Name
Net News Transfer Protocol
NNTP Port
119
NNTP Protocol used
TCP
NNTP Description
Protocol used to transport Usenet articles.
RPC Name
Remote Procedure Call
RPC Port
135
RPC Protocol used
TCP/UDP
RPC Description
Used to locate DCOM ports to request a service from a program on another computer on a network.
NetBIOS Name
Network Basic Input/Output System
NetBIOS Port
137, 138, and 139
NetBIOS Protocol used
TCP/UDP
NetBIOS Description
Used to conduct name querying, sending of data, and other functions over a NetBIOS connection.
IMAP Name
Internet Message Access Protocol
IMAP Port
143
IMAP Protocol used
TCP
IMAP Description
Used to receive email from a server with more features than POP3.
SNMP Name
Simple Network Management Protocol
SNMP Port
161
SNMP Protocol used
UDP