Ports Flashcards
What port is FTP and what is FTP?
Port 20 and 21
FTP transfer computer files between a client and server in a computer network.
Insecure method
Data is sent in the clear
What is port SSH?
22
SSH is a cryptographic network protocol for operating network services securely over an insecure network.
What port is SFTP?
22
SFTP provides file transfer, file access, and file management over any reliable data stream.
What port is Telnet on?
23
Telnet provides bidirectional interactive text-oriented communication using a virtual terminal connection.
Insecure
What port is SMTP on?
25
Internet standard for sending electronic mail.
What port is DNS on?
53
Converts domain name to IP addresses.
What port is DHCP on?
67, 68
DHCP Server dynamically assigns an IP to a networked device.
What port is TFTP on?
69
TFTP transmit files in both directions of a client-server application.
A strepped down version of FTP
What port is HTTP on?
80
The web WWW
What port is POP3 on?
110
Used by local email clients to retrieve emails from a remote server over TCP/IP connection
What port is NTP on?
123
Provides clock synchronization
What port is NetBIOS on?
139
Network basic input/output system.
Provides services allowing applications on separate computers to communicate over a local area network for file and printer share.
What port is IMAP on?
143
Allow clients to retrieve email messages from a mail server over TCP/IP connection.
Allow the user to view and manipulate the message as if they're stored locally.
What port is SNMP on?
161
Simple Network Management provides collection and organization of information about devices on IP networks
Can modify that information to change device behavior
What port is LDAP
389
Lightweight Directory Access
Opened, vendor-neutral, industry standard for accessing and maintaining distributed information services. Uses In AD.