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13 Cards in this Set

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  • Back
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What service uses port 20/21?
FTP
It single/multiple transfers files between computer systems, Uses TCP to actually move the files.
What service uses port 22?
SSH
It is a command line interface used to securely access a remote computer.
What service uses port 23?
Telnet
It provides a virtual terminal or remote login across the network that is connection-based.
What service uses port 25?
SMTP
It allows for simple email service, moves messages from one email server to another.
What service uses port 53?
DNS
It is a service that translates domain names into IP addresses. It is essential for finding the right Web site based on the domain name
What service uses port 69?
TFTP
Same as FTP but not connection oriented.
What service uses port 80?
HTTP
It manages communication between web browser/server.
What service uses port 110?
POP3
It provides storage mechanism for incoming emails, all messages downloaded (can't download selectively), delete/modify without interaction with server
What service uses port 119?
NNTP
It is used to access Usenet news servers (newsgroups.
What service uses port 443?
HTTPS
It is used to sign, authenticate, and encrypt HTTP message.
What service uses port 143?
IMAP4
It is used to download mail selectively, look at message header, download part of a message, search commands available, strong authentication (supports Kerberos.
What service uses port 123?
NTP
It is used to synchronize (set) computer clocks to a standard time zone.
What service uses port 161?
SNMP
It allows network administrators to collect information about the network. Each piece of info to be collected is defined in a Management Information Base (MIB). SNMP uses UDP