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Network + Exam > Ports and Protocols > Flashcards

Ports and Protocols Flashcards

1
Q

FTP

A
  • Ports 20, 21
  • No encryption
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2
Q

SFTP

A
  • Port 22
  • Funnels FTP through SSH
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3
Q

SSH

A
  • Port 22
  • Secure remote control of another machine
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4
Q

Telnet

A
  • Port 23
  • Insecure remote control of another machine
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5
Q

SMTP

A
  • Port 25
  • Provides ability to send emails over network
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6
Q

DNS

A
  • Port 53
  • Converts domain names to IP addresses and reverse
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7
Q

DHCP

A
  • Ports 67, 68
  • Automatically provides network parameters to your clients
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8
Q

TFTP

A
  • Port 69
  • Stripped down version of FTP
  • Doesn’t provide authentication
  • Used to send config files or network booting of an operating system
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8
Q

HTTP

A
  • Port 80
  • Insecure web browsing
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9
Q

POP3

A
  • Port 110
  • For RECEIVING incoming emails
  • Store & forward method
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10
Q

NTP

A
  • Port 123
  • Keeps internal clients’ clocks updated and accurate on a network
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11
Q

NetBIOS (Network Basic Input/ Output System)

A
  • Port 139
  • Used for file/ printer sharing in a Windows network
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12
Q

IMAP (Internet Message Access Protocol)

A
  • Port 143
  • Newer method of retrieving incoming emails
  • Improves upon POP3
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13
Q

SNMP (Simple Network Management Protocol)

A
  • Ports 161, 162
  • Used to collect data about network devices and monitor status
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14
Q

LDAP

A
  • Port 389
  • Used to provide insecure directory services to a network
  • Like Windows Active Directory but not strictly for Windows (which also uses port 389)
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15
Q

HTTPS

A
  • Port 443
  • Uses SSL or TSL for secure web browsing
16
Q

SMB (Server Message Block)

A
  • Port 445
  • Used for Windows file and printer sharing
  • Operates often on top of NetBIOS but does not need it strictly to operate
17
Q

Syslog (System Logging Protocol)

A
  • Port 514
  • Used to send logging data back to a centralized server
18
Q

SMTP TLS

A
  • Port 587
  • Secure and encrypted way to send emails
19
Q

LDAPS

A
  • Port 636
  • Secure directory services
20
Q

IMAP over SSL

A
  • Port 993
  • Secure and encrypted way to receive emails
21
Q

POP3 over SSL

A
  • Port 995
  • Secure and encrypted way to receive emails
22
Q

SQL (Structured Query Language)

A
  • Port 1433
  • Used for communication from a client to the database engine
23
Q

SQLnet

A
  • Port 1521
  • Client to Oracle database
24
Q

MySQL

A
  • Port 3306
  • Communication from client to MySQL database engine
  • Open source Protocol
25
Q

RDP (Remote Desktop Protocol)

A
  • Port 3389
  • Remote control of another machine with full graphics (like one’s sitting at the computer locally)
26
Q

SIP (Session Initiation Protocol)

A
  • Ports 5060, 5061
  • Used to initiate VoIP and video calls

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