Port Numbers Flashcards

1
Q

DHCP

A

Dynamic Host Configuration Protocol: Automated configuration of IP address
UDP 67, 68

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2
Q

DNS

A

Domain Name System: Converts names to IP addresses
TCP/UDP 53

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3
Q

FTP

A

File Transfer Protocol:
(20 Active mode data)
(21 Control)
TCP 20,21

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4
Q

H.323

A

TCP 1720

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5
Q

HTTP

A

Hypertext Transfer Protocol:
Communication in the browser in the clear.
TCP 80

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6
Q

HTTPS

A

Hypertext Transfer Protocol Secure:
Communication in the browser that is encrypted.
TCP 443

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7
Q

IMAP

A

Internet Message Access Protocol:
Manage email inboxes from multiple clients.
TCP 143

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8
Q

IMAP over SSL

A

Internet Message Access Protocol:
Manage email inbox from multiple clients over secure sockets layer
TCP 993

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9
Q

LDAP

A

Lightweight Directory Access Protocol:
Store and retrieve information in a network directory
TCP 389

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10
Q

LDAPS

A

Lightweight Directory Access Protocol Secure:
A non-standard implementation of LDAP over SSL
TCP 636

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11
Q

MGCP

A

TCP / UDP 2427

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12
Q

MySQL

A

MySQL:
Free and open-source database
3306

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13
Q

NTP

A

Network Time Protocol:
UDP 123

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14
Q

POP3

A

Post Office Protocol:
Basic mail transfer functionality
TCP 110

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15
Q

POP3 over SSL

A

Post Office Protocol over Secure Sockets Layer:
Basic mail transfer functionality over SSL
TCP 995

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16
Q

RDP

A

Remote Desktop Protocol:
Can connect to an entire desktop or just an application.
TCP / UDP 3389

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17
Q

SFTP

A

TCP 22

18
Q

SIP

A

Session Initiation Protocol
TCP / UDP 5060, 5061

19
Q

SMB

A

TCP / UDP 3020
TCP 445

20
Q

SMTP

A

TCP 25

21
Q

SMTP over TLS

A

TCP 587

22
Q

SNMP

A

UDP 161, 162

23
Q

SQL Server

A

TCP / UDP 1433

24
Q

SQLnet

A

TCP 1521

25
Q

SSH

A

TCP 22

26
Q

Syslog

A

UDP 514

27
Q

Telnet

A

TCP 23

28
Q

TFTP

A

UDP 69

29
Q

UDP 67, 68

A

DHCP
Dynamic Host Configuration Protocol:
Automated configuration of IP address.

30
Q

TCP/UDP 53

A

DNS
Domain Name System:
Converts names to IP addresses

31
Q

TCP 20,21

A

FTP
File Transfer Protocol
tcp/20 (Active Mode Data)
tcp/21 ( Control)

32
Q

TCP 80

A

HTTP
Hypertext Transfer Protocol:
Communication in the browser in the clear.

33
Q

TCP 443

A

HTTPS
Hypertext Transfer Protocol Secure:
Communication in the browser that is encrypted.

34
Q

TCP 143

A

IMAP
Internet Message Access Protocol:
Manage email inbox from multiple clients

35
Q

TCP 993

A

IMAP over SSL
Internet Message Access Protocol:
Manage email inbox from multiple clients over secure sockets layer

36
Q

TCP 389

A

LDAP
Lightweight Directory Access Protocol:
Store and retrieve information in a network directory

37
Q

TCP 636

A

LDAPS
Lightweight Directory Access Protocol Secure:
A non-standard implementation of LDAP over SSL

38
Q

UDP 123

A

NTP
Network Time Protocol:

39
Q

TCP 110

A

POP3
Post Office Protocol:
Basic mail transfer functionality

40
Q

TCP 995

A

POP3 over SSL
Post Office Protocol over Secure Sockets Layer:
Basic mail transfer functionality over SSL

41
Q

TCP / UDP 3389

A

RDP
Remote Desktop Protocol:
Can connect to an entire desktop or just an application.