Port Numbers Flashcards

1
Q

FTP-DATA ( File transfer-data )

A

TCP PORT 20

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2
Q

FTP-Control ( File transfer-control )

A

TCP PORT 21

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3
Q

SSH ( Secure Shell; Also is slogin (secure login in Linux), scp (secure copy in Linux), and SFTP (Secure File Transfer Protocol). )

A

TCP PORT 22

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4
Q

TELNET ( Telnet )

A

TCP PORT 23

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5
Q

SMTP ( Simple Mail Transfer Protocol )

A

TCP PORT 25

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6
Q

TACACS+ ( Terminal Access Controller Access Control System + )

A

TCP PORT 49

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7
Q

DNS ( Domain Name System )

A

TCP AND UDP PORT 53

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8
Q

DHCPv4 ( Dynamic Host Configuration Protocol for Ipv4–client to server )

A

UDP PORT 67

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9
Q

DHCPv4 ( Dynamic Host Configuration Protocol for IPv4–server to client )

A

UDP PORT 68

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10
Q

TFTP ( Trivial File Transfer Protocol )

A

UDP PORT 69

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11
Q

HTTP ( Hypter-Text Transfer Protocol )

A

TCP AND UDP PORT 80

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12
Q

Kerberos ( Kerberos AAA )

A

TCP/UDP PORT 88

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13
Q

POP3 ( Post Office Protocol 3 )

A

TCP PORT 110

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14
Q

NTP ( Network Time Protocol )

A

UDP PORT 123

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15
Q

NetBIOS ( TCP/IP legacy support for the outdated NetBIOS protocols )

A

TCP AND UDP PORTs 137-139

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16
Q

IMAP4 ( Internet Message Access Protocol )

A

TCP PORT 143

17
Q

SNMP ( Simple Network Management Protocol )

A

TCP AND UDP PORT 161

18
Q

LDAP ( Lightweight Directory Access Protocol )

A

TCP PORT 389

19
Q

HTTPS ( Hypter-Text Transfer Protocol Secure )

A

TCP PORT 443

20
Q

SMB ( Server Message Block )

A

TCP PORT 445

21
Q

IPSec ( Internet Protocol Security )

A

TCP/UDP PORT 500

22
Q

DHCPv6 ( Dynamic Host Configuration Protocol for Ipv6–client to server )

A

UDP PORT 546

23
Q

DHCPv6 ( Dynamic Host Configuration Protocol for Ipv6–server to client )

A

UDP PORT 547

24
Q

LDAPS ( Lightweight Directory Access Protocol Secure )

A

TCP PORT 636

25
Q

L2TP ( Layer 2 Tunnelling Protocol )

A

TCP/UDP PORT 1701

26
Q

H.323 ( Packet-based Multimedia Communications Systems )

A

TCP PORT 1720

27
Q

PPTP ( Point-to-Point Tunneling Protocol )

A

TCP PORT 1723

28
Q

RADIUS ( Remote Authentication Dial-In User Service )

A

UDP PORT 1812

29
Q

MGCP ( Media Gateway Control Protocol )

A

TCP AND UDP PORT 2427/2727

30
Q

RDP ( Remote Desktop Protocol )

A

TCP PORT 3389

31
Q

RTP ( Real-time Transport Protocol )

A

UDP PORT 5004

32
Q

RTCP ( Real-time Transport Control Protocol )

A

UDP PORT 5005

33
Q

SIP ( Session Initiation Protocol, not encrypted )

A

UDP PORT 5060

34
Q

SIPS ( Encrypted SIP )

A

UDP PORT 5061