PORT NUMBERS Flashcards

1
Q

20, 21

A

FTP
TCP
20 - Data
21 - control

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2
Q

22

A

TCP

SSH / SFTP (SSH)

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3
Q

23

A

TCP

Telnet

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4
Q

25

A

TCP

SMTP

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5
Q

53

A

DNS

TCP/UDP

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6
Q

67

A

DHCP SERVER / BOOTP

UDP

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7
Q

68

A

DHCP CLIENT / BOOTP

UDP

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8
Q

69

A

TFTP

UDP

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9
Q

80

A

HTTP

TCP

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10
Q

110

A

POP3

TCP

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11
Q

137-139

A

NetBios

TCP/UDP

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12
Q

143

A

IMAP

TCP

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13
Q

161/162

A

SNMP

UDP

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14
Q

389

A

LDAP

TCP/UDP

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15
Q

427

A

SLP (Service Location Protocol)

TCP/UDP

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16
Q

443

A

HTTPS or Chef

TCP/UDP

17
Q

445

A

SMB / CIFS (Common Internet File System)

TCP

18
Q

548

A

AFP

TCP

19
Q

3389

A

RDP

TCP/UDP

20
Q

47

A

GRE

N/A

21
Q

49

A

TACACS+

TCP

22
Q

88

A

KDC for Kerberos

TCP/UDP

23
Q

123

A

NTP

UDP

24
Q

500 , 1701

A

L2TP
500 - UDP
1701 - TCP

25
Q

514

A

Syslog

UDP

26
Q

636

A

LDAPS

TCP/UDP

27
Q

990

A

FTPS

TCP/UDP

28
Q

993

A

IMAPS (SSL)

TCP

29
Q

995

A

POP3S (SSL)

TCP

30
Q

1720

A

H.323 - provide audio-visual communication sessions on any packet network.

TCP/UDP

31
Q

1723

A

PPTP

TCP

32
Q

5900

A

VNC (Virtual Networking Computing) - Cross platform OS MAC/LINUX

33
Q

5004, 5005

A

RTP (Real-Time Transfer Protocol)

TCP/UDP

34
Q

5060, 5061

A

SIP

TCP/UDP

35
Q

8140

A

Puppet

TCP

36
Q

4505, 4506

A

Salt

TCP

37
Q

1812, 1813

A

RADIUS

UDP

38
Q

546, 547

A

546 - DHCPv6 Client
547 - DHCPv6 Server
UDP

39
Q

1433, 3306

A
1433 = SQL / TCP
3306 = MySQL / TCP