Ports Flashcards

1
Q

TCP 20

A

FTP

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2
Q

TCP 21

A

FTP

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3
Q

TCP 22

A

SSH (SFTP)

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4
Q

TCP 23

A

Telnet

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5
Q

TCP 25

A

SMTP

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6
Q

TCP 53

A

DNS

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7
Q

UDP 53

A

DNS

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8
Q

UDP 67

A

DHCP

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9
Q

UDP 69

A

TFTP

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10
Q

TCP 80

A

HTTP

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11
Q

TCP 110

A

POP3

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12
Q

TCP 135

A

RPC

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13
Q

TCP 137

A

NetBIOS

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14
Q

TCP 138

A

NetBIOS

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15
Q

TCP 139

A

NetBIOS

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16
Q

TCP 143

A

IMAP

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17
Q

UDP 161

A

SNMP

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18
Q

UDP 162

A

SNMP

19
Q

UDP 137

A

NetBIOS

20
Q

UDP 138

A

NetBIOS

21
Q

UPD 139

A

NetBIOS

22
Q

TCP 389

A

LDAP

23
Q

UDP 389

A

LDAP

24
Q

TCP 443

A

HTTPS

25
Q

TCP 445

A

SMB

26
Q

FTP

A

TCP 20/21

27
Q

SSH

A

TCP 22

28
Q

Telnet

A

TCP 23

29
Q

SMTP

A

TCP 25

30
Q

DNS

A

TCP and UDP 53

31
Q

DHCP

A

UDP 67

32
Q

TFTP

A

UDP 69

33
Q

HTTP

A

TCP 80

34
Q

POP3

A

TCP 110

35
Q

RPC

A

TCP 135

36
Q

NetBIOS

A

TCP and UDP 137-139

37
Q

IMAP

A

TCP 143

38
Q

SNMP

A

UDP 161/162

39
Q

LDAP

A

TCP and UDP 389

40
Q

HTTPS

A

TCP 443

41
Q

SMB

A

TCP 445

42
Q

UDP 514

A

Syslog

43
Q

Syslog

A

UDP 514