Which Protocol? Flashcards

Given the port, name the network protocol it uses.

1
Q

7

TCP/UDP

A

ECHO

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2
Q

19

TCP/UDP

A

CHARGEN

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3
Q

20

TCP

A

FTP data port

active mode

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4
Q

21

TCP

A

FTP control port

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5
Q

22

TCP

A

SSH
SCP (over SSH)
SFTP (over SSH)

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6
Q

23

TCP/UDP

A

Telnet

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7
Q

25

TCP

A

SMTP

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8
Q

49

TCP

A

TACACS+

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9
Q

53

UDP

A

DNS name queries

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10
Q

53

TCP

A

DNS zone transfers

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11
Q

69

UDP

A

TFTP

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12
Q

80

TCP

A

HTTP

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13
Q

88

TCP/UDP

A

Kerberos

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14
Q

110

TCP

A

POP3

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15
Q

119

TCP

A

NNTP

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16
Q

137–139

TCP/UDP

A

NetBIOS

17
Q

143

TCP

A

IMAP4

18
Q

161

UDP

A

SNMP

19
Q

162

TCP/UDP

A

SNMPTRAP

20
Q

389

TCP/UDP

A

LDAP

21
Q

443

TCP

A

HTTPS

22
Q

445

TCP

A

SMB

23
Q

465

TCP

A

SMTP (over TLS)

24
Q

500

UDP

A

IPSEC

for VPN with IKE

25
Q

514

UDP

A

SYSLOG

26
Q

636

TCP/UDP

A

LDAP (over TLS)

27
Q

860

TCP

A

iSCSI

28
Q

989/990

TCP/UDP

A

FTPS (over TLS)

29
Q

993

TCP

A

IMAP4 (over TLS)

30
Q

995

TCP

A

POP3 (over TLS)

31
Q

1433

TCP

A

MS-SQL-S

32
Q

1701

UDP

A

L2TP

33
Q

1723

TCP/UDP

A

PPTP

34
Q

1812/1813

UDP

A

RADIUS

35
Q

3225

TCP/UDP

A

FCIP

36
Q

3389

TCP/UDP

A

RDP