Ports Flashcards

1
Q

Telnet.
Telecommunications network

A

TCP 23

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2
Q

Secure shell. SSH

A

TCP. 22

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3
Q

DNS.
Domain name system

A

UDP. 53

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4
Q

SMTP
Simple mail transfer protocol

A

Plaintext tcp. 25
Tcp encryption 587

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5
Q

Receiving email POP3

A

110
995 secure

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6
Q

IMAP4
Internet message access protocol

A

143 plain text
993 secure

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7
Q

SFTP. Secure FTP
File transfer protocol

A

22

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8
Q

FTP

A

20
21 secure

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9
Q

TFTP
TRIVIAL File transfer protocol

A

69 UDP

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10
Q

DHCP
Dynamic host configuration protocol

A

67
68

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11
Q

HTTP
HTTPS

A

80
443

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12
Q

SNMP
Simple Network management protocol

A

161
Secure trap 162

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13
Q

SYSLOG

A

514

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14
Q

RDP

A

3389

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15
Q

NTP
Network router protocol

A

123

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16
Q

SIP
session initiation protocol

A

5060
5061

17
Q

SMB
server message block

A

445

18
Q

LDAP.
LDAPS

A

389
Secure 636

19
Q

Microsoft SQL Server

A

1433

20
Q

Oracle SQL
Net or Net8

A

1521

21
Q

MySQL

A

3306

22
Q

ICMP

A

Internet control message protocol

23
Q

GRE

A

Generic Routing Encapsulation
Sending information through a tunnel

24
Q

IPSEC

A

Internet protocol security
OSI Layer 3

25
Q

Used. by IPSEC

A

AH. Authentication header. Hash of packet
ESP Encapsulation security payload. Encrypts packet

26
Q

Web browsing

A

80

27
Q

NetBios
Windows file sharing

A

139