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CompTIA Security+ SY0-601 > Port numbers > Flashcards

Port numbers Flashcards

1
Q

FTP (File Transfer Protocol)

A

Ports 20, 21

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2
Q

SSH (Secure SHell)

A

Port 22

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3
Q

SFTP (SSH File Transfer Protocol)

A

Runs through an SSH tunnel on port 22. Not the same as FTP or FTPS. more common than FTPS.

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4
Q

Telnet

A

Port 23

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5
Q

SMTP (Simple Mail Transfer Protocol)

A

Port 25

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6
Q

DNS (Domain Name System)

A

Port 53

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7
Q

HTTP (Hypertext Transfer Protocol)

A

TCP Port 80

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8
Q

POP3 (Post Office Protocol, version 3)

A

Port 110

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9
Q

IMAP4 (Internet Message Access Protocol version 4)

A

TCP Port 143

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10
Q

SNMPv3 (Simple Network Management Protocol version 3)

A

UDP ports 161, 162

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11
Q

LDAP (Lightweight Directory Access Protocol)

A

Port 389

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12
Q

NNTP (Network News Transfer Protocol)

A

Port 433

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13
Q

SSL/TLS (Secure Sockets Layer, Transport Layer Security)

A

TCP Port 443

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14
Q

HTTPS (Hypertext Transfer Protocol over SSL/TLS)

A

TCP Port 443 (same as SSL/TLS)

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15
Q

SMTPS (Simple Mail Transfer Protocol over SSL/TLS)

A

Port 465 OR 587

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16
Q

IKE (Internet Key Exchange) protocol

A

UDP port 500 - is used by ISAKMP in IPSec to negotiate the SA - security association - between hosts

17
Q

STARTTLS

A

Port 587, older version of SMTPS

18
Q

LDAPS (Secure Lightweight Directory Access Protocol)

A

Port 636

19
Q

FTPS (File Transfer Protocol Secure)

A

Port 990 (for implicit FTPS). Port 21, the normal FTP command port, is used for explicit FTPS

20
Q

IMAPS (Internet Message Access Protocol over SSL/TLS)

A

TCP Port 993

21
Q

POP3S (Post Office Protocol version 3 over SSL/TLS)

A

Port 995

22
Q

Microsoft SQL

A

Port 1433

23
Q

MySQL

A

Port 3306

24
Q

RDP (Remote Desktop protocol)

A

Port 3389

25
Q

RTP (Real-time Transport Protocol)

A

UDP Port 5004

26
Q

SRTP (Secure Real-time Transport Protocol)

A

UDP Port 5004

27
Q

Additional web servers non-standard

A

Port 8080

28
Q

PPTP (Point-to-Point Tunneling Protocol)

A

TCP Port 1723. Early VPN developed by Microsoft

29
Q

L2TP (Layer 2 Tunneling Protocol)

A

in IPsec, port 500

30
Q

Microsoft SQL

A

Port 1433

31
Q

TFTP (Trivial File Transfer Protocol)

A

Port 69

32
Q

Kerberos

A

Port 88

CompTIA Security+ SY0-601 (13 decks)

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