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Security + > Ports And Protocols > Flashcards

Ports And Protocols Flashcards

1
Q

Port 21

A

FTP - File Transfer Protocol
FTP is used to transfer files from the host to host over TCP

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2
Q

Port 22

A

SSH - Secure Shell - used to remotely administer network devices and systems
SCP - used for secure copy
SFTP - used for secure FTP
Over TCP and UDP

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3
Q

Port 23

A

Telnet - unencrypted method to remotely administer network devices (should not be used) over TCP and UDP

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4
Q

Port 25

A

SMTP - Simple Mail Transfer Protocol.
Used to send email over the internet using TCP

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5
Q

Port 53

A

DNS - Domain Name Service.
Used to resolve hostnames to IPs and IPs to hostnames over TCP/UDP

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6
Q

Port 69

A

TFTP - Trivial FTP
Used as a simplified version of FTP to put a file on a remote host, or get a file from a remote host over UDP

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7
Q

Port 80

A

HTTP - Hyper Text Transfer Protocol
Used to transmit web page data to a client for unsecured web browsing over TCP

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8
Q

Port 88

A

Kerberos - Used for network authentication using a system of tickets within a windows domain over TCP and UDP

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9
Q

Port 110

A

POP3 - Post Office Protocol v3
Used to receive email from a mail server over TCP

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10
Q

Port 119

A

NNTP - Network News Transfer Protocol
Used to transport usenet articles over TCP

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11
Q

Port 135

A

RPC/DCOM scm - Remote Procedure Call Used to locate DCOM ports request a service from a program on another computer on the network over TCP and UDP

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12
Q

Port 137 to 139

A

NetBIOS
Used to conduct name querying, sending of data, and other functions over a Net BIOS connection using TCP and UDP

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13
Q

Port 143

A

IMAP - Internet Message Access Protocol
Used to receive emails from a mail server with more features than POP3 using TCP

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14
Q

Port 161

A

SNMP - Simple Network Management Protocol
Used to remotely monitor network devices using UDP

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15
Q

Port 162

A

SNMPTRAP

Used to send Trap and Inform requests to the SNMP Manager on a network using TCP and UDP

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16
Q

Port 389

A

LDAP - Lightweight Directory Access Protocol

Used to maintain directories of users and other objects using TCP and UDP

17
Q

Port 443

A

HTTPS - Hyper Text Transfers Protocol Secure

Used to transmit web page data to a client over an SSL/TLS encrypted connection using TCP

18
Q

Port 445

A

SMB - Server Message Block

Used to provide shared access to files and other resources on a network using TCP

19
Q

Port 465 / 587

A

SMTP - Simple Mail Transfer Protocol with SSL/ TLS

Used to send email over the internet with an SSL and TLS secure connection using TCP

20
Q

Port 514

A

Syslog

Used to conduct computer message logging, especially for routers and firewall logs using UDP

21
Q

Port 636

A

LDAP with SSL/ TLS

LDAP is used to maintain directories of users and other objects over an encrypted SSL/TLS connection using TCP and UDP

22
Q

Port 860

A

iSCSI
Used for linking data storage facilities over IP using TCP

23
Q

Port 989 / 990

A

FTPS - File Transfers Protocol Secure
Used to transfer files from host to host over an encrypted connection using TCP

24
Q

Port 993

A

IMAP4 with SSL/TLS

Internet Message Access Protocol
Used to receive email from a mail server over an SSL/TLS encrypted connection using TCP

25
Q

Port 995

A

POP3 (SSL/TLS) - Post Office Protocol v3

Used to receive email from a mail server using an SSL/TLS encrypted connection over TCP

26
Q

Port 1433

A

Ms-sql-s :- Microsoft SQL server

Used to receive database queries from clients using TCP

27
Q

Port 1645 / 1646

A

RADIUS - Remote Authentication Dail-In User Service (Alternative)

Used for authentication and authorization (1645) and accounting (1646) using UDP

28
Q

Port 1701

A

L2TP - Layer 2 Tunnel Protocol

Used as an underlying VPN protocol but has no inherent security using UDP

29
Q

Port 1723

A

PPTP - Point-to-Point Tunneling Protocol

Used for underlying VPN protocol with built-in security over TCP and UDP

30
Q

Port 1812 / 1813

A

RADIUS - Remote Authentication Dail-In User Service

Used for authentication and authorization (1812) and accounting (1813) using UDP

31
Q

Port 3225

A

FCIP - Fibre Channel IP

Used to encapsulate fibre channel frames within TCP/IP packets using TCP and UDP

32
Q

Port 3260

A

iSCSI Target

Used as the listening port for iSCSI-targeted devices when linking data storage facilities over IP using TCP

33
Q

Port 3389

A

RDP - Remote Desktop Protocol

Used to remotely view and control other windows systems via a Graphical User Interface using TCP and UDP

34
Q

Port 3868

A

Diameter

A more advanced AAA protocol that is a replacement for RADIUS using TCP

35
Q

Port 6514

A

Syslog over TLS

Used to conduct computer message logging, especially for routers and firewall logs, over a TLS-encrypted connection

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