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Sec + > Ports > Flashcards

Ports Flashcards

1
Q

21 TCP

A

FTP (File Transfer Protocol)

Used to transfer files from host to host

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2
Q

22 TCP/UDP

A

SSH, SCP, SFTP
Secure shell used to remotely administer network devices and systems. SCP used for secure copy.
SFTP for secure File Transfer Protocol.

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3
Q

23 TCP/UDP

A

Telnet

Unencrypted method to remotely administer network devices(should not be used).

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4
Q

25 TCP

A

SMTP

Simple Mail Transfer Protocol used to send email over the internet.

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5
Q

53 TCP/UDP

A

DNS

Domain Name Service is used to resolve host names to IPs and IPs to host names.

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6
Q

69 UDP

A

TFTP
Trivial File Transfer Protocol used as simplified version of FTP to put file on a remote host, or get a file from a remote host.

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7
Q

80 TCP

A

HTTP

Hyper Text Transfer Protocol used to transmit web page data to a client for unsecured web browsing.

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8
Q

88 TCP/UDP

A

Kerberos

Used for network authentication using a system of tickets within a Windows domain.

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9
Q

110 TCP

A

POP3

Post Office Protocol v3 is used to receive email from a mil server.

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10
Q

119 TCP

A

NNTP

Network News Transfer Protocol is used to transport Usenet articles.

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11
Q

135 TCP/UDP

A

RPC/DCOM-scm

Remote procedure call is used to located DCOM ports request a service from a program on another computer in the network.

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12
Q

137-139 TCP/UDP

A

NetBIOS

NetBIOS is used to conduct name querying, signing of data, and other functions over a NetBIOS connection.

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13
Q

143 TCP

A

IMAP

Internet Message Access Protocol is used to receive email from a mail server with more features than POP3.

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14
Q

161 UDP

A

SNMP

Simple Network Management Protocol is used to remotely monitor network devices.

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15
Q

162 TCP/UDP

A

SNMPTRAP

Used to send Trap and InformRequests to the SNMP Manager on a network.

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16
Q

389 TCP/UDP

A

LDAP

Lightweight Directory Access Protocol is used to maintain directories of users and other objects.

17
Q

443 TCP

A

HTTPS

Hyper Text Transfer Protocol Secure is used to transmit web page data to a client over an SSL/TLS-encrypted connection.

18
Q

445 TCP

A

SMB

Server Message Block is used to provide shared access to files and other resources on a network.

19
Q

465/587 TCP

A

SMTP w/ SSL/TLS

Simple Mail Transfer Protocol used to send and email over the internet with an SSL and TLS secured connection.

20
Q

514 UDP

A

Syslog is used to conduct computer message logging, especially for routers and firewall logs.

21
Q

636 TCP/UDP

A

LDAP SSL/TLS

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

22
Q

860 TCP

A

iSCI

iSCI is used for linking data storage facilities over IP.

23
Q

989/990 TCP

A

FTPS

File Transfer Protocol Secure is used to transfer files from host to host over an encrypted connection.

24
Q

993 TCP

A

IMAP4 w/ SSL/TLS

Internet Message Access Protocol is used to receive email from a mail server over an SSL/TLS-encrypted connection.

25
Q

995 TCP

A

POP3 (SSL/TLS)

Post Office Protocol v3 is used to receive email from a mail server over an SSL/TLS-encrypted connection

26
Q

1433 TCP

A

Ms-sql-s

Microsoft SQL server is used to receive SQL database queries from clients.

27
Q

1645/1646 UDP

A

RADIUS (Alternative)

Remote Authentication Dial-In User Service is used for authentication and authorization (1645) and accounting (1646).

28
Q

1701 UDP

A

L2TP

Layer 2 Tunneling Protocol is used as an underlying VPN protocol but has no inherent security.

29
Q

1723 TCP/UDP

A

PPTP

Point-to-Point Tunneling Protocol is an underlying VPN protocol with built-in security.

30
Q

1812/-1813 UDP

A

RADIUS

Remote Authentication Dial-In User Service is used for authentication and authorization (1812) and accounting (1813).

31
Q

3225 TCP/UDP

A

FCIP

Fibre Channel IP is used to encapsulate Fibre Channel frames within TCP/IP packets.

32
Q

3260 TCP

A

iSCSI Target

iSCSI Target is as the listening port for iSCSI-targeted devices when linking data storage facilities over IP.

33
Q

3389 TCP/UDP

A

RDP

Remote Desktop Protocol is used to remotely view and control other Windows systems via a Graphic User Interface.

34
Q

3868 TCP

A

Diameter

A more advanced AAA protocol that is a replacement for RADIUS.

35
Q

6514 TCP

A

Syslog over TLS
It is used to conduct computer message logging, especially for routers and firewall logs, over a TLS-encrypted connection.

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