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Security + Ports > Ports/Protocols > Flashcards

Ports/Protocols Flashcards

1
Q

What is Port 80?

A

HTTP- Hyper Text Transfer Protocol
–Transmit web page data to client unsecured web browsing
–TCP

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2
Q

What is Port 21?

A

FTP- File Transfer Protocol
–Transfer files from host to host
–TCP

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3
Q

What is Port 22?

A

SSH- Secure Shell
SCP- Secure Copy Protocol
SFTP- Secure File Transfer Protocol
–Remote administration of network devices
–TCP/UDP

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4
Q

What is Port 23?

A

Telnet
–Unencrypted remote network administration
–TCP/UDP
(Do not use)

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5
Q

What is Port 25?

A

SMTP- Simple Mail Transfer Protocol
–Send mail over internet
–TCP

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6
Q

What is Port 53?

A

DNS- Domain Name Service
–Resolve host names to IPs and vice versa
–TCP/UDP

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7
Q

What is Port 69?

A

TFTP - Trivial FTP
–Simplified FTP, put or get file on remote host
–UDP

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8
Q

What is Port 88?

A

Kerberos
–Network authentication using tickets in Windows
–TCP/UDP

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9
Q

What is Port 110?

A

POP3- Post Office Protocol v3
–Receive email from mail server
–TCP

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10
Q

What is Port 119?

A

NNTP- Network News Transfer Protocol
–Transport Usenet articles
–TCP

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11
Q

What is Port 135?

A

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

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12
Q

What is Port 137-139?

A

NetBIOS
137 - name query TCP/UDP
138 - Datagram sending data UDP
139 - session connection TCP

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13
Q

What is Port 143?

A

IMAP - Internet Message Access Protocol
–To receive email from mail server, more features than POP3
–TCP

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14
Q

What is Port 161?

A

Simple Network Management Protocol
–remotely monitor network devices
–UDP

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15
Q

What is Port 162?

A

SNMPTRAP
– send trap and inform requests to SNMP manager on network
–TCP/UDP

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16
Q

What is Port 389?

A

LDAP - Lightweight Directory Access Protocol
–maintain directories of users and other objects
–TCP/UDP

17
Q

What is Port 443?

A

HTTPS - Hypertext Transfer Protocol Secure
–transmit web page data to client over SSL/TLS
–TCP

18
Q

What is Port 445?

A

SMB - Server Message Block
–provide shared access to files/other resources over network
–TCP

19
Q

What is Port 465/587?

A

SMTP with SSL/TLS - Simple Mail Transfer Protocol
–send mail over internet w/ SSL/TLS secured connection
–TCP

20
Q

What is Port 514?

A

Syslog
– to conduct computer message logging, esp. for routers and firewall logs
–UDP

21
Q

What is Port 636?

A

LDAP SSL/TLS
– maintain directories of users/objects over SSL/TLS encrypted connection
–TCP/UDP

22
Q

What is Port 860?

A

iSCSI - internet Small Computer Systems Interface
–linking data storage facilities over IP
–TCP

23
Q

What is Port 989/990?

A

FTPS - File Transfer Protocol Secure
–transfer files host to host over encrypted connection
–TCP

24
Q

What is Port 993?

A

IMAP4 with SSL/TLS - Internet Message Access Protocol
– receive email from mail server over SSL/TLS
–TCP

25
Q

What is Port 995?

A

POP3 - Post office Protocol v3
–receive email from mail server over SSL/TLS
–TCP

26
Q

What is Port 1433?

A

Ms-sql-s - Microsoft SQL server
–to receive SQL database queries from clients
–TCP

27
Q

What is Port 1645/1646?

A

Radius(alt.)- Remote Authentication Dial-In User Service
–Authentication and Authorization (1645)
–Accounting (1646)
–UDP

28
Q

What is Port 1701?

A

L2TP - Layer 2 Tunnel Protocol
–an underlying VPN protocol w/no inherent security
–UDP

29
Q

What is Port 1723?

A

PPTP - Point-to-Point Tunneling Protocol
–underlying VPN protocol w/ built-in security
–TCP/UDP

30
Q

What is Port 1812/1813?

A

RADIUS - Remote Authentication Dial-In User Service
–Authentication and Authorization (1812)
–Accounting (1813)
–UDP

31
Q

What is Port 3225?

A

FCIP - Fibre Channel IP
–to encapsulate Fibre Channel frames within TCP/IP packets
–TCP/UDP

32
Q

What is Port 3260?

A

iSCSI Target - internet Small Computer Systems
–listening port for iSCSI-targeted devices when linking data storage facilities over IP
–TCP

33
Q

What is Port 3389?

A

RDP - Remote Desktop Protocol
–to remotely view and control other Windows systems via GUI
–TCP/UDP

34
Q

What is Port 3868?

A

Diameter - more advanced AAA protocol to replace RADIUS
–TCP

35
Q

What is Port 6514?

A

Syslog over TLS - conduct computer message logging, especially for routers and firewall logs, over TLS-encrypted connection
–TCP

Security + Ports (1 decks)

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