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NET 3300 > Ports and Protocols > Flashcards

Ports and Protocols Flashcards

1
Q

Port Number 21

A
  • Protocol: FTP
  • USage: TCP
  • Secure Version: FTPS, port 989/990
  • Transfers files from host to host.
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2
Q

Port Number 22

A
  • Protocol: SSH
  • Usage: TCP or UDP
  • Secure Shell: Remotely administers network devices and systems. Also used by Secure Copy (SCP) and Secure FTP (SFTP).
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3
Q

Port Number 23

A
  • Protocol: Telnet
  • Usage: TCP or UDP
  • Secure Version: SMTP with SSL/TLS, port 465 or 587
  • Sends e-mail
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4
Q

Port Number 25

A
  • Protocol: SMTP
  • Usage: TCP
  • Secure Version: SMTP with SSL/TLS, port 465 or 587
  • Sends e-mail.
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5
Q

Port Number 49

A
  • Protocol: TACACS+
  • Usage: TCP
  • Remote authentication. Can also use UDP, but TCP is the default. Compare with RADIUS.
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6
Q

Port Number 53

A
  • Protocol: DNS
  • Usage: TCP or UDP
  • Secure Version DNSSEC
  • Resolves hostnames to IP addresses and vice versa.
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7
Q

Port Number 69

A
  • Protocol: TFTP
  • Usage: UDP
  • Basic version of FTP.
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8
Q

Port Number 80

A
  • Protocol HTTP
  • Usage: TCP
  • Secure Version: HTTPS (uses SSL/TLS), port 443
  • Transmits web page data.
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9
Q

Port Number 88

A
  • Protocol: Kerberos
  • Usage: TCP or UDP
  • Network authentication, uses tickets.
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10
Q

Port Number 110

A
  • Protocol: POP3
  • Usage: TCP Secure
  • Version: POP3 with SSL/TLS, port 995
  • Receives e-mail.
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11
Q

Port Number 119

A
  • Protocol: NNTP
  • Usage: TCP
  • Transports Usenet articles.
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12
Q

Port Number 135

A
  • Protocol: RPC/epmap/dcom-scm
  • Usage: TCP or UDP
  • Used to locate DCOM ports. Also known as RPC (Remote Procedure Call).
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13
Q

Port Numbers 137-139

A
  • Protocol: NetBIOS
  • Usage: TCP or UDP
  • Name querying, sending data, NetBIOS connections.
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14
Q

Port Number 143

A
  • Protocol: IMAP
  • Usage: TCP
  • Secure Version: IMAP4 with SSL/TLS, port 993
  • Retrieval of e-mail, with advantages over POP3.
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15
Q

Port Number 161

A
  • Protocol: SNMP
  • Usage: UDP
  • Remotely monitor network devices.
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16
Q

Port Number 162

A
  • Protocol: SNMPTRAP
  • Usage: TCP or UDP
  • Traps and InformRequests are sent to the SNMP Manager on this port.
17
Q

Port Number 389

A
  • Protocol: LDAP
  • Usage: TCP or UDP
  • Secure Version: LDAP over SSL/TLS, port 636
  • Maintains directories of users and other objects.
18
Q

Port Number 445

A
  • Protocol: SMB
  • Usage: TCP
  • Provides shared access to files and other resources.
19
Q

Port Number 514

A
  • Protocol: Syslog
  • Usage: UDP
  • Used for computer message logging, especially for router and firewall logs. A secure version (Syslog over TLS) uses TCP as the transport mechanism and port 6514.
20
Q

Port Number 860

A
  • Protocol: iSCSI
  • Usage: TCP
  • IP-based protocol used for linking data storage facilities. Also uses port 3260 for the iSCSI target.
21
Q

Port Number 1433

A
  • Protocol: Ms-sql-s
  • Usage: TCP
  • Opens queries to Microsoft SQL Server.
22
Q

Port Number 1701

A
  • Protocol: L2TP
  • Usage: UDP
  • VPN protocol with no inherent security. Often used with IPsec.
23
Q

Port Number 1723

A
  • Protocol: PPTP
  • Usage TCP or UDP
  • VPN protocol with built-in security.
24
Q

Port Numbers 1812/1813

A
  • Protocol: RADIUS
  • Usage: UDP
  • An AAA protocol used for authentication (port 1812), authorization, and accounting (port 1813) of users. Also, ports 1645 and 1646.
25
Q

Port Number 3225

A
  • Protocol: FCIP
  • Usage: TCP or UDP
  • Encapsulates Fibre Channel frames within TCP/IP packets. Contrast with Fibre Channel over Ethernet (FCoE), which relies on the data link layer and doesn’t rely on TCP/IP directly.
26
Q

Port Number 3389

A
  • Protocol: RDP
  • Usage: TCP or UDP
  • Remotely views and controls other Windows systems.
27
Q

Port Number 3868

A
  • Protocol: Diameter
  • Usage: TCP or SCTP
  • An AAA protocol; can replace the RADIUS protocol.

NET 3300 (1 decks)

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