Commonly Used Ports – Flashcards
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Provides connections to computers over a TCP/IP network
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Protocol: SSH/Telnet Default Ports: 22/23
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Sends email over a TCP/IP network
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Protocol: SMTP Default Ports: 25
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Translates URLs to IP address
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Protocol: DNS Default Port: 53
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Transports Web pages over a TCP/IP network
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Protocol: HTTP Default Port: 80
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Automates assignment of IP address on a network
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Protocol: DHCP Default Port: 67
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Securely transports Web pages over a TCP/IP network
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Protocol: HTTPS Default Port: 443
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Transports files over a TCP/IP network
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Protocol: FTP Default Ports: 20/21
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Manage and monitor devices on a network
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Protocol: SNMP Default Ports: 161
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Download email from an email server
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Protocol: IMAP/POP3 Default Ports: 143/110
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Access information directories
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Protocol: LDAP Default Port: 389
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Remote access to computers (MSTSC)
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Protocol: RDP Default Port: 3389
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Secured file transfer system
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Protocol: SFTP Default Port: 115
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Provides shared access to file and printers
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Protocol: SMB Default Port: 445
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Provides no Internet access in a workgroup network
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Protocol: NetBEUI/NetBIOS Default Ports: 137/139/150
