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Secure Shell Hash (SSH)
Used as a method for remote login from one computer to another in a secure manner.
Client uses the public key of the remote computer (SSH Server), symmetric |
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Domain Name Server (DNS)
Takes website names and resolves them into ip addresses |
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Simple Mail Transfer Protocol (SMTP)
Allocated for UDP and TCP
Most often implemented with TCP
Microsoft does not use UDP |
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Secure File Transfer Protocol (SFTP)
Establishes an SSH tunnel that connects to a FTP server |
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File Transfer Protocol (FTP)
Used for large file transfers
Port 21 Client request goes through
Port 20 Data is transferred
*Not secured (plain text protocol) |
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Telnet
Remote log on communication
Sends information in clear text (not secure) |
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| Trivial File Transfer Protocol (TFTP) is an insecure protocol because it does not have an Authentication mechanism. It is not secure but a fast file transfer protocol. There is also no Encryption in TFTP Transfers. |
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Dynamic Host Control Protocol(DHCP)
DHCP server dynamically assigns an IP address and other network configuration parameters to each device on the network, so they can communicate with other IP networks |
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Hyper text transfer protocol(HTTP)
is the set of rules for transferring files, such as text, graphic images, sound, video, and other multimedia files, on the World Wide Web. As soon as a web user opens their web browser, the user is indirectly making use of HTTP. |
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| Hyper Text Transfer Protocol Secure (HTTPS)Hypertext transfer protocol secure (HTTPS) is the secure version of HTTP. It sends encrypted data over (TLS) Transport socket layer |
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| Remote Desktop Protocol (RDP) |
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| Server Message Block (SMB) Connect to shared resoruces in windows i.e file share/printers. |
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Internet Message Access Protocol (IMAP)
Used by email clients to retrieve email messages from mail servers |
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