Layer 7 Protocols Flashcards
Remote Desktop Protocol (RDP)
Allows you to remote and interact with a remote desktop/server
RDP port
TCP 3389
Telnet
Provides user a command prompt on a remote device
All communication is in clear text
Telnet port
TCP 23
Secure Shell (SSH)
Encrypted replacement for Telnet
Also known as Secure Socket shell
SSH port
TCP 22
Virtual Networking Computing (VNC)
Open source desktop sharing/remote control system
Server component of VNC is on the computer that you want to control
Client component of VNC runs on the computer you will use to make the connection
VNC port
TCP 5900
TCP 5800 for web client
Server Message Block (SMB)
Microsoft File and Print protocol
Used to access folders, drivers, and printers
SMB port
TCP 445
File Transfer Protocol (FTP)
All communication is in clear text
FTP ports
Command port = TCP 21
Data port = TCP 20
Secure File Transfer Protocol (SFTP)
Also called SSH File Transfer Protocol
Encrypts file tranfer
SSH port
TCP port 22
Trivial File Transfer Protocol (TFTP)
Simplified version of FTP
No authentication
All communication is in clear text
Network File System (NFS)
File sharing protocol for Unix/Linux
Hypertext Transfer Protocol (HTTP)
Used to carry web traffic
Transmissions are in clear text
HTTP port
TCP 80