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Close all network ports, filter those you can't block
Firewalls are used to filter network traffic and are available as standard system software on most operating systems. Limit the openings hackers have to your server.
Firewalls are used to filter network traffic and are available as standard system software on most operating systems. Limit the openings hackers have to your server.
Answer:
Establish and Use a Secure Connection
Use SSH Keys Authentication
Secure File Transfer Protocol
Secure Sockets Layer Certificates
Use Private Networks and VPNs
Explanation:
