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SSL/TLS Basics
Encrypt data in transit
TLS encrypts data between clients and servers using certificates for identity, handshakes for key exchange, and modern ciphers to prevent eavesdropping or tampering.
- certificates
- handshake
- https
- ciphers
- pk
Certificates
Use trusted CAs, correct hostnames, and renew before expiry.
Handshake
Modern handshakes negotiate protocols and keys; prefer TLS 1.2+.
Configuration
Disable weak ciphers, enable HSTS, and test with scanners.
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How it works
Global Positioning System
GPS uses timing signals from satellites to calculate a receiver's position on Earth.
What it is
Blockchain
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