Types of SSL Certificates | SSL Certificate Types Explained
Learn about the different types of SSL/TLS certificates, SSL certificate validation levels, and the kinds of free SSL certificates Cloudflare offers.
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What is time-to-live (TTL)? | TTL definition
Time to live (TTL) refers to the amount of time or “hops” that a packet is set to exist inside a network before being discarded by a router. TTL is also used in other contexts including CDN caching and DNS caching.
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