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  1. HTTP 2 not possible without certificate? [closed]

    Mar 9, 2025 · HTTP/2 technically can work just fine without TLS (the application layer protocol works just fine inside other transports), but a vast majority of implementations do not support this because it’s …

  2. What are possible security problems of enabling HTTP2?

    Jul 12, 2017 · What are possible security problems of enabling HTTP2? Ask Question Asked 8 years, 6 months ago Modified 8 years, 6 months ago

  3. Why doesn't the HTTP/2 spec require TLS?

    Jan 30, 2016 · Although no browser implements the full HTTP/2 spec right now limiting themselves to just the TLS part there are stories on the internet that this incomplete implementation of the spec is a …

  4. tcp - Information Security Stack Exchange

    Oct 30, 2023 · As of 2023, still many webservers support HTTP/1.0 and HTTP/1.1 while not supporting recent HTTP/2 and/or HTTP/3 protocols. I understand that newer HTTP versions offer various …

  5. tls - Understanding blacklisted ciphers for HTTP2 - Information ...

    Jun 12, 2016 · Since enabling HTTP2, I lost support for Firefox on Windows (and probably other browsers/platforms as well). Note that I'm fine having lost support for Java, XP and Android 2.3 …

  6. http2 - Cipher suite selection for compatibility with http/2, and TLS 1 ...

    Mar 20, 2016 · Explore related questions cipher-selection http2 See similar questions with these tags.

  7. http2 - What security benefits does ALPN bring to TLS? - Information ...

    ALPN by itself does not offer any security benefits or speed improvements. But, if your application needs a negotiation of the application protocol then this negotiation can be done already inside the TLS …

  8. Does HTTP/2 prevent security vulnerabilites like CRLF injection?

    Jul 23, 2020 · From http2 explained: 6.5.1. Compression is a tricky subject HTTPS and SPDY compression were found to be vulnerable to the BREACH and CRIME attacks. By inserting known …

  9. Help to Mitigate Slow Rate (Slowloris) DoS Attack in HTTP/2

    Dec 12, 2024 · mod_http2: The H2StreamTimeout configuration didn’t help because the attack happens before the HEADER frame is sent. This setting applies only to active HTTP/2 streams.

  10. Does HTTP/3 necessitate additional - beyond HTTP/2 via TLS1.3 ...

    Jul 9, 2023 · A recent Nginx release allows me to set listen 443 quic; to enable HTTP/3. Neat. I had been using HTTP/2 with TLS1.3 before, so I did not expect that change much, just optimize round …