Open links in new tab
  1. 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 …

  2. 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 …

  3. What are possible security problems of enabling HTTP2?

    Jul 12, 2017 · What are possible security problems of enabling HTTP2? Ask Question Asked 8 years, 7 months ago Modified 8 years, 7 months ago

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

    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 …

  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 …

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

    Mar 20, 2016 · The most widely used and accepted cipher specification, or cipher suite set designed for HTTP/2 was originally provided by the industry leading CDN and web giant …

  7. 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 …

  8. Why wouldn't it be great, if HTTP/2 would only allow …

    Nov 5, 2014 · Earlier, encryption method TLS 1.2 or greater was planned to be mandatory as part of the protocol. However, in lieu of consensus for mandatory TLS, an optional unencrypted …

  9. 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 …

  10. Are there strong technical reasons for browsers mandating TLS for …

    1 There as some definitely technical reasons for having http2 only use tls. As a starting point: Negotiation speed - without tls the upgrade negotiation is done as an additional http request …