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Wikipedia has a good description on what OCSP Stapling is[1] and how it works. When I read the Apache projects' WONTFIX reason, I presumed that it was related t
by Anthony-G 9y ago
Wikipedia has a good description on what OCSP Stapling is[1] and how it works. When I read the Apache projects' WONTFIX reason, I presumed that it was related to how plain OCSP requires the client to "phone home" in order to check whether a certificate has been revoked or not – which has implications for the privacy of the browser.
However, now that I know OCSP Stapling works (the web server caches and proxies time-stamped OCSP responses that are signed by the CA), the Apache position is much less reasonable. As a Let’s Encrypt user, I “phone home” every couple of months to renew my X.509 key and certificate. That’s not a privacy concern for me or anyone else who happens to browse my site.
I also found a good article by Hanno Böck[2] which provides more details on how OCSP Stapling is thoroughly broken on Apache as described by tialaramex).
[1] https://en.wikipedia.org/wiki/OCSP_stapling https://en.wikipedia.org/wiki/OCSP_stapling
[2] https://blog.hboeck.de/archives/886-The-Problem-with-OCSP-Stapling-and-Must-Staple-and-why-Certificate-Revocation-is-still-broken.html https://blog.hboeck.de/archives/886-The-Problem-with-OCSP-St...