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by pfg 3443 days ago
> Not on government systems they aren't (STIG id: v-44789). Also, if we're going all in on https we should go all in on https.

I found this description: "By setting this policy to true, the previous behavior is restored and online OCSP/CRL checks will be performed. If the policy is not set, or is set to false, then Chrome will not perform online revocation checks. [...]"

This seems to address the fact that Chrome does not perform OCSP queries at all, instead relying on its CRLSets. However, even back when Chrome did OCSP queries, it was soft-fail (as is every other browser). The "previous behavior" would thus be to query OCSP, but fail silently anyway.

> How is the server supposed to get a response to staple if the responder is unavailable?

OCSP responses from publicly-trusted CAs are typically valid for 10 days, and they're updated at least once every 4 days (IIRC). That'll leave 6 days for the responder to come back online in the worst case (or 6 days to tell everyone about "badidea" in case the CA is nuked from orbit, along with any other publicly-trusted CA the site might switch to). (Let's not forget it's soft-fail, so this is just a theoretical exercise).

> Bottom line: this is a decision which prioritizes confidentiality and integrity over availability for the entire .gov with (seemingly) no recourse.

I'll give you that. I just don't think the availability concerns are bad enough to outweigh the benefits, and they can be mitigated in just about any scenario.