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[15] All versions of Mozilla Firefox support OCSP checking. Firefox 3 enables OCSP checking by default. [16] Safari on macOS supports OCSP checking. It is enabled by default as of Mac OS X 10.7 (Lion). Prior to that, it has to be manually activated in Keychain preferences. [17] Versions of Opera from 8.0 [18] [19] to the current version support ...
If the client does not receive a stapled response, it will just contact the OCSP server by itself. [4] However, if the client receives an invalid stapled response, it will abort the connection. [ 1 ] The only increased risk of OCSP stapling is that the notification of revocation for a certificate may be delayed until the last-signed OCSP ...
An attacker with the ability to present a compromised certificate likely also has the ability to prevent the client performing an online revocation status check; in this case, failing-soft effectively provides no protection at all. Browsers have chosen this arm of the dilemma and preferred availability over security. [19]
The most common reason for revocation is the user no longer being in sole possession of the private key (e.g., the token containing the private key has been lost or stolen). Hold This reversible status can be used to note the temporary invalidity of the certificate (e.g., if the user is unsure if the private key has been lost).
Microsoft's IIS 7.0, IIS 7.5, and IIS 8.0 servers define the following HTTP substatus codes to indicate a more specific cause of a 404 error: 404.0 – Not found. 404.1 – Site Not Found. 404.2 – ISAPI or CGI restriction. 404.3 – MIME type restriction. 404.4 – No handler configured. 404.5 – Denied by request filtering configuration.
IIS Express, a lightweight (4.5–6.6 MB) version of IIS, is available as a standalone freeware server and may be installed on Windows XP with Service Pack 3 and subsequent versions of Microsoft Windows. IIS 7.5 Express supports only the HTTP and HTTPS protocols.
Microsoft IIS responds in the same way when directory listings are denied in that server. In WebDAV, the 403 Forbidden response will be returned by the server if the client issued a PROPFIND request but did not also issue the required Depth header or issued a Depth header of infinity. [2]
Encrypted Client Hello (ECH) is a TLS 1.3 protocol extension that enables encryption of the whole Client Hello message, which is sent during the early stage of TLS 1.3 negotiation. [10] ECH encrypts the payload with a public key that the relying party (a web browser) needs to know in advance, which means ECH is most effective with large CDNs ...