Search results
Results from the WOW.Com Content Network
Seeing security certificate errors when visiting certain websites? Learn how to remedy this issue in Internet Explorer. AOL APP. News / Email / Weather / Video. GET.
An expansion of the 400 Bad Request response code, used when the client has provided an invalid client certificate. 496 SSL Certificate Required An expansion of the 400 Bad Request response code, used when a client certificate is required but not provided.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
The MustStaple TLS extension in a certificate can require that the certificate be verified by a stapled OCSP response, mitigating this problem. [10] OCSP also remains a valid defense against situations where the attacker is not a "man-in-the-middle" (code-signing or certificates issued in error).
437 Unsupported Certificate The server was unable to validate a certificate for the domain that signed the request. [14]: p11 438 Invalid Identity Header The server obtained a valid certificate that the request claimed was used to sign the request, but was unable to verify that signature. [14]: p12 439 First Hop Lacks Outbound Support
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file
In more detail, when making a TLS connection, the client requests a digital certificate from the web server. Once the server sends the certificate, the client examines it and compares the name it was trying to connect to with the name(s) included in the certificate. If a match occurs, the connection proceeds as normal.
A 403 status code can occur for the following reasons: [3] Insufficient permissions: The most common reason for a 403 status code is that the user lacks the necessary permissions to access the requested resource.