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  2. Fix security certificate error messages in Internet Explorer

    help.aol.com/articles/message-the-security...

    While Internet Explorer may still work with some AOL products and services, it's no longer supported by Microsoft and can't be updated. Because of this, we recommend you download a supported browser for a more reliable and secure experience online.

  3. Version history for TLS/SSL support in web browsers

    en.wikipedia.org/wiki/Version_history_for_TLS/...

    EV certificate SHA-2 certificate ECDSA certificate BEAST CRIME POODLE (SSLv3) RC4 FREAK Logjam Protocol selection by user Microsoft Internet Explorer (1–10) [n 20] Windows Schannel: 1.x: Windows 3.1, 95, NT, [n 21] [n 22] Mac OS 7, 8: No SSL/TLS support 2: Yes No No No No No No No No No SSL 3.0 or TLS support Vulnerable Vulnerable Vulnerable ...

  4. Extended Validation Certificate - Wikipedia

    en.wikipedia.org/.../Extended_Validation_Certificate

    An Extended Validation (EV) Certificate is a certificate conforming to X.509 that proves the legal entity of the owner and is signed by a certificate authority key that can issue EV certificates. EV certificates can be used in the same manner as any other X.509 certificates, including securing web communications with HTTPS and signing software ...

  5. Certificate revocation list - Wikipedia

    en.wikipedia.org/wiki/Certificate_revocation_list

    CRL for a revoked cert of Verisign CA. There are two different states of revocation defined in RFC 5280: Revoked A certificate is irreversibly revoked if, for example, it is discovered that the certificate authority (CA) had improperly issued a certificate, or if a private-key is thought to have been compromised.

  6. HTTPS - Wikipedia

    https://en.wikipedia.org/wiki/HTTPS

    This is an accepted version of this page This is the latest accepted revision, reviewed on 24 January 2025. Extension of the HTTP communications protocol to support TLS encryption Internet protocol suite Application layer BGP DHCP (v6) DNS FTP HTTP (HTTP/3) HTTPS IMAP IRC LDAP MGCP MQTT NNTP NTP OSPF POP PTP ONC/RPC RTP RTSP RIP SIP SMTP SNMP SSH Telnet TLS/SSL XMPP more... Transport layer TCP ...

  7. OCSP stapling - Wikipedia

    en.wikipedia.org/wiki/OCSP_stapling

    It allows the presenter of a certificate to bear the resource cost involved in providing Online Certificate Status Protocol (OCSP) responses by appending ("stapling") a time-stamped OCSP response signed by the CA (certificate authority) to the initial TLS handshake, eliminating the need for clients to contact the CA, with the aim of improving ...

  8. Online Certificate Status Protocol - Wikipedia

    en.wikipedia.org/wiki/Online_Certificate_Status...

    The OCSP responder uses the certificate serial number to look up the revocation status of Alice's certificate. The OCSP responder looks in a CA database that Carol maintains. In this scenario, Carol's CA database is the only trusted location where a compromise to Alice's certificate would be recorded.

  9. Fix problems sending AOL Mail

    help.aol.com/articles/aol-mail-troubleshooting

    If you're using an older or outdated browser, such as Internet Explorer, you may need to access AOL Mail from a different browser. If you don't have an updated or supported browser installed on your computer, you'll need to update your existing browser or download a new one. Check your display name: