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  2. Fix problems reading or receiving AOL Mail - AOL Help

    help.aol.com/articles/fix-problems-reading-or...

    If you're having problems reading and retrieving your AOL Mail, the following troubleshooting steps: Use AOL Basic Mail. AOL Basic Mail gives you a way to see your emails in a simpler layout. This can often help when you're having problems retrieving mail on a slower connection speed. Reset your web settings

  3. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    An expansion of the 400 Bad Request response code, used when a client certificate is required but not provided. 497 HTTP Request Sent to HTTPS Port. An expansion of the 400 Bad Request response code, used when the client has made a HTTP request to a port listening for HTTPS requests. 499 Client Closed Request.

  4. 2021 Microsoft Exchange Server data breach - Wikipedia

    en.wikipedia.org/wiki/2021_Microsoft_Exchange...

    The first breach of a Microsoft Exchange Server instance was observed by cybersecurity company Volexity on 6 January 2021. [1] By the end of January, Volexity had observed a breach allowing attackers to spy on two of their customers, and alerted Microsoft to the vulnerability. After Microsoft was alerted of the breach, Volexity noted the ...

  5. Outlook.com - Wikipedia

    en.wikipedia.org/wiki/Outlook.com

    Proprietary and Free [citation needed] Outlook.com, formerly Hotmail, is a free personal email service offered by Microsoft. This includes a webmail interface featuring mail, calendaring, contacts, and tasks services. Outlook can also be accessed via email clients using the IMAP or POP protocols. Founded in 1996 by Sabeer Bhatia and Jack Smith ...

  6. Kidney Failure Symptoms: Early and Advanced Symptoms - Healthline

    www.healthline.com/health/kidney-health/kidney...

    What Are the Symptoms of Kidney Failure? Urinary problems. Swelling. Shortness of breath. Fatigue. GI symptoms. Neurological symptoms. Muscle cramps.

  7. HTTP - Wikipedia

    en.wikipedia.org/wiki/HTTP

    The Hypertext Transfer Protocol ( HTTP) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. [1] HTTP is the foundation of data communication for the World Wide Web, where hypertext documents include hyperlinks to other resources that the user can easily access ...

  8. Trial and error - Wikipedia

    en.wikipedia.org/wiki/Trial_and_error

    a serial-test of switches, holding on to the partial successes (assuming that these are manifest), which would take 500 seconds on average; parallel-but-individual testing of all switches simultaneously, which would take only one second; Note the tacit assumption here that no intelligence or insight is brought to bear on the problem.

  9. Computer security - Wikipedia

    en.wikipedia.org/wiki/Computer_security

    An example of physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security, cybersecurity, digital security or information technology security (IT security) is the protection of computer systems and networks from attacks by malicious actors that may result in unauthorized information disclosure, theft of, or damage to hardware ...