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

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

    Make sure the option "Block All Senders Except Contacts" under "Mail Settings --> Block Senders" is unchecked. If checked, you will not receive messages from anyone not in your contacts. Messages are often delivered right way though very rarely there may be a delay in transit. This is usually due to problems on the mail server, heavy internet ...

  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. Over-the-air update - Wikipedia

    en.wikipedia.org/wiki/Over-the-air_update

    Smartphones. On smartphones, tablets, and other devices, an over-the-air update is a firmware or operating system update that is downloaded by the device over the internet. Previously, users had to connect these devices to a computer over USB to perform an update. These updates may add features, patch security vulnerabilities, or fix software bugs.

  5. Address Resolution Protocol - Wikipedia

    en.wikipedia.org/wiki/Address_Resolution_Protocol

    v. t. e. The Address Resolution Protocol ( ARP) is a communication protocol used for discovering the link layer address, such as a MAC address, associated with a given internet layer address, typically an IPv4 address. This mapping is a critical function in the Internet protocol suite.

  6. Update Verizon.net account info in POP3 email applications

    help.aol.com/articles/verizon-move-to-aol-mail...

    No matter what application or software you use, the POP sever and port settings will be the same. Just make sure SSL is enabled and you use your full email address, including @verizon.net. Server Settings. Port Settings. Incoming mail server (POP3): pop.verizon.net. Outgoing mail server (SMTP): smtp.verizon.net. POP3-995-SSL.

  7. Air gap (networking) - Wikipedia

    en.wikipedia.org/wiki/Air_gap_(networking)

    An air gapped network (right) with no connection to a nearby internet-connected network (left) An air gap, air wall, air gapping [1] or disconnected network is a network security measure employed on one or more computers to ensure that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an unsecured local area network. [2]

  8. Stack Overflow - Wikipedia

    en.wikipedia.org/wiki/Stack_Overflow

    Stack Overflow. Stack Overflow is a question-and-answer website for computer programmers. It is the flagship site of the Stack Exchange Network. [ 2][ 3][ 4] It was created in 2008 by Jeff Atwood and Joel Spolsky. [ 5][ 6] It features questions and answers on certain computer programming topics. [ 7][ 8][ 9] It was created to be a more open ...

  9. Power-on self-test - Wikipedia

    en.wikipedia.org/wiki/Power-on_self-test

    Power-on self-test. A power-on self-test ( POST) is a process performed by firmware or software routines immediately after a computer or other digital electronic device is powered on. [ 1] POST processes may set the initial state of the device from firmware and detect if any hardware components are non-functional.