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ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It is available for virtually all operating systems that have networking capability, including most embedded network administration software. Ping measures the round-trip time for messages sent from the ...
Code Status Description 0 – Echo Reply: 14 0: Echo reply (used to ping) 1 and 2 unassigned: Reserved: 3 – Destination Unreachable: 4 0: Destination network unreachable 1: Destination host unreachable 2: Destination protocol unreachable 3: Destination port unreachable 4: Fragmentation required, and DF flag set 5: Source route failed 6
Fix sending and receiving issues with third-party email apps. If your third-party email app is having issues connecting, sending, or receiving emails, you may need to reconfigure your account or update the app. Use these steps to identify and fix the source of the problem.
The code field value depends on the message type and provides an additional level of message granularity. The checksum field provides a minimal level of integrity verification for the ICMP message. ICMPv6 packet
X.2.XXX Mailbox Status. X.3.XXX Mail System Status. X.4.XXX Network and Routing Status. X.5.XXX Mail Delivery Protocol Status. X.6.XXX Message Content or Media Status. X.7.XXX Security or Policy Status. The meaning of the "detail" field depends on the class and the subject, and are listed in RFC 3463 and RFC 5248 .
Use the IMAP settings below to download your email from AOL Mail into a third-party email app, like Thunderbird, Outlook, or Mac Mail. For accounts with a lot of content, it can take several days or longer to download everything. If you need specific instructions to configure your app with our settings or to check the progress of your download ...
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.
t. e. Constrained Application Protocol ( CoAP) is a specialized UDP-based Internet application protocol for constrained devices, as defined in RFC 7252. It enables those constrained devices called "nodes" to communicate with the wider Internet using similar protocols. CoAP is designed for use between devices on the same constrained network (e.g ...