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2. ping (networking utility) - Wikipedia

   en.wikipedia.org/wiki/Ping_(networking_utility)

   Ping measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source. The name comes from active sonar terminology that sends a pulse of sound and listens for the echo to detect objects under water. [1] Ping operates by means of Internet Control Message Protocol (ICMP) packets.

3. Network utility - Wikipedia

   en.wikipedia.org/wiki/Network_utilities

   ping, ping a host to check connectivity (reports packet loss and latency, uses ICMP). traceroute shows the series of successive systems a packet goes through en route to its destination on a network. It works by sending packets with sequential TTLs which generate ICMP TTL-exceeded messages from the hosts the packet passes through.

4. Using McAfee: Firewalls - AOL Help

   help.aol.com/articles/Using-McAfee-Firewalls

   Computer users can use a ping tool, which sends and receives ICMP Echo Request messages, to determine whether a given computer is connected to the network. You can configure Firewall to prevent or allow computer users to ping your computer. To configure your ICMP ping requests setting: 1.

5. MTR (software) - Wikipedia

   en.wikipedia.org/wiki/MTR_(software)

   My traceroute, originally named Matt's traceroute (MTR), is a computer program that combines the functions of the traceroute and ping programs in one network diagnostic tool. [2] MTR probes routers on the route path by limiting the number of hops individual packets may traverse, and listening to responses of their expiry. It will regularly ...

6. Round-trip delay - Wikipedia

   en.wikipedia.org/wiki/Round-trip_delay

   In the context of computer networks, the signal is typically a data packet. RTT is commonly used interchangeably with ping time , which can be determined with the ping command . However, ping time may differ from experienced RTT with other protocols since the payload and priority associated with ICMP messages used by ping may differ from that ...

7. Fix sending and receiving issues with third-party email apps

   help.aol.com/articles/cant-send-or-receive-email...

   If your account is working on a web browser and you made sure you're using the right server settings, then update your email app to the newest version available. If you're still experiencing issues with your app, contact the manufacturer. Also, access your AOL Mail on a web browser. Keep in mind - For two-step verification, generate an app ...