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If you don't have broadband, you'll need to try other steps to fix problems with a dial-up internet connection. An active internet connection is required to be able to access all the best that AOL offers. If you're using broadband (cable) internet and you can't connect, try the following troubleshooting steps in the order listed until you get ...
Electrical noise can disrupt DSL internet connections. [1] The interference can be detected as electrical impulses on the physical telephone line on which the internet connection operates. The noise causes interference which in turn causes a DSL modem to mount up CRC errors. This eventually causes DSL synchronisation to drop.
Internet users use eavesdropping via the Internet to improve information security. [2] A typical network eavesdropper may be called a Black-hat hacker and is considered a low-level hacker as it is simple to network eavesdrop successfully. [1] The threat of network eavesdroppers is a growing concern.
It was originally developed by Tobias Oetiker and Dave Rand to monitor router traffic, but has developed into a tool that can create graphs and statistics for almost anything. MRTG is written in Perl and can run on Windows, Linux, Unix, Mac OS and NetWare. A sample MRTG bandwidth graph.
Connection-oriented or reliable protocols (TCP, RUDP) will either fail to connect to a dead address or will fail to receive expected acknowledgements. For IPv6, the black hole prefix is 100:: / 64. [1] For IPv4, no black hole address is explicitly defined, however the reserved IP addresses can help achieve a similar effect.
Packet loss in a TCP connection is also used to avoid congestion and thus produces an intentionally reduced throughput for the connection. In real-time applications like streaming media or online games, packet loss can affect a user's quality of experience (QoE).
AOL Mail welcomes Verizon customers to our safe and delightful email experience!
Monitoring an internet server means that the server owner always knows if one or all of their services go down. Server monitoring may be internal, i.e. web server software checks its status and notifies the owner if some services go down, and external, i.e. some web server monitoring companies check the status of the services with a certain frequency.