Protocols

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Guide to Content Security Policy

This guide to Content Security Policy is meant to get a webmaster familiar with this security concept. The core part of a Content Security Policy are server defined rule for a browser to follow on what are safe content sources. Browsers that follow the rules will ignore content from non-trusted sources and log warnings and errors to the browsers developer …

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Cable Modem Signals and Strengths

Definitions SNR (Signal to Noise Ratio) levels: This is how clear the signal is at either the modem receiver (downstream SNR) or the receiver in the cable company head-end (upstream SNR). Compares the level of a desired signal to the level of background noise. SNR is defined as the ratio of signal power to the noise power expressed in decibels. …

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