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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Summary DHCP is a basic network service to help computers and devices connect to a network and use the Internet. Linux Internet Systems Consortium maintains the open source software for DHCP. There are other packages but most rely on ISC’s version. The client side is usually installed when the system is created. To install the server side use your systems
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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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