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Tux Machines
Posted by Roy Schestowitz on Mar 20, 2023
> The first facet is dd as a way to copy data around. If you view dd this way, it's fine if some combination of dd, your C library, and the kernel optimize how this data copying is done. For example, if dd is reading or writing a file to or from a network socket, in many cases it would be desirable to directly connect the file and the network socket inside the kernel so that you don't have to flow data through user level. If you're using dd to copy data, you generally don't care exactly how it happens, you just want the result.
> Since misconfigurations are one of the leading causes of BGP incidents, the goal of this article is to gather together information on best practices and dive into advanced techniques that can help network operators mitigate risks and optimise BGP performance.
> My aim is to walk anyone reading this through all of the most important capabilities of BGP and to provide recommendations and best practices for configuring BGP networks. Taking into account the capabilities listed here can help enterprises minimise the risks associated with BGP misconfigurations and ensure that their networks are operating safely and efficiently.
> UFW firewall comes pre-installed in Ubuntu and as the name suggests UFW logs can offer inside-out information on how your firewall deals with incoming and outgoing requests.
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