English
Nowadays, security policies in force on many (if not most) corporate networks prevent users and programs from making connections to the outside world that could pose security threats. These policies are usually enforced through firewalls blocking all outbound connections to all TCP ports but a few exceptions. Typically allowed protocols are http, https, ftp, etc. HTTP and HTTPS connections are used by all browsers for surfing the Internet, and by a variety of software applications such as antiviruses, mainly for […]
By Emmanuele Sordini
Astronomy: tips & tricks
27 November 2019
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