I have adclick.g.doubleclick.net listening on all ports. When I launch an application like Starcraft 2, for example, it is listening on localhost. Or for some applications, there was a connection from my hostname to remote address: adclick.g.doubleclick.net which is google server.

I thought doubleclick.net concerns only Chrome and web advertising. What does it have to do with other software installed on the computer? I already blocked it by mvphosts, but I am curious.

closed as unclear what you're asking by Steffen Ullrich, ThoriumBR, forest, Rory Alsop Sep 2 '18 at 16:00

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    " I have adclick.g.doubleclick.net listening on all ports. " what does that mean? Care to show what commands you typed and what results did you see? (As text, not as images) – Patrick Mevzek Aug 31 '18 at 1:32
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    Would you mind rewriting your question? It's currently hard to understand, and hard to know what issue your have. – ThoriumBR Aug 31 '18 at 1:32
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    Both the battle.net launcher and the Starcraft 2 menu have browser elements that call home. Home, being battle.net, includes doubleclick.net on their website, and so the browser element fetches that too. – Nomad Aug 31 '18 at 8:57

My guess: you modified your hosts file to include adclick.g.doubleclick.net or (same) as a way of preventing webpages (or maybe apps) from accessing that site, likely because you don't like advertising or consider it a privacy violation.

As a result, when tools like netstat etc try to display something that is using address (which is actually the special value INADDR_ANY) or (which is actually the loopback address used for localhost) they end up displaying the bogus name you assigned to that address. Try netstat -n to turn off name translation and see what is actually going on.

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