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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

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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
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My guess: you modified your hosts file to include 0.0.0.0 adclick.g.doubleclick.net or 127.0.0.1 (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 0.0.0.0 (which is actually the special value INADDR_ANY) or 127.0.0.1 (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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