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I have a Nexus 7 Android tablet.

When I connect to my WiFi at home it keeps automatically adding a proxy on localhost:3128 to the connection. When I remove the proxy it works for a few hours and then I see the proxy is back.

I removed the WiFi connection and set it up again and I still experience this issue. I don't experience anything similar on my other devices like my Android phone.

Does anyone know how I can figure out what is causing this or how I can fix it (I don't want to do a factory reset)?

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  • 3128 is the TCP port usually used by cntlm, a ntlm authentication proxy. Does it sound familiar to you?
    – DrNoone
    Jun 27, 2013 at 21:03
  • @DrNoone, No, it doesn't. I have seen that some desktop software use 3128 as the default proxy port on localhost.
    – James
    Jun 28, 2013 at 1:57
  • Does this happen only at your home or also when you connect to other networks, e.g. at a friends house?
    – Turbo J
    Jul 1, 2013 at 13:50

1 Answer 1

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It seems to be a known "feature" if you use Kaspersky Internet Security:

http://forum.kaspersky.com/index.php?s=8ffe1c0b8684d5bd3d1353f0d074f528&showtopic=260035

However, as you can see in the link above, it comes with a few issues. Disabling the 'web protection' component seems to do the trick.

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  • I forgot to mention it does not work in their latest incarnation.
    – lorenzog
    Dec 5, 2013 at 11:37

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