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I am a regular Stack Overflow user who does not spam, usually posts OK questions etc. However, for two weeks now my IP appears to be banned from any Stack website. I can easily get to the site via proxy, but it's a bit annoying to have to do it every time I want to read some answers etc.

Question is — who do I ask why I got banned and how to get an unban as

  1. I believe it's not deserved (unless I did something wrong not knowing about it),
  2. Perhaps my security is compromised and someone is doing something nasty using my IP as a cover.
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  • So you are saying you cannot browse the site at all when you visit without going through a proxy? Feb 25, 2013 at 19:07
  • Hi psubsee2003, yes. Blank. When I try to ping it times out. Looks to me like iptables drop or something similar. Otherwise account seems to be working (when used via proxy). Although I did not try creating questions recently. Feb 25, 2013 at 19:11
  • @Bart, well unless I am mistaken, 'IP ban' (at least on the firewall level) does not let you establish communication with the server at all and this is what I feel is happening. Feb 25, 2013 at 19:18
  • Could it be that you have a faulty DNS setting? There was a server move recently. What do you get when pinging stackoverflow.com?
    – Pekka
    Feb 25, 2013 at 19:27
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    @Pekka웃: nada - Pinging 198.252.206.16. Request timed out. 100% loss. (When I ping from different IP I got same IP for stackoverflow but my packets go through) Feb 25, 2013 at 19:31
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    Strange. This person has the same problem: Can't access any Stack Exchange site
    – Pekka
    Feb 25, 2013 at 19:36
  • @Pekka웃: Actually now I see that multiple VirginMedia customers have the same problem for the last week or so... Feb 25, 2013 at 19:53

1 Answer 1

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Email us at [email protected]. Include your IP address as reported by http://whatsmyip.org and we'll check things out.

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    @anna Just to confirm my understanding, if a user were banned at the IP level, would this prevent the user from visiting the site altogether or just from participating?
    – Bart
    Feb 25, 2013 at 19:23
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    @Bart Yeah, we just drop the connection when someone comes in from a banned IP.
    – Adam Lear StaffMod
    Feb 25, 2013 at 19:40
  • Could you explain, how you rule out a proxy serving multiple users? My university enforces a transparent proxy, so a few hundred users are behind one ip address. Banning on the IP-level seems quite harsh and not very errorprone.
    – Lars
    Feb 26, 2013 at 10:16
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    @Lars We don't. But we are very hesitant to hand out permanent IP bans basically for the reasons you describe.
    – Adam Lear StaffMod
    Feb 26, 2013 at 14:57

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