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Re: Learning python networking

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On Jan 15, 2014, at 7:52 AM, Chris Angelico <rosuav@gmail.com> wrote:

[megabyte]

> One of the fundamentals of the internet is that connections *will*
> break. A friend of mine introduced me to Magic: The Gathering via a
> program that couldn't handle drop-outs, and it got extremely
> frustrating - we couldn't get a game going. Build your server such
> that your clients can disconnect and reconnect, and you protect
> yourself against half the problem; allow them to connect and kick the
> other connection off, and you solve the other half. (Sometimes, the
> server won't know that the client has gone, so it helps to be able to
> kick like that.) It might not be an issue when you're playing around
> with localhost, and you could even get away with it on a LAN, but on
> the internet, it's so much more friendly to your users to let them
> connect multiple times like that.

But note VERY carefully that this can open HUGE security holes if not done with extreme care.

Leaving a dangling connection (not session, TCP closes sessions) open is an invitation so bad things happening.

-Bill

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Learning python networking Paul Pittlerson <menkomigen6@gmail.com> - 2014-01-08 14:27 -0800
  Re: Learning python networking Chris Angelico <rosuav@gmail.com> - 2014-01-09 10:29 +1100
    Re: Learning python networking Paul Pittlerson <menkomigen6@gmail.com> - 2014-01-15 02:37 -0800
      Re: Learning python networking Denis McMahon <denismfmcmahon@gmail.com> - 2014-01-15 11:11 +0000
      Re: Learning python networking Chris Angelico <rosuav@gmail.com> - 2014-01-15 23:52 +1100
      Re: Learning python networking "Frank Millman" <frank@chagford.com> - 2014-01-15 15:31 +0200
      Re: Learning python networking Chris Angelico <rosuav@gmail.com> - 2014-01-16 01:07 +1100
      Re: Learning python networking Chris Angelico <rosuav@gmail.com> - 2014-01-16 02:36 +1100
      Re: Learning python networking Chris Angelico <rosuav@gmail.com> - 2014-01-16 03:31 +1100
      Re: Learning python networking Chris Angelico <rosuav@gmail.com> - 2014-01-16 03:32 +1100
      Re: Learning python networking William Ray Wing <wrw@mac.com> - 2014-01-15 11:43 -0500
      Re: Learning python networking Chris Angelico <rosuav@gmail.com> - 2014-01-16 04:07 +1100
      Re: Learning python networking William Ray Wing <wrw@mac.com> - 2014-01-15 11:25 -0500
  Re: Learning python networking Dan Stromberg <drsalists@gmail.com> - 2014-01-08 15:53 -0800
  Re: Learning python networking Chris Angelico <rosuav@gmail.com> - 2014-01-09 11:07 +1100
  Re: Learning python networking Dan Stromberg <drsalists@gmail.com> - 2014-01-08 19:49 -0800
    Re: Learning python networking Alister <alister.ware@ntlworld.com> - 2014-01-09 11:32 +0000
  Re: Learning python networking Chris Angelico <rosuav@gmail.com> - 2014-01-09 15:20 +1100

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