Re: An Ounce of Prevention

From	<tomas@tuxteam.de>
Newsgroups	linux.debian.user
Subject	Re: An Ounce of Prevention
Date	2019-06-18 10:20 +0200
Message-ID	<yahvr-2p7-3@gated-at.bofh.it> (permalink)
References	(3 earlier) <yaatX-6qv-1@gated-at.bofh.it> <yaaDD-6tM-1@gated-at.bofh.it> <yabq2-6YZ-1@gated-at.bofh.it> <yaccq-7yu-3@gated-at.bofh.it> <yadUR-dA-1@gated-at.bofh.it>
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On Tue, Jun 18, 2019 at 12:07:16AM -0400, Bob Bernstein wrote:
> On Tue, 18 Jun 2019, Andy Smith wrote:
> 
> >What happens if you try to ping something? Like:
> 
> It is the ping failures that give me the most angst [...]

> I was also interested to note that linode returned pings in ipv6
> mode. Switching to 'ping -4' ended any return of pings from linode.
> That was the sort of thing that made me think my "networking" was
> "not working."

FWIW, godaddy responds to pings (v4) here. One possible explanation
is that you're sitting behind of a firewall (yours or your ISP's)
which throws away (v4) ICMPs [1] -- so your pings possibly get out
there, but the responses never arrive back.

Cheers
[1] https://en.wikipedia.org/wiki/Internet_Control_Message_Protocol

-- t

Thread

An Ounce of Prevention Bob Bernstein <poobah@ruptured-duck.com> - 2019-06-17 20:30 +0200
  Re: An Ounce of Prevention Greg Wooledge <wooledg@eeg.ccf.org> - 2019-06-17 20:40 +0200
    Re: An Ounce of Prevention Tixy <tixy@yxit.co.uk> - 2019-06-17 20:50 +0200
      Re: An Ounce of Prevention Tixy <tixy@yxit.co.uk> - 2019-06-17 21:00 +0200
        Re: An Ounce of Prevention Tixy <tixy@yxit.co.uk> - 2019-06-17 21:00 +0200
    Re: An Ounce of Prevention Bob Bernstein <bob@fanatick.org> - 2019-06-17 22:00 +0200
      Re: An Ounce of Prevention Bob Bernstein <poobah@ruptured-duck.com> - 2019-06-18 02:50 +0200
        Re: An Ounce of Prevention Andy Smith <andy@strugglers.net> - 2019-06-18 03:00 +0200
          Re: An Ounce of Prevention Bob Bernstein <bob@fanatick.org> - 2019-06-18 03:50 +0200
            Re: An Ounce of Prevention Andy Smith <andy@strugglers.net> - 2019-06-18 04:40 +0200
              Re: An Ounce of Prevention Bob Bernstein <bob@fanatick.org> - 2019-06-18 06:30 +0200
                Re: An Ounce of Prevention <tomas@tuxteam.de> - 2019-06-18 10:20 +0200
                Re: An Ounce of Prevention Richard Hector <richard@walnut.gen.nz> - 2019-06-18 10:40 +0200
                Re: An Ounce of Prevention Andy Smith <andy@strugglers.net> - 2019-06-18 13:20 +0200
                Re: An Ounce of Prevention <tomas@tuxteam.de> - 2019-06-18 13:40 +0200
                Re: An Ounce of Prevention Bob Bernstein <bob@fanatick.org> - 2019-06-18 17:40 +0200
  Re: An Ounce of Prevention Joe <joe@jretrading.com> - 2019-06-17 21:50 +0200
  Re: An Ounce of Prevention andreimpopescu@gmail.com - 2019-07-02 11:20 +0200

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