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Re: ai_flags in calls to getaddrinfo, broader call for reproducibility c
From: |
Eli Zaretskii |
Subject: |
Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check |
Date: |
Mon, 11 Jan 2021 22:46:23 +0200 |
> From: Robert Pluim <rpluim@gmail.com>
> Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
> Date: Mon, 11 Jan 2021 18:53:51 +0100
>
> (require 'dns)
> (skip-unless (dns-query "google.com" 'AAAA))
>
> and then do the network-lookup-address-info tests (although on Windows
> this depends on DNS over TCP working, and either /etc/resolv.conf or a
> working nslookup). Eli?
Tell me what to try, and I will show the results. TIA.
> > Another perspective on above is that when you mention "behind firewalls up
> > the kazoo", what my intuition imagines is something like: corporate DNS
> > filtering which only allows specific request types and either was never
> > updated to think of AAAA queries as valid, or is operated in a way assuming
> > that users will never have a legitimate need for them (because they "won't
> > be able to use" the results), or does this as a workaround for some broken
> > behavior elsewhere (such as some other device used in the organization
> > which will prefer an IPv6 address response even when it's not reachable,
> > and fail to fall back to IPv4?) or... any number of things like that.
> >
>
> Iʼd love to be able to persuade Eli's network admins to fix such
> things, but I only attempt things that have a reasonable chance of
> success (and such things are sometimes dependent on vendors rather
> than admins).
No danger of that succeeding in this case, forget it. I had trouble
convincing them to let me access Git repositories via HTTPS, let alone
SSH. Every non-standard port under the sun is blocked. I cannot even
ping any address, have to use tcping instead.
Thanks.
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, (continued)
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Lars Ingebrigtsen, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Lars Ingebrigtsen, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Lars Ingebrigtsen, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Lars Ingebrigtsen, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Stefan Monnier, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Eli Zaretskii, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Eli Zaretskii, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check,
Eli Zaretskii <=
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Eli Zaretskii, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Eli Zaretskii, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Eli Zaretskii, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/12
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Basil L. Contovounesios, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Robert Pluim, 2021/01/11
- Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check, Andy Moreton, 2021/01/11