[GRLUG] Slightly OT, .. Bad URL redirect

[Grand Rapids Linux Users Group]

If you manually do a DNS lookup from both the failing and non-failing
machine, do you get the same IP address for the hostname?

Maybe one has something in /etc/hosts that is giving an old/bad address?

On Mon, Jun 7, 2021 at 6:58 PM Grand Rapids Linux Users Group <
grlug at grlug.org> wrote:

> Doing more testing with another system that is the same distro, version,
> and application (i.e. both run Nagios):
>
>    Original machine                 Test machine
>    ================                 ============
>
> lynx usam.com                   lynx usam.com
>         <fails>                         <works!>
>     ldd lynx                            <same library versions!!>
>
> curl usam.com                   curl usam.com
>         <fails>                         <returns the redirect HTML>
>     ldd curl                            <same libraries & vers!!>
>
> repositories    <exactly the same>
> update status   <exactly the same>
>
> My original hypothesis that the problem could be traced to the last
> letsencrypt update does not appear valid, as there are other sites with
> newer certs that DO work properly.
>
> As there is no code difference between tools on these two machines, how
> can the cause of this site failure be isolated?
>
>         Thanks!
> --
> grlug mailing list
> grlug at grlug.org
> https://shinobu.grlug.org/mailman/listinfo/grlug
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://shinobu.grlug.org/pipermail/grlug/attachments/20210607/77e68379/attachment.html>