Re: buildfarm server suddenly not talking to old SSL stacks?

On 07/17/2018 08:58 PM, Tom Lane wrote:
> Magnus Hagander <magnus(at)hagander(dot)net> writes:
>> On Tue, Jul 17, 2018 at 8:41 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>>>> $ perl -MLWP::Simple -MLWP::Protocol::https -e 'LWP::Simple::getprint("
>>>> http://buildfarm.postgresql.org/branches_of_interest.txt");'
>>>> 500 Can't connect to buildfarm.postgresql.org:80 (No route to host)
>>>> <URL:http://buildfarm.postgresql.org/branches_of_interest.txt>
>
>> So it could be something else. I have no idea what it would be though,
>> since port 80 seems to work from elsewhere.
>
> Oh, and before you decide to get back in the water ... I just tried this
> stuff from my RHEL6 server. curl is fine, but:
>
> $ perl -MLWP::Simple -MLWP::Protocol::https -e 'LWP::Simple::getprint("http://buildfarm.postgresql.org/branches_of_interest.txt");'
> REL9_3_STABLE
> REL9_4_STABLE
> REL9_5_STABLE
> REL9_6_STABLE
> REL_10_STABLE
> REL_11_STABLE
> HEAD
> $ perl -MLWP::Simple -MLWP::Protocol::https -e 'LWP::Simple::getprint("https://buildfarm.postgresql.org/branches_of_interest.txt");'
> 500 Can't connect to buildfarm.postgresql.org:443 (connect: Network is unreachable) <URL:https://buildfarm.postgresql.org/branches_of_interest.txt>
>
> Now I'm completely confused. This is going through a different ISP
> and significantly different network path to reach rackspace, but
> that shouldn't have anything to do with it? *Something* is darn
> weird here.

given it does not yet seem to have been discussed in this thread - ipv4
vs ipv6 (either direct or indirect through CGN or similiar technologies)?

Stefan