Hi all,

Frank van Beek wrote:

Hi all,

This morning we migrated 4 of our websites to a new server. Each of these websites uses a certificate for https connections. We've got only one Apache instance running with 4 virtual hosts on 4 different IP-addresses.

Today we discovered the cause of our problems. Our new hosting provider had invalid reverse DNS records:

---------
% dig -x xxx.xxx.198.61

<-- snip -->
;; ANSWER SECTION:
61.198.xxx.xxx.in-addr.arpa. 900 IN     PTR     .
<-- snip -->

---------

After they changed their DNS, all we had to do was restart Apache to make it function correctly.

With many thanks to ssh on Mac OS X which reported: Nasty PTR record "" is set up for xxx.xxx.198.61, ignoring.

That's what gave us a clue that it might be reverse DNS related.

Frank.
--
Frank van Beek

WAXTRAPP BV
van Diemenstraat 366
1013CR Amsterdam
The Netherlands

Phone:  +31 (0)20 672 2308
Fax:    +31 (0)20 672 2488

http://www.waxtrapp.com
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