Sebastian Hagedorn Hagedorn at uni-koeln.de
Wed Mar 23 10:13:46 EDT 2016


we've been using IPv6 for a few years now, but so far we haven't used it 
with Cyrus. Now we want to, and I have a few questions:

Is it correct that if we use host names in the listen statement and add a 
AAAA record to the DNS that Cyrus will automatically listen to both the 
IPv4 and the IPv6 address?

I have manually added listen statements with literal IPv6 addresses to 
cyrus.conf and HUP'ed the master, but that didn't seem to work. What format 
do I have to use? Plain addresses (e.g. 2001:DB8::6f0:484c:df5:e8b1:28cd), 
in brackets like in a browser (e.g. [2001:DB8::6f0:484c:df5:e8b1:28cd]), 
sendmail-style (e.g. IPv6:2001:DB8::6f0:484c:df5:e8b1:28cd) or ...? Or is 
the problem that for changes like that I have to restart the service?

    .:.Sebastian Hagedorn - Weyertal 121 (Gebäude 133), Zimmer 2.02.:.
                 .:.Regionales Rechenzentrum (RRZK).:.
   .:.Universität zu Köln / Cologne University - ✆ +49-221-470-89578.:.

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