New TLS certificates on Monday, 2014-09-01 Aug. 30, 2014, 10:02 a.m. by mati

Our TLS certificates for and expire on September 5th, 2014. New certificates are created and will be deployed on Monday, September 1st, 2014. Checksums for all certificates are provided here in case you want to verify the validity of the new certificates:
  • (via Jabber/XMPP).
    • md5: 1C:C4:A2:72:8A:7F:49:E5:1C:B9:CB:DB:03:64:28:AC
    • sha1: F0:00:FC:8F:9E:DB:CF:D2:CB:F0:3E:BE:C0:69:A5:92:8E:23:39:7B
    • sha256: C8:AF:DD:00:38:1E:13:BD:00:0C:28:CE:13:CE:27:28:41:17:A0:1B:92:CF:19:8D:2F:64:C5:C6:E7:4C:36:E0
    • sha512: 0A:E8:B0:8F:45:7B:80:13:09:0C:F7:11:8A:D4:54:66:77:A0:80:0A:42:03:D0:7D:AA:C5:38:52:CC:BE:60:E3: 4E:57:8F:E4:BB:E7:E4:76:F1:B0:5A:0C:BE:07:12:56:F1:0C:F5:1E:8D:91:ED:A7:0E:2F:F8:EA:DB:19:7E:C2
  • (via HTTPS).
    • md5: 1A:7A:73:3A:06:22:F5:B5:C5:33:15:B8:B8:86:EF:37
    • sha1: 52:87:17:52:03:3F:13:35:42:6B:D8:35:FB:C6:A2:59:83:7F:9A:7A
    • sha256: B0:63:55:97:F3:BE:14:7C:D5:E6:86:FB:87:F7:DB:65:C8:93:1A:50:BC:65:99:71:CA:E6:1D:70:F9:F5:8F:5B
    • sha512: D2:12:0C:C9:69:D4:74:E1:51:8E:9D:62:DB:9A:8A:44:00:71:17:59:D7:B7:21:81:A7:B5:2A:62:53:E0:4C:89: 91:7B:7F:B3:6C:BD:87:4F:E8:81:47:4D:21:DA:5D:2B:A8:54:D3:56:40:00:8D:4A:8C:C3:10:FD:23:A8:5A:B2
  • (via Jabber/XMPP and HTTPS).
... read more

Webchat is back! July 20, 2014, 10:09 a.m. by mati

Our Webchat is finally back online, so you can again use from your browser. We now use Jappix instead of the old, unmaintained JWChat. The new URL is Our Jappix installation probably still has a few rough edges, please forgive us any problems. ... read more

Update of our privacy policy July 11, 2014, 8:07 p.m. by mati

We just updated our statement regarding how we handle your privacy. The changes are.

  1. Clarification that HTTPS connections are logged for a limited amount of time.
... read more

Problems connecting to July 2, 2014, 5:43 p.m. by mati

Since our upgrade last Saturday, we're seeing a decreased number (about 10% less) of connections. It might be related to our local summer holidays, but we're trying to find out if there are users that have trouble connecting to If you can't connect, please contact us right away!. ... read more

Ejabberd Upgrade June 27, 2014, 7:08 p.m. by mati

Update. The update is finally done. In total, we were less then five minutes where our server was unavailable. ... read more

Update: Server-Upgrade May 11, 2014, 5:08 p.m. by mati

Our operating system was updated and now runs on Debian Stable. Unfortunately the update did not go as smoothly as planned. We were unavailable for almost two hours and are still not finished. ... read more

Downtime: 2014-05-10, 9:00 due to server upgrade April 29, 2014, 6:31 p.m. by mati

On May 10, 2014, we will be replacing our current Ubuntu 12.04 operating system installation with Debian. We have become more and more disatisfied with Ubuntu as a server operating system and are slowly switching all our servers. At the same time, we will also use the opportunity to do a major ejabberd upgrade. The new version has a different configuration format, so the switch is not as straightforward as usual. ... read more

Ende von "HTTP Polling" mit 1.1.2014 Nov. 18, 2013, 12:39 p.m. by mati

Support for HTTP Polling will end with January 1st, 2014. HTTP Polling is an old technology used to connect either via a webclient or from a normal client to circumvent a firewall. If neither applies to you, you can ignore this message. We of course still support XMPP Over BOSH, the much more sophisticated successor.

... read more

New website for registering an account and resetting your password Nov. 3, 2013, 7:26 p.m. by mati

We have started a small new website, to manage registrations. The website also offers you the ability to reset your password in case you loose it - something that wasn't really possible previously. If you want the ability to reset your password, please set your email address now.

... read more

How-To: Good TLS encryption Sept. 21, 2013, 2:33 p.m. by mati

Recently, Thijs Alkemade published a three-part blog post on "The State of TLS security on XMPP". Part 1 covers the quality of TLS encryption on client-to-server (c2s) connections, while part 2 covers server-to-server (s2s) connections (and part 3 covers clients, not of interest in this article). Thijs also graded encryption quality, and as it turns out, was in the top-spot in encryption quality. This may give us a reason to celebrate, but it does draw a sad picture of the quality of encryption on the Jabber/XMPP network. ... read more