guest [59.167.157.243] Tue, 11 Jun 2013 00:45:43 +0000
Modified page: http://wiki.horde.org/ActiveSync
New Revision: 192
Change log: Add info about Horde Activesync behind Apache proxy
@@ -173,8 +173,30 @@
+++ Issues/Workarounds
For some reason, Outlook 2013 doesn't use EAS to provide Free/Busy
lookup, even though the version of the EAS protocol it uses supports
it. If you want Outlook to be able to lookup Free/Busy information
using Horde/Kronolith you need to provide it with the Free/Busy URL.
Under //File -> Options -> Calendar Options// select the "Free/Busy
Options" button. Enter Kronolith's Free/Busy URL:
http://example.com/horde/kronolith/fb.php?u=%NAME%. The %NAME% string
will be replaced by the user portion of the SMTP mailing address used
in the meeting request.
+
+++ Setting up Horde !ActiveSync behind a Reverse Proxy Server
+
+Horde !ActiveSync connections are held open for a period of time up
to $conf[activesync][ping][heartbeatmax] (max 3540 seconds). This can
cause issues with proxy servers timing out on connections, resulting
in errors like this in your proxy server's web server log:
+
+<code>
+[Mon Jun 10 22:24:56 2013] [error] [client 101.169.127.248]
(70007)The timeout specified has expired: proxy: error reading status
line from remote server 192.168.1.230
+[Mon Jun 10 22:24:56 2013] [error] [client 101.169.127.248] proxy:
Error reading from remote server returned by
/Microsoft-Server-ActiveSync
+</code>
+
+You need to ensure that your proxy server's configuration for the
proxy allows for this.
+
+For an Apache proxy, my proxy server's timeout configuration is this:
+
+<code>
+ ProxyPass / https://192.168.1.230/ connectiontimeout=600
timeout=3000
+ ProxyPassReverse / https://192.168.1.230/
+</code>
+
+That allows for up to 600 seconds for a connection to be established
(should cover ALL possibilities!) and then holds that connection open
for up to 3000 seconds. My $conf[activesync][ping][heartbeatmax] is
2700 seconds.
+
+This configuration completely got rid of remote server errors on my
proxy server, and also slightly reduced chat between the devices and
Horde, which should increase battery life.
++ What to do if you have problems (or How to help us help you)
**First off, you should check the list of
((ActiveSync/KnownIssues|known issues)) to see if your problem is
expected or not**. You can also check the Horde bug tracker to see if
your issue has been reported already.
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