Hello,
i have a calenderserver version -2.4 from apple running on a linux squeeze box, after i enabled digest auth in caldav i got an error message as follow (caldav is still working, i can login with username and pass):


2010-11-08 16:37:49+0100 [-] [caldav-8008]       File "/usr/lib/twisted-calendarserver/lib/python2.6/site-packages/twistedcaldav/directory/digest.py", line 271, in _validate
2010-11-08 16:37:49+0100 [-] [caldav-8008]         raise error.LoginFailed('Invalid nonce value: %s' % (nonce,))
2010-11-08 16:37:49+0100 [-] [caldav-8008]     twisted.cred.error.LoginFailed: Invalid nonce value: 16036484758839640981338387445