[Bug 2583] New: rsync fails with "authentication failure"

[samba-bugs at samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=2583

           Summary: rsync fails with "authentication failure"
           Product: rsync
           Version: 2.6.4
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P3
         Component: core
        AssignedTo: wayned at samba.org
        ReportedBy: hpa at zytor.com
         QAContact: rsync-qa at samba.org


On kernel.org, we have a upload system which consists of one server rsyncing to
another, using an rsync daemon with a very long, random password.

Since upgrading the server to an x86-64 machine running Fedora Core 3 and rsync
2.6.3 (also tried rsync 2.6.4) we have been getting the following errors.  The
client machine is a i386 tested with rsync 2.5.8 from RHEL3 as well as rsync
2.6.3 and 2.6.4:

[Note: this message is from rsync-2.6.4-2 from Fedora Development.]
@ERROR: auth failed on module pubupload
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: error in rsync protocol data stream (code 12) at io.c(420)

There are a total of four upload modules, of which "pubupload" is the largest
one by several orders of magnitude.  These errors *only* happen on the
"pubupload" module, and even then not consistently (fortunately.)

The command used on the client host is:

rsync -rlHtSpq --delete --timeout=3600 --exclude /mirrors/ --exclude lost+found/
--exclude '.#*' /pub/ korg at zeus2.kernel.org::pubupload/

Please contact me directly for a copy of the rsyncd.conf file, since I do not
want to post it publically.

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