Upgrade from 2.3.1 to 2.6.6 fail

[Foo Donald]

Hi all,
I upgrade my rsync from 2.3.1 to 2.6.6 today in the client host, everything
seems not working after the migration.
I didn't touch the rsync server.
Herewith is the log from my rsync server. I looks like something related to
IPV6, anyone has any idea?
 
Rsync Server : RHEL4 with rsync 2.6.3 deamon running
Rsync Client (merlin) : Solaris 8 with rsync 2.6.6
 
 
2006/05/09 16:18:40 [5332] forward name lookup for merlin failed: Name or
service not known
2006/05/09 16:18:40 [5332] rsync denied on module autoupdate from unknown
(::ffff:merlin's IP address)
2006/05/09 16:18:53 [5351] forward name lookup for merlin failed: Name or
service not known
2006/05/09 16:18:53 [5351] rsync denied on module autoupdate from unknown
(::ffff:merlin's IP address)

 
Regards,
Donald
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