Error message on /etc/messages of the node :
Thu Oct 11 02:51:56 UTC [XXXXX:asup.post.result:info]: AutoSupport couldn’t post to AutoSupport server. 0 (HA Group Notification from XXXX (MANAGEMENT_LOG) INFO)
Thu Oct 11 02:51:56 UTC [XXXX:asup.post.drop:error]: AutoSupport message (HA Group Notification from XXXX (MANAGEMENT_LOG) INFO) for host (0) was not posted to NetApp. The system will drop the message.
On the Squid syslog (/var/log/squid3/access.log) :
1349942445.058 0 AA.BB.CC.DD NONE/417 6925 PUT http://support.netapp.com/put/AsupPut/asup_200000181745_0151750224_201210110800_34328_92.7z – NONE/- text/html
1349942445.365 0 AA.BB.CC.DD NONE/417 6813 POST http://support.netapp.com/asupprod/post/1.0/postAsup – NONE/- text/html
Autosupport configuration of the NetApp Controller :
autosupport.support.proxy AA.BB.CC.DD:3128
autosupport.support.to autosupport@netapp.com
autosupport.support.transport http
According to the information I found, the HTTP requests sent by NetApp wouldn’t be RFC compliant.
The solution is to use HTTPS instead of HTTP. You can change this option like this : options autosupport.support.transport https