Hello,
Since Zimbra 8.7.11 we have many "CSFE_SVC_ERROR" errors on GUI:
CSFE_SVC_ERROR Method: NoOpRequest Details:HTTP response status 502,
CSFE_SVC_ERROR Method: SearchDirectoryRequest Details:HTTP response status 502,
etc...
I've already read similar topics but there isn't any dosfilter event on our logs.
Do you have any suggestion?