Splunk Search

Errors feeding Arcsight with Splunk search results using Splunk Real-Time Output app


I am trying to feed Arcsight with the results of a Splunk search using the real time output app. I get the following error message.

_time log severity raw
21 7/17/14 4:35:36.214 PM rtoutput.log ERROR [Errno -2] Name or service not known Traceback (most recent call last): File "/opt/splunk/etc/apps/SplunkRealTimeOutput/bin/scripted_inputs/rtoutput.py", line 462, in asyncore.loop(use_poll=True) File "/opt/splunk/lib/python2.7/asyncore.py", line 216, in loop poll_fun(timeout, map) File "/opt/splunk/lib/python2.7/asyncore.py", line 201, in poll2 readwrite(obj, flags) File "/opt/splunk/lib/python2.7/asyncore.py", line 117, in readwrite obj.handle_error() File "/opt/splunk/lib/python2.7/asyncore.py", line 503, in handle_error self.handle_close() File "/opt/splunk/etc/apps/SplunkRealTimeOutput/bin/real_time_output/clients/httpsclient.py", line 235, in handle_close self.handle_parse_chunked(self.linebuffer) File "/opt/splunk/etc/apps/SplunkRealTimeOutput/bin/real_time_output/clients/httpsclient.py", line 333, in handle_parse_chunked self.reset_and_callback() File "/opt/splunk/etc/apps/SplunkRealTimeOutput/bin/real_time_output/clients/httpsclient.py", line 472, in reset_and_callback self.callback(result) File "/opt/splunk/etc/apps/SplunkRealTimeOutput/bin/scripted_inputs/rtoutput.py", line 330, in _cb_syslog sent = syslog.send(output.formatted_events) File "/opt/splunk/etc/apps/SplunkRealTimeOutput/bin/scripted_inputs/rtoutput.py", line 240, in send self.socket.sendto(message, self.address) gaierror: [Errno -2] Name or service not known

Question 1 - The search produces many fields. What happens when these fields not match with any of the CEF fields found ceftool.py? Should I restrict the numbers of fields from the search result to the ones that have a match in ceftool.py ?

Question 2 - the RTO app seems to provide different names than the ones found in ceftool.py?

Question 3 - What is the meaning of the listed error message?

0 Karma

  1. You map the Splunk fields to the CEF fields, anything that isn't mapped to a CEF field (either manually via "cef_field_map" or automatically in ceftool.py) won't be in the CEF event.
  2. The RTO app shows the fields that Splunk found during the search on the left and the CEF fields defined in ceftool.py on the right. I modified my ceftool.py to contain every CEF field that is defined in the CEF standard, since ceftool.py is missing a large number of them. I also mapped CIM standard fields to the majority of the CEF fields.
  3. I believe that means that it is unable to resolve the hostname that you are using, though there are many reasons for gaierror to be thrown. Something is causing the socket to be unable to connect. Wrong port, wrong address, wrong permissions, could be many things.
0 Karma
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