Watch out for this one, after configuring https_proxy environment variable, the Cisco IPS script to connect to port 443 using SDEE to an IDSM was also using the proxy - and with no access from Proxy to port 443 on the IDSM all I was getting was 504 Gateway Errors in the sdee log file
It would be good if there was a configuration item within the manager to specify a proxy only for splunk's access to Splunk resources on the internet.
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