Hi Patil,
Yes, Splunk universal forwarder does not have web UI. I am saying about splunk enterprises this installed on Linux A machine and splunk forwarder on Linux B machine. Splunk B logs need to see forwarder on Linux A(Splunk web url).
output conf file of universal forwarder is located at : /opt/splunkforwarder/etc/system/local
after running run ./splunk btool --debug outputs list
/opt/splunkforwarder/etc/system/default/outputs.conf [syslog]
/opt/splunkforwarder/etc/system/default/outputs.conf maxEventSize = 1024
/opt/splunkforwarder/etc/system/default/outputs.conf priority = <13>
/opt/splunkforwarder/etc/system/default/outputs.conf type = udp
/opt/splunkforwarder/etc/apps/SplunkUniversalForwarder/default/outputs.conf [tcpout]
/opt/splunkforwarder/etc/system/default/outputs.conf ackTimeoutOnShutdown = 30
/opt/splunkforwarder/etc/system/default/outputs.conf autoLBFrequency = 30
/opt/splunkforwarder/etc/system/default/outputs.conf autoLBVolume = 0
/opt/splunkforwarder/etc/system/default/outputs.conf blockOnCloning = true
/opt/splunkforwarder/etc/system/default/outputs.conf blockWarnThreshold = 100
/opt/splunkforwarder/etc/system/default/outputs.conf cipherSuite = ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:AES256-GCM-SHA384:AES128-GCM-SHA256:AES128-SHA256:ECDH-ECDSA-AES256-GCM-SHA384:ECDH-ECDSA-AES128-GCM-SHA256:ECDH-ECDSA-AES256-SHA384:ECDH-ECDSA-AES128-SHA256
/opt/splunkforwarder/etc/system/default/outputs.conf compressed = false
/opt/splunkforwarder/etc/system/default/outputs.conf connectionTimeout = 20
/opt/splunkforwarder/etc/system/local/outputs.conf defaultGroup = default-autolb-group
/opt/splunkforwarder/etc/system/default/outputs.conf disabled = false
/opt/splunkforwarder/etc/system/default/outputs.conf dropClonedEventsOnQueueFull = 5
/opt/splunkforwarder/etc/system/default/outputs.conf dropEventsOnQueueFull = -1
/opt/splunkforwarder/etc/system/default/outputs.conf ecdhCurves = prime256v1, secp384r1, secp521r1
/opt/splunkforwarder/etc/system/default/outputs.conf forceTimebasedAutoLB = false
/opt/splunkforwarder/etc/apps/SplunkUniversalForwarder/default/outputs.conf forwardedindex.0.whitelist = .*
/opt/splunkforwarder/etc/apps/SplunkUniversalForwarder/default/outputs.conf forwardedindex.1.blacklist = _.*
/opt/splunkforwarder/etc/apps/SplunkUniversalForwarder/default/outputs.conf forwardedindex.2.whitelist = (_audit|_introspection|_internal|_telemetry)
/opt/splunkforwarder/etc/apps/SplunkUniversalForwarder/default/outputs.conf forwardedindex.filter.disable = false
/opt/splunkforwarder/etc/system/default/outputs.conf heartbeatFrequency = 30
/opt/splunkforwarder/etc/system/default/outputs.conf indexAndForward = false
/opt/splunkforwarder/etc/system/default/outputs.conf maxConnectionsPerIndexer = 2
/opt/splunkforwarder/etc/system/default/outputs.conf maxFailuresPerInterval = 2
/opt/splunkforwarder/etc/system/default/outputs.conf maxQueueSize = auto
/opt/splunkforwarder/etc/system/default/outputs.conf readTimeout = 300
/opt/splunkforwarder/etc/system/default/outputs.conf secsInFailureInterval = 1
/opt/splunkforwarder/etc/system/default/outputs.conf sendCookedData = true
/opt/splunkforwarder/etc/system/default/outputs.conf sslQuietShutdown = false
/opt/splunkforwarder/etc/system/default/outputs.conf sslVersions = tls1.2
/opt/splunkforwarder/etc/system/default/outputs.conf tcpSendBufSz = 0
/opt/splunkforwarder/etc/system/default/outputs.conf useACK = false
/opt/splunkforwarder/etc/system/default/outputs.conf writeTimeout = 300
/opt/splunkforwarder/etc/system/local/outputs.conf [tcpout-server://10.46.249.41:9997]
/opt/splunkforwarder/etc/system/local/outputs.conf [tcpout:default-autolb-group]
/opt/splunkforwarder/etc/system/local/outputs.conf server = 10.22.139.99:9997
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