Splunk Enterprise

Why is Splunk forwarder is not active?

pacifikn
Communicator

Greetings!!

 

I'm getting the warning alerts showing me that splunk forwarder is not active, as shown on the below pic,

pacifikn_1-1653236925375.gif

splunk forwarder is running (/opt/splunkforwarder/bin/splunk status
) but in Monitoring Console under Forwader:Management is not active it's showing a missing status,as shown on the above screenshot

even when I try to stop and restart the splunkforwader service(/opt/splunkforwarder/bin/splunk stop) can't be stopped, as shown on the below screenshot

pacifikn_0-1653236818923.gif

Kindly help me on how i can fix the error,

pacifikn_2-1653237054199.gif

 

pacifikn_0-1653297813289.gif

Another error while searching:(  I am running splunk_security_essentials version 3.0.0.)

***********************************

error 1:

Could not load lookup=LOOKUP-splunk_security_essentials

 

error2:

pacifikn_0-1653298668678.gif

How about and root cause of this error2 above? and how to fix this?

 

Also find the this Warning error, I got from splunkd.log

05-22-2022 19:54:02.957 +0200 WARN SSLCommon - Received fatal SSL3 alert. ssl_state='SSLv3 read server certificate B', alert_description='certificate expired'.
05-22-2022 19:54:02.957 +0200 ERROR TcpOutputFd - Connection to host=x.x.x.17:9997 failed. sock_error = 0. SSL Error = error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed - please check the output of the `openssl verify` command for the certificates involved; note that if certificate verification is enabled (requireClientCert or sslVerifyServerCert set to "true"), the CA certificate and the server certificate should not have the same Common Name.
05-22-2022 19:54:02.960 +0200 ERROR X509Verify - X509 certificate (O=SplunkUser,CN=SplunkServerDefaultCert) failed validation; error=10, reason="certificate has expired"
05-22-2022 19:54:02.960 +0200 WARN SSLCommon - Received fatal SSL3 alert. ssl_state='SSLv3 read server certificate B', alert_description='certificate expired'.
05-22-2022 19:54:02.960 +0200 ERROR TcpOutputFd - Connection to host=x.x.x.16:9997 failed. sock_error = 0. SSL Error = error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed - please check the output of the `openssl verify` command for the certificates involved; note that if certificate verification is enabled (requireClientCert or sslVerifyServerCert set to "true"), the CA certificate and the server certificate should not have the same Common Name.
05-22-2022 19:54:02.964 +0200 ERROR X509Verify - X509 certificate (O=SplunkUser,CN=SplunkServerDefaultCert) failed validation; error=10, reason="certificate has expired"
05-22-2022 19:54:02.964 +0200 WARN SSLCommon - Received fatal SSL3 alert. ssl_state='SSLv3 read server certificate B', alert_description='certificate expired'.
05-22-2022 19:54:02.964 +0200 ERROR TcpOutputFd - Connection to host=x.x.x.14:9997 failed. sock_error = 0. SSL Error = error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed - please check the output of the `openssl verify` command for the certificates involved; note that if certificate verification is enabled (requireClientCert or sslVerifyServerCert set to "true"), the CA certificate and the server certificate should not have the same Common Name.

Kindly help and guide me on how to fix this,

Thank you in advance.

 

 

 

 

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