You can download this HotFix from TIBCO Support Portal (https://support.tibco.com). You will need to provide your TIBCO Support Portal credentials. Once logged in you can the download the hotfix by selecting the “Downloads” -> “Hotfixes” option. Then go to the AvailableDownloads/BusinessWorks/Plugins/eFTL/6.0.0/hotfix-04.

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Closed Issues in 6.0.0_HF-004 (This Release)

BWEFTL-96: SSL Support in eFTL Plugin

NOTE: Use below properties for supporting SSL connection in eFTL Connection Resource

com.tibco.plugin.eftl.trustfile.path ==> Provide comma seprated PEM certifications from Root CA Cert, Server Cert etc. [Mandatory for SSL connection]
com.tibco.plugin.eftl.trustfile.provider.name ==> Provide Provider name. [Optional]
com.tibco.plugin.eftl.trustfile.keystore.type ==> Provide KeyStore Type. [Optional]

For example, 
-Dcom.tibco.plugin.eftl.trustfile.path="C:/tmp/ca-trust.pem,C:/tmp/server_cert.pem"
-Dcom.tibco.plugin.eftl.trustfile.keystore.type=JKS
-Dcom.tibco.plugin.eftl.trustfile.provider.name = Sun 
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You can also download the hotfix using the below link:

https://support.tibco.com/s/hotfixes?id=a014z00000yTxD6AAK