Have you seen the new knowledge shared related to configuring a secure connection (ie. SSL) for CCRC WAN Server? This seems to be a common question for our CCRC administrators.
Here is a snippet of the helpful information contained in the document:
1. Log on to WAS Admin Console.
2. Follow the path Servers->WebServers->webserver1->plug-in properties and open the Plug-in properties page.
Click Copy to Web server key store directory button.
3. Open the key file /opt/IBM/WebSphere/Plugins/config/webserver1/plugin-key.kdb with IBM Key Management, the default password is WebAS.
Visit the below link for the entire process: