What runs op the director (pcf 1.11):
/:~# ps -ef|grep -i credh vcap 35083 1 0 Jan26 ? 00:05:10 java -Dspring.profiles.active=prod -Dspring.config.location=/var/vcap/jobs/credhub/config/application.yml -Dlog4j.configurationFile=/var/vcap/jobs/credhub/config/log4j2.properties -Djava.security.egd=file:/dev/urandom -Djava.io.tmpdir=/var/vcap/jobs/credhub/tmp -ea -jar credhub.jar ....
This listens on port 8844.
There is an interesting config file @ /var/vcap/jobs/credhub/config/application.yml
Logging is @ /var/vcap/sys/log/credhub/credhub.log