Of course. This is from EE version but open source should follow same logic.
hq-engine/hq-server/conf/server.xml is a template file used during the startup. Just define a new connector:
<Connector port="${server.webapp.port}" executor="tomcatThreadPool" maxHttpHeaderSize="8192"
emptySessionPath="true" protocol="HTTP/1.1"
enableLookups="false" redirectPort="${server.webapp.secure.port}" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" compression="on"
compressableMimeType="text/html,text/xml,text/plain,text/css,text/javascript"/>
<Connector port="7081" executor="tomcatThreadPool" maxHttpHeaderSize="8192"
emptySessionPath="true" protocol="HTTP/1.1"
enableLookups="false" redirectPort="${server.webapp.secure.port}" acceptCount="100"
connectionTimeout="20000" disableUploadTimeout="true" compression="on"
compressableMimeType="text/html,text/xml,text/plain,text/css,text/javascript"/>