code: public int getSecureHttpPort(String hostAlias) {
          com.ibm.wsspi.http.VirtualHost local = config;
          if ( local == null )
              return -1;
          else
              return local.getSecureHttpPort(hostAlias);
      }
docs: Return the port that should be used for secure redirect
  from http to https.
  <p>
  Host aliases are paired: *:80<->*:443. If the VirtualHost supports
  several aliases, they may not all be paired for failover.
  <p>
  @param hostAlias The http host alias to find the partner for.
  @return secure https port associated with the given alias (via endpoint configuration),
  or -1 if unconfigured.