Allow destinations port

I needaccesshttp://infocarquim.insht.es:86/but can not findwhereto enablethedestinationport86.
inFWI haveenableddestinationport86.

This error is showed

The requested URL could not be retrieved

While trying to retrieve the URL: http://infocarquim.insht.es:86/

The following error was encountered:

• Access Denied.

  Access control configuration prevents your request from being allowed at this time. Please contact your service provider if you feel this is incorrect.

Thewebbrowsingport 80or 443is correct

Wherethe list ofdestinationportsenabled?

Best regards