The customer authorization (provided in the link you clicked) is out of date, and does not entitle you to use the Blended Threat service.
https://www.dublinmountains.ie/recreation_sites/kilmashogue/?fbclid=IwAR2eNaKowEUNreKI_Qzzn--F2ckO7blDCiJ7RAa_j3tdZRTWiq-gMxrfbqs