Would NIS block ports or FTP connections

I can't reach a website It says my Firewall will not let me connect over FTP connections, I think this may be normal? Maybe just the website is down due to whatever reason, However Norton Idenity Safe Pops up and stops me from getting any information regarding a Tornado Update on the website, Anybody ever see this, I am runninr XP sp3 with NIS 19, Thanks,,,,Gorpy1