PARIS, Sept 6 (Reuters) - A Paris court is set to rule next month on whether a French regulator has the right to block access to international porn sites in France unless those sites can guarantee they can prevent minors under 18 from accessing them. Following a complaint by children's rights associations, French audiovisual and digital regulator Arcom in December 2021 gave notice to five porn sites including Pornhub, requiring them to prove they were blocking access to minors in line with Ju...