Hi i have the same problem, that i had 1 month ago. that was old post: https://4gameforum.com/threads/646594/ i solved it last time when i disabled my firewall of router. i don't change nothing and the problem return. And i intalled and try the trial period of WTFast program and i can play normally but if i turned off WTFast i can't login and if i can log i dc in 1 min.
this a photo of wtfast runnig https://ibb.co/ibRT2a But wtfast trial period end in 15 days and i don't want pay for it i need to solve the problem without wtfast. ty