>>3653376Tor = The Onion Router. Think of it like a VPN on steroids. Exit nodes are the last step in the process and since their ips are known, they can be blocked by 4chan so they're not used for posting pizza or whatever
Apparently they need to update their list though, because your ISP seems to be giving you the ip of an old one and 4chan doesn't know it. Something like that.
