I get the same. It's the same message Cloudflare gives on Bitcointalk when you're trying to post something Cloudflare doesn't like. Just a few weeks ago that was
/etc/hosts.
Maybe temporary solution would be for us to use TalkImg registered accounts to avoid this issue from cloudflare.
In that case joker_josue would probably have to manually whitelist members who are affected.
Take down the image hosting and image proxy, take down ChartBuddy. No ChartBuddy, no hourly price updates. This is food for conspiracies

I was thinking that one of the reasons for this attacks could also be the new Bitcoin ATH.