No open proxies policy

Per rfc>Requests_for_Comment/User_accounts_and_addresses#Proposal_2|this request for comment, open proxies may not be used for anonymous editing of Miraheze sites. Open proxies should be globally blocked upon discovery, with logged in editors being allowed to continue editing freely. Users affected by these global blocks should contact Miraheze stew>Stewards|Stewards to get an account of their own.