# m.room.server_acl This event type controls which servers can access the room at all. Be very careful adjusting this. * https://matrix.org/docs/guides/moderation#banning-servers-from-rooms-server-acls Note: when sending the custom event via `/devtools` for the first time, click the `Event` so it says `State Event` and asks for `State key` in addition to `type`, which can/is left empty as usual. ```json { "allow": [ "*" ], "allow_ip_literals": false, "deny": [ "glowers.club", "*.glowers.club", "pleasecuminside.me", "*.pleasecuminside.me", "midov.pl", "*.midov.pl", "kiwifarms.net", "*.kiwifarms.net" ] } ```