A refusal waiting for its request parsed it into a 64 KiB reader for up to 5 s, on a socket every account may open. It now drains at most 4 KiB through a small buffer for at most 1 s and never past the accept-time deadline, only 32 wait at once, and an unknown account is refused before it takes a slot. The busy tests wait for the first line with a timeout and say what came of it (novox/hq issue 434).