>>231
wakachan.org have arch on some boards.
iichan.hk (ex iichan.ru) have arch on almost all boards.

Good thing that, although wakaba distribution includes arch directory, there's nothing in manual about setting permissions for it. So it's safe to assume, i think, that by default you don't have an archive.

Second problem (DoS) also kinda easy to fix. I can post a patch against latest wakaba.pl if anyone interested.