What is wrong with /b/?

/b/ has been unavailable for me for like 2 or 3 days, even though other people can access it.

wtf?

Have you tried clearing your cache?

Yeah, I tried clearing all of my private data, and it still didn't work.

Does anybody have any idea what the problem is?

I also have this problem. See also:
http://dis.4chan.org/read/lounge/1202785448/1-40

>>2
Clearing cache won't make any difference for 503 issues.

Anyway, I've cleared data (cookies, cache etc) and revisted 4chan home page, clicked random, agreed to the conditions, then it just 503's again. Something is definitely wrong, it happens in multiple browsers.

I just got back on today with a proxy, but it still doesn't work without one.  Is this a sign that I was banned or something?

I've had this same problem. Oh well, it's not like I browse it that often anyway.

I keep getting abnormal reply errors, no matter what I post, it started last night, and now it's still going, no matter what I do.