phlip
(phlip)
1
Does anyone else find it odd that they thought of 403 messages before thinking “What if they type the address wrong?”
What’s even crazier is HTTP/200 - OK
just curious…
thor
(thor)
2
I think it starts at 400, because ‘4’ is a certain type of error, and ‘04’ is the specific error within that category. 
Goo
(Goo)
3
Now that you mention it, I don’t think I’ve ever seen any error that wasn’t 404. Wierd.
Goo
phlip
(phlip)
4
Yes, i thought so too, not quite as funny now.
Well, I know 403 is forbidden, I don’t know any others
bmax
(bmax)
5
401 is access denied, and 500 is internal server error.
Alltaken
(Alltaken)
6
and 666 is blue screen of death error
:< :< :< :<
Alltaken
phlip
(phlip)
7
Complete list from official RFC2616 spec (pp.40-41):
Well you would say that, SATAN!!
Seriosly, blue screens are usually a load of random letters and numbers and have about 16 digits [!]