HEAD /403/1 HTTP/1.1
Host:
Accept-Encoding: foo

HEAD /403/1 HTTP/1.1
Host:


HEAD /403/2 HTTP/1.1
Host:
If-Modified-Since: foo

HEAD /403/2 HTTP/1.1
Host:
If-Modified-Since: x

HEAD /403/2 HTTP/1.1
Host:


HEAD /403/3 HTTP/1.1
Host:
If-UNModified-Since: foo

HEAD /403/3 HTTP/1.1
Host:
If-Unmodified-Since: x

HEAD /403/3 HTTP/1.1
Host:


HEAD /403/4 HTTP/1.1
Host:
If-RANGE: foo

HEAD /403/4 HTTP/1.1
Host:
If-Range: x

HEAD /403/4 HTTP/1.1
Host:


HEAD /403/5 HTTP/1.1
Host:
If-Match: foo

HEAD /403/5 HTTP/1.1
Host:
If-Match: x

HEAD /403/5 HTTP/1.1
Host:


HEAD /403/6 HTTP/1.1
Host:
If-NONE-match: foo

HEAD /403/6 HTTP/1.1
Host:
If-None-MATCH: x

HEAD /403/6 HTTP/1.1
Host:


HEAD /403/7 HTTP/1.1
Host:
X-Moz: foo

HEAD /403/7 HTTP/1.1
Host:


HEAD /403/8 HTTP/1.1
Host:
User-Agent: blah_foo_

HEAD /403/8 HTTP/1.1
Host:
User-Agent: _foo_

HEAD /403/8 HTTP/1.1
Host:
User-AGENT: x

HEAD /403/8 HTTP/1.1
Host:


HEAD /403/9 HTTP/1.1
Host:
Referer: news:_x1234

GET /403/9 HTTP/1.1
Host:
Referer: news:_x1234

HEAD /403/9 HTTP/1.1
Host:
Referer: news:x1234

HEAD /403/9 HTTP/1.1
Host:
Referer: news:_foo_

HEAD /403/9 HTTP/1.1
Host:
REFERER: x

HEAD /403/9 HTTP/1.1
Host:


GET / HTTP/1.1
User-AGENT: a
USER-agent: b
Host:

HEAD / HTTP/1.1
Host:
Comment: above should be an error, but displayed as 404...
