nginx does not sent the response headers but only response body on 400
bad request.
e.g.
$ nc 127.0.0.1 80
GET HTTP/1.0
400 Bad Request
nginx/0.9.1
Posted at Nginx Forum:
nginx/0.9.1
On Tue, Apr 26, 2011 at 11:35:35PM -0400, xiezhenye wrote:
400 Bad Request
nginx/0.9.1
This is so called HTTP/0.9 response.
There are no headers in HTTP/0.9.
$ nc apache.org 80
GET HTTP/1.0
Bad Request
Your browser sent a request that this server could not understand.
Apache/2.3.8 (Unix) mod_ssl/2.3.8 OpenSSL/1.0.0c Server at www.apache.org Port 80
–
Igor S.