nginx 0.1.30 *) Bugfix: the worker process may got caught in an endless loop if the SSI was used. *) Bugfix: the response encrypted by SSL may not transferred complete. *) Bugfix: if the length of the response part received at once from proxied or FastCGI server was equal to 500, then nginx returns the 500 response code; in proxy mode the bug appeared in 0.1.29 only. *) Bugfix: nginx did not consider the directives with 8 or 9 parameters as invalid. *) Feature: the "return" directive can return the 204 response code. *) Feature: the "ignore_invalid_headers" directive.

--- a/src/http/ngx_http_core_module.h
+++ b/src/http/ngx_http_core_module.h
@@ -87,6 +87,8 @@ typedef struct {
     ngx_msec_t                 client_header_timeout;
 
     ngx_uint_t                 restrict_host_names;
+
+    ngx_flag_t                 ignore_invalid_headers;
 } ngx_http_core_srv_conf_t;