disable TRACE method

src/http/ngx_http_parse.c

diff --git a/src/http/ngx_http_parse.c b/src/http/ngx_http_parse.c
index 135208e..6d0f848 100644
--- a/src/http/ngx_http_parse.c
+++ b/src/http/ngx_http_parse.c
@@ -146,6 +146,12 @@
                         r->method = NGX_HTTP_MKCOL;
                     }
 
+                    if (m[0] == 'T' && m[1] == 'R'
+                        && m[2] == 'A' && m[3] == 'C' && m[4] == 'E')
+                    {
+                        r->method = NGX_HTTP_TRACE;
+                    }
+
                     break;
 
                 case 6: