nginx 0.6.7 *) Change: now the paths specified in the "include", "auth_basic_user_file", "perl_modules", "ssl_certificate", "ssl_certificate_key", and "ssl_client_certificate" directives are relative to directory of nginx configuration file nginx.conf, but not to nginx prefix directory. *) Change: the --sysconfdir=PATH option in configure was canceled. *) Change: the special make target "upgrade1" was defined for online upgrade of 0.1.x versions. *) Feature: the "server_name" and "valid_referers" directives support regular expressions. *) Feature: the "server" directive in the "upstream" context supports the "backup" parameter. *) Feature: the ngx_http_perl_module supports the $r->discard_request_body. *) Feature: the "add_header Last-Modified ..." directive changes the "Last-Modified" response header line. *) Bugfix: if an response different than 200 was returned to an request with body and connection went to the keep-alive state after the request, then nginx returned 400 for the next request. *) Bugfix: a segmentation fault occurred in worker process if invalid address was set in the "auth_http" directive. *) Bugfix: now nginx uses default listen backlog value 511 on all platforms except FreeBSD. Thanks to Jiang Hong. *) Bugfix: a worker process may got caught in an endless loop, if an "server" inside "upstream" block was marked as "down"; bug appeared in 0.6.6. *) Bugfix: now Solaris sendfilev() is not used to transfer the client request body to FastCGI-server via the unix domain socket.

--- a/src/event/ngx_event.c
+++ b/src/event/ngx_event.c
@@ -1038,8 +1038,9 @@ ngx_event_debug_connection(ngx_conf_t *c
 #if (NGX_DEBUG)
     ngx_event_conf_t  *ecf = conf;
 
+    ngx_int_t           rc;
+    ngx_str_t          *value;
     ngx_event_debug_t  *dc;
-    ngx_str_t          *value;
     struct hostent     *h;
     ngx_inet_cidr_t     in_cidr;
 
@@ -1056,13 +1057,21 @@ ngx_event_debug_connection(ngx_conf_t *c
 
     if (dc->addr != INADDR_NONE) {
         dc->mask = 0xffffffff;
-        return NGX_OK;
+        return NGX_CONF_OK;
     }
 
-    if (ngx_ptocidr(&value[1], &in_cidr) == NGX_OK) {
+    rc = ngx_ptocidr(&value[1], &in_cidr);
+
+    if (rc == NGX_DONE) {
+        ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
+                           "low address bits of %V are meaningless", &value[1]);
+        rc = NGX_OK;
+    }
+
+    if (rc == NGX_OK) {
         dc->mask = in_cidr.mask;
         dc->addr = in_cidr.addr;
-        return NGX_OK;
+        return NGX_CONF_OK;
     }
 
     h = gethostbyname((char *) value[1].data);
@@ -1084,7 +1093,7 @@ ngx_event_debug_connection(ngx_conf_t *c
 
 #endif
 
-    return NGX_OK;
+    return NGX_CONF_OK;
 }