nginx 0.6.26 *) Bugfix: the "proxy_store" and "fastcgi_store" directives did not check a response length. *) Bugfix: a segmentation fault occurred in worker process, if big value was used in a "expires" directive. Thanks to Joaquin Cuenca Abela. *) Bugfix: nginx incorrectly detected cache line size on Pentium 4. Thanks to Gena Makhomed. *) Bugfix: in proxied or FastCGI subrequests a client original method was used instead of the GET method. *) Bugfix: socket leak in HTTPS mode if deferred accept was used. Thanks to Ben Maurer. *) Bugfix: nginx issued the bogus error message "SSL_shutdown() failed (SSL: )"; bug appeared in 0.6.23. *) Bugfix: in HTTPS mode requests might fail with the "bad write retry" error; bug appeared in 0.6.23.

--- a/src/event/ngx_event_connect.c
+++ b/src/event/ngx_event_connect.c
@@ -143,8 +143,14 @@ ngx_event_connect_peer(ngx_peer_connecti
 
         if (err != NGX_EINPROGRESS && err != NGX_EAGAIN) {
 
-            if (err == NGX_ECONNREFUSED || err == NGX_EHOSTUNREACH) {
+            if (err == NGX_ECONNREFUSED
+                || err == NGX_ENETDOWN
+                || err == NGX_ENETUNREACH
+                || err == NGX_EHOSTDOWN
+                || err == NGX_EHOSTUNREACH)
+            {
                 level = NGX_LOG_ERR;
+
             } else {
                 level = NGX_LOG_CRIT;
             }