nginx 0.1.43 *) Feature: the listen(2) backlog in the "listen" directive can be changed using the -HUP signal. *) Feature: the geo2nginx.pl script was added to contrib. *) Change: the FastCGI parameters with the empty values now are passed to a server. *) Bugfix: the segmentation fault occurred or the worker process may got caught in an endless loop if the proxied or FastCGI server sent the "Cache-Control" header line and the "expires" directive was used; in the proxied mode the bug appeared in 0.1.29.

--- a/src/core/ngx_connection.h
+++ b/src/core/ngx_connection.h
@@ -45,6 +45,7 @@ typedef struct {
     unsigned          bound:1;       /* already bound */
     unsigned          inherited:1;   /* inherited from previous process */
     unsigned          nonblocking_accept:1;
+    unsigned          change_backlog:1;
     unsigned          nonblocking:1;
     unsigned          shared:1;    /* shared between threads or processes */
     unsigned          addr_ntop:1;