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/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -435,7 +435,8 @@ static ngx_str_t  ngx_http_proxy_hide_he
     ngx_string("X-Accel-Expires"),
     ngx_string("X-Accel-Redirect"),
     ngx_string("X-Accel-Limit-Rate"),
-    ngx_string("X-Accel-Buffer"),
+    ngx_string("X-Accel-Buffering"),
+    ngx_string("X-Accel-Charset"),
     ngx_null_string
 };