non cacheable $proxy_host and $proxy_port
diff --git a/src/http/modules/ngx_http_proxy_module.c b/src/http/modules/ngx_http_proxy_module.c
index 83eeac6..c559d31 100644
--- a/src/http/modules/ngx_http_proxy_module.c
+++ b/src/http/modules/ngx_http_proxy_module.c
@@ -444,10 +444,10 @@
static ngx_http_variable_t ngx_http_proxy_vars[] = {
{ ngx_string("proxy_host"), NULL, ngx_http_proxy_host_variable, 0,
- NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOHASH, 0 },
+ NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
{ ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,
- NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOHASH, 0 },
+ NGX_HTTP_VAR_CHANGEABLE|NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 },
{ ngx_string("proxy_add_x_forwarded_for"), NULL,
ngx_http_proxy_add_x_forwarded_for_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },
