diff --git a/.zprofile b/.zprofile
index b2e16d9..154d258 100644
--- a/.zprofile
+++ b/.zprofile
@@ -39,3 +39,9 @@ proxy() {
 noproxy() {
   unset {HTTP_PROXY,HTTPS_PROXY,http_proxy,https_proxy}
 }
+
+if ping -w2 -q swu.dom; then
+  proxy
+else
+  noproxy
+fi