-#PerlSetVar FreesideSecure 1 #disables HTTP, so HTTPS only
-PerlSetVar FreesideHttpOnly 1 #limits cookie theft via JS
+#disables HTTP, so HTTPS only
+#PerlSetVar FreesideSecure 1
+
+#prevents cookie theft via JS
+PerlSetVar FreesideHttpOnly 1
+
+#prevents broken restarts with "couldn't grab the accept mutex" error
+Mutex posixsem