+local s2s_secure_auth = module:get_option("s2s_secure_auth");
+
+if s2s_secure_auth and s2s_require_encryption == false then
+ module:log("warn", "s2s_secure_auth implies s2s_require_encryption, but s2s_require_encryption is set to false");
+ s2s_require_encryption = true;
+end