答应header变量

waf.lua

@@ -21,7 +21,11 @@ local cjson = require "cjson"
 
 
 
-ngx.say(ngx.req.get_headers()["X-Real-IP"], err)
+local headers = ngx.req.get_headers()
+for k, v in pairs(headers) do
+     print(k .. ":" .. v)
+end
+ngx.say(headers, err)
 ngx.exit(ngx.HTTP_FORBIDDEN)