From 0cd1f16c476ca72c324b8ded07c861ebe0dce4e0 Mon Sep 17 00:00:00 2001 From: lijie Date: Mon, 17 Jul 2023 04:45:06 +0800 Subject: [PATCH] Scanning port 10247 lead to tcp connection 502 error (#9815) * fix tcp 502 error * fix tcp 502 error for parse tcp backend data * fix tcp 502 error for parse tcp backend data --- rootfs/etc/nginx/lua/tcp_udp_configuration.lua | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/rootfs/etc/nginx/lua/tcp_udp_configuration.lua b/rootfs/etc/nginx/lua/tcp_udp_configuration.lua index 85864b45b..f191454fa 100644 --- a/rootfs/etc/nginx/lua/tcp_udp_configuration.lua +++ b/rootfs/etc/nginx/lua/tcp_udp_configuration.lua @@ -1,5 +1,6 @@ local ngx = ngx local tostring = tostring +local cjson = require("cjson.safe") -- this is the Lua representation of TCP/UDP Configuration local tcp_udp_configuration_data = ngx.shared.tcp_udp_configuration_data @@ -37,6 +38,14 @@ function _M.call() return end + local _, backends_err = cjson.decode(backends) + + if backends_err then + ngx.log(ngx.ERR, "could not parse backends data: ", backends_err) + return + end + + local success, err_conf = tcp_udp_configuration_data:set("backends", backends) if not success then ngx.log(ngx.ERR, "dynamic-configuration: error updating configuration: " .. tostring(err_conf))