The request / response that are contrary to the Web firewall security policies have been blocked.

Detect time	2024-04-19 18:09:19
Detect client IP	172.16.218.13 (x-forward-for : 18.227.161.226 )
Detect URL	http://www.knowtbt.kr/chinastdanals/chinastdanalsecgcertlist.do