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

Detect time	2024-04-18 19:53:47
Detect client IP	172.16.218.12 (x-forward-for : 18.221.235.209 )
Detect URL	http://www.knowtbt.kr/download/info/agreement/kor-eu-annex2-4_ko.pdf