KISA 한국인터넷진흥원 21-03-31 기준 KISA 한국인터넷진흥원 www.kisa.or.kr 1) TCP/UDP Small Service Disabling Configuration no service tcp-small-servers no service udp-small-servers https://www.cisco.com/c/en/us/support/docs/ip/access-lists/13608-21.html Cisco Guide to Harden Cisco IOS Devices This document describes the information to help you secure your Cisco IOS® system devices, which increases the overall secu..