IPSEC protocol is a kind of network security standard which is framed by IETF organization for safe communication, and it can be used to provide security protection for IP and higher layer protocols.

IPSEC协议是IETF组织为在IP层提供安全通信而制定的网络安全标准，能为IP及其上层协议提供安全保证。

youdao

Always include MFPs in standard network security measures and policies.

FORBES: The Hidden IT Security Threat: Multifunction Printers