Application of Virtual Private Network Technology in Computer Network Information Security
This paper firstly outlines the basic principles and historical development of VPN,and then introduces different types of VPN technologies in detail,including PPTP,L2TP,IPsec and SSL VPN,and analyzes their advantages and limitations.Next,the applications of VPNs in information security are explored,including telecommuting and remote access,connectivity across geographic locations,data encryption and protection,and real-world use cases,such as healthcare and financial institutions.Finally,the importance of VPN technology in maintaining data security,compliance requirements,and globalized business growth is emphasized.The widespread use of VPN technology provides effective information security for businesses and individuals,helping to counter the growing number of cyber threats.