![]() ![]() In our Enterprise/Office Networks we deploy FortiGate, Cisco ASA, Palo alto, Checkpoint firewalls to establish SSL VPN with Remote Employees PCs Via Internet. SSL/TLS handshake process during HTTPS Connection: SSL VPN allows users from any Internet-enabled location to launch a web browser to establish remote-access VPN connections to the Firewall(SSL VPN Gateway) of the office location and thus able to access the data/services in the office network over secure SSL Tunnel. Secure Sockets Layer (SSL) VPN provides remote-access VPN capability, using the SSL protocol via web browser. Note: I will just give a brief theoretical summary on above points SSL/TLS Handshake role in protecting cyber-attacks when user trying to access the servers from a remote network via ISP & SSL VPN Gateway (Firewall)?.Need for using Asymmetric and Symmetric encryption in SSL/TLS Handshake?.Fundamental understanding on Public, Private Keys(Asymmetric Encryption), Symmetric Encryption, Digital Signatures Process from Certificate Authority ?. ![]() SSL/TLS handshake process during a HTTPS Connection?.I have used GNS3 platform on VMware Workstation with FortiGate(6.4) and Cisco ASA(9.8) GNS3 Templates.īefore Jumping into Configurations and Troubleshooting of SSL VPN its important to have fundamental understanding of following points. Above picture is the GNS3 lab topology in which I have used FortiGate NGFW(6.4) and Cisco_ASA Firewall(9.8.0) to build an SSL VPN between the Employee_PC and the Firewall(SSL_VPN_Gateway) in the office network. ![]()
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