Check the listing for details. Juniper Networks SSG 5 VPN Firewall Security Gateway Device No PWR Adapter. Condition: Used. Listed at 30.00 USD. The Juniper Networks SSG 5 VPN Firewall Security Gateway Device is a high-quality networking device designed to provide secure VPN access and firewall protection for enterprise networks. With the trusted brand of Juniper Networks and a model specifically designed for security gateway functions, this device offers reliable and efficient network protection. The SSG 5 is a versatile solution for businesses looking to enhance their network security with a trusted and well-known vendor.