Juniper Networks® SSG500 line of secure services gateways consists of high-performance security platforms for regional branch office and medium-sized, standalone businesses that
want to stop internal and external attacks, prevent unauthorized access and achieve regulatory compliance. The Juniper Networks SSG550/SSG550M Secure Services Gateway provides
1+ Gbps of stateful firewall performance and 500 Mbps of IPsec VPN performance, while the Juniper Networks SSG520/SSG520M Secure Services Gateway provides 650 Mbps of stateful
firewall performance and 300 Mbps of IPsec VPN performance.

• Delivers performance headroom required to protect against internal and external attacks now and into the future.
• Ensures that the network is protected against all manner of attacks.
• Stops viruses, spyware, adware and other malware.
• Blocks unwanted email from known spammers and phishers.
• Controls/blocks access to malicious Web sites.
• Prevents application-level attacks from flooding the network.
• Provides high-speed LAN connectivity, future connectivity and flexible management.
• Powerful capabilities facilitate deploying security for various internal, external and DMZ sub-groups on the network, to prevent unauthorized access.
• Delivers combination of LAN and WAN connectivity on top of unmatched security to reduce costs and extend investment protection.
• Enables the deployment of consolidated security and routing device, thereby lowering operational and capital expenditures.
• Improves security posture in a cost-effective manner by leveraging existing customer network infrastructure components and best-in-class technology.
• Enables management access from any location, eliminating on-site visits thereby improving response time and reducing operational costs.
• Provides a scalable VPN solution for mesh architectures with support for latency-sensitive applications such as VoIP and video conferencing.
• Transforms the network infrastructure to ensure that it is secure, flexible, scalable and reliable.
• AC power supply
• Network Equipment Building Systems (NEBS) compliance
• 1 GB DRAM
• 6 interface expansion slots support optional T1, E1, Serial, DS3, 10/100/1000, 10/100 and SFP connectivity.
• ScreenOS 6.2
• 1+ Gbps large packet firewall performance
• 1 Gbps IMIX
• 600,000 PPS (64 byte)
• AES256+SHA-1 VPN performance 500 Mbps
• 3DES+SHA-1 VPN performance 500 Mbps
• 256,000 max concurrent sessions
• 4x10/100/1000
• 6 (4 ePIM/uPIM/PIM + 2 uPIM/PIM)
• 10/100, 10/100/1000, and SFP
• POP3, HTTP, SMTP, IMAP, FTP, IM
• 17.5 x 3.5 x 21.5 in (44.5 x 8.9 x 54.6 cm)
• Operating/Storage temp32° to 122° F (0° to 50° C)/ -4° to 158° F (-20° to 70° C)
• Relative humidity 10% to 90% noncondensing
• 25.0 lb (no interface modules + one power supply) 11.34 kg