Junos OS for SRX Series Services Gateways integrates the world-class network security and routing capabilities of Juniper Networks. Junos OS includes a wide range of packet-based filtering class-of-service (CoS) classifiers and traffic-shaping features as well as a rich extensive set of flow-based security features including policies screens network address translation (NAT) and other flow-based services. Traffic that enters and exits services gateway is processed according to features you configure such as packet filters security policies and screens. For example the software can determine: • Whether the packet is allowed into the device • Which firewall screens to apply to the packet • The route the packet takes to reach its destination • Which CoS to apply to the packet if any • Whether to apply NAT to translate the packet’s IP address • Whether the packet requires an Application Layer Gateway (ALG)

The Juniper Networks Secure Access Service enable you to give employees partners and customers secure and controlled access to your corporate data and applications including file servers Web servers native messaging and e-mail clients hosted servers and more from outside your trusted network using just a Web browser. Secure Access Service provide robust security by intermediating the data that flows between external users and your company’s internal resources. Users gain authenticated access to authorized resources through an extranet session hosted by the appliance. During intermediation Secure Access Service receives secure requests from the external authenticated users and then makes requests to the internal resources on behalf of those users. By intermediating content in this way Secure Access Service eliminates the need to deploy extranet toolkits in a traditional DMZ or provision a remote access VPN for employees. To access the intuitive Secure Access Service home page your employees partners and customers need only a Web browser that supports SSL and an Internet connection. This page provides the window from which your users can securely browse Web or file servers use HTML-enabled enterprise applications start the client/server application proxy begin a Windows Citrix or Telnet/SSH terminal session access corporate e-mail servers start a secured layer 3 tunnel or schedule or attend a secure online meeting.