STOCKHOLM--(BUSINESS WIRE)--W30 firewalls deliver unmatched performance and enhanced security features, giving exceptional value and port flexibility for branch office and data centre deployments Clavister (STO:CLAV) has announced the launch of its latest entry level next-generation security gateway, the W30, bringing unmatched price/performance capability, performance and port flexibility to branch offices and small sized data centres. The Clavister W30 delivers firewall performance of up to 8