How will cloud, virtualization and SDN complicate future firewall security?
Plus, the city uses the F5 Networks application firewall to look for attack traffic against Web servers. Agee says the city of Charlotte has centralized log management for these security devices with LogRhythm's security information and event management.
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'Corkscrew' light could turbocharge Internet
Internet traffic is growing exponentially and researchers have sought ways to squeeze ever more information into the fibre-optic cables that carry it. One successful method used over the last 20 years essentially added more traffic lanes, using …
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Avvo Reports 150 Percent Growth in Traffic and Record Participation in Its …
SEATTLE, June 27, 2013 /PRNewswire/ — Avvo, Inc., the web's largest legal Q&A forum, directory and legal marketplace (www.avvo.com), today announced it exceeded multiple records for user participation and site growth over the last year. At more than …
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Popular Questions
How will cloud computing complicate future firewall security?
Cloud environments distribute applications, data, and workloads across provider infrastructure, making traditional network boundaries less reliable. Firewalls must enforce policies across public, private, and hybrid cloud resources while adapting to changing addresses and services. Organizations should combine cloud-native firewall controls with centralized policy management, continuous monitoring, and identity-based access rules.
Why will virtualization make future firewall security more difficult?
Virtual machines can be created, moved, duplicated, or removed quickly, which can leave firewall rules outdated. Traffic between virtual workloads may also remain inside a host and bypass a perimeter firewall. Security teams should use virtual firewalls, microsegmentation, automated policy updates, and visibility into east-west traffic.
How will SDN complicate the future of firewall security?
Software-defined networking separates network control from forwarding and allows traffic paths to change through centralized software. A faulty rule, compromised controller, or poorly secured application programming interface could affect many firewall decisions at once. Organizations should protect SDN controllers with strong authentication, role-based access, change validation, and detailed audit logs.
What security approach can address the challenges that cloud, virtualization, and SDN create for firewalls?
Future firewall security will need to combine perimeter filtering with workload-aware, application-aware, and identity-based controls. Policies should follow users, devices, applications, and virtual workloads rather than depend solely on fixed network locations. Automated testing, threat detection, segmentation, and regular rule reviews can reduce the risk created by rapidly changing infrastructure.