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Implementing Sensible Network Segmentation

Packet Pushers Tech Bytes about Network Segmentation with Tufin A new week, a new Tech Bytes Packet Pushers podcast. This time Tufin markets their policy management, which was a interesting show, but i have some comments. i think it’s a valid point to say that automated firewall policy management can make a business more agile, especially considering how long the change process normally takes and how we do it today the whole point about understanding the topology sounds like this is really very slow to implement it’s hard to get any visibility from what i hear and how i understand the Tufin platform Zoning or very wide segmentation is nice, but what you really want is to be able to do finer grained segmentation without modifying or rearchitecting the network relying on hardware firewalls will never be able to free you from the constraints of those devices, especially throughput limits, the hardware cycle that will just happen every three or five years and the inability of a firewall to really be point to point and not zone to zone i would assume that the integration of this is very hard, thanks god it is usually owned by just one team, but what about outsourcers and system integrators?

Sage Data Security on why network segmentation is important

Nice article from Sage Data Security on why network segmentation is important.

Deploying Cisco ACI and VMware NSX

A podcast by packetpushers

One of my favourite networking podcasts, PacketPushers has a great episode on integrating Cisco ACI and VMware NSX at the same time. I really enjoyed listening to this episode, one reason for sure was that Derek Wilson seems to be a really nice and knowledgeable person, but the other is that he shared some valuable insights into deploying ACI and its uses for big companies. My key takeaways from the episode are:

NIST publishes a zerotrust architecture recommendation

The US NIST published a great guide on a zero trust architecture that definitely is worth reading and details the elements, deployment and deployment scenarios and reference to other material to help people get started with zero trust.

Ideas on Segmentation metrics (part three)

Please check out Part one and part two of this series Continuing our series about metrics for segmentation, there are a couple more angles how you can measure the effectiveness of your segmentation.