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Kernel Security Projects

Access Control


This is a rapidly developing area, see the following LWN article for an overview:



There are several separately maintained projects relating to network security, including:

  • Netfilter packet filtering
  • Labeled Networking, including NetLabel, CIPSO, Labeled IPsec and SECMARK, see Paul Moore's blog
  • NuFW authenticating firewall based on Netfilter


  • Labeled NFS, a project to add MAC labeling support to the NFSv4 protocol
  • dm-verity, a device mapper target for efficient, integrity-assured block devices


The cryptographic subsystem is maintained separately by Herbert Xu, refer to the mailing list.

Working Group

Self Protection