FreeBSD reg is an advanced operating system for x86 compatible including Pentium reg and Athlon trade amd64 compatible including Opteron trade Athlon trade 64 and EM64T UltraSPARC reg IA 64 PC 98 and ARM architectures It is derived from BSD the version of UNIX reg developed at the University of California Berkeley It is developed and maintained by a large team of individuals Additional platforms are in various stages of development The FreeBSD developers are as concerned about security as they are about performance and stability FreeBSD includes kernel support for stateful IP firewalling as well as other services such as IP proxy gateways access control lists mandatory access control jail based virtual hosting and cryptographically protected storage These features can be used to support highly secure hosting of mutually untrusting customers or consumers the strong partitioning of network segments and the construction of secure pipelines for information scrubbing and information flow control

FreeBSD also includes support for encryption software secure shells Kerberos authentication quot virtual servers quot created using jails chroot ing services to restrict application access to the file system Secure RPC facilities and access lists for services that support TCP wrappers



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