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Seccomp

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seccomp

seccomp (short for secure computing mode) is a computer security facility in the Linux kernel. seccomp allows a process to make a one-way transition into a “secure” state where it cannot make any system calls except exit(), sigreturn(), read() and write() to already-open file descriptors. Should it attempt any other system calls, the kernel will terminate the process with SIGKILL or SIGSYS.[1][2] In this sense, it does not virtualize the system’s resources but isolates the process from them entirely.

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