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    SubjectRe: Sysctl syscall
    Andi Kleen wrote:
    > Hasso Tepper <> writes:
    > > 2.4 and 2.6 kernels and would work with capabilities
    > > (sys/capability.h)? Accessing `/proc/sys' directly isn't such
    > > alternative as it doesn't work with capabilities.
    > What do you mean with "/proc/sys doesn't work with capabilities"?

    I have process which drops root privileges after startup and retains only
    some privileges using CAP_NET_ADMIN and CAP_SYS_ADMIN capabilities.
    I can change values in /proc/sys/net/ipv[46]/* (like turning forwarding
    on/off) from this process using sysctl syscall, but I can't write
    directly into /proc/sys/net/ipv[46]/* from it.


    Hasso Tepper
    Elion Enterprises Ltd. [AS3249]
    Data Communication Network Administrator
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