Re: sysrq is ON by default [Re: Magic sys-rq key - how ?]

From: David Ford (david@kalifornia.com)
Date: Fri Apr 21 2000 - 16:04:06 EDT

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    Jeff Garzik wrote:

    > > So sysrq is active until some code (such as init script) disables it.
    >
    > I agree but the point is the air is not clear at all, and one cannot
    > assume that the magic sysrq key is enabled by default.

    It is clear. Our context is the kernel. What userland does is completely outside
    the scope of this. <snide remark> But then if RedHat turned it on by default then
    "It is on by default" </snide>

    ^-- :)

    > For higher security levels (for distros which have security levels
    > anyway), Magic SysRq, Ctrl-Alt-Del and similar things should be
    > disabled.

    I certainly agree that some functions of the magic key should be restricted. Sync
    is one I feel should always be allowed.

    -d

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