Re: Speaking of SysRQ...

jam@ans.net
Tue, 09 Jun 1998 19:01:48 -0400


Tuomas Heino wrote:
>
> On Tue, 9 Jun 1998 jam@ans.net wrote:
>
> > Tuomas Heino wrote:
> > >
> > > But is it secure? as in can you disable it while online / make activating
> > > it require some kinda authorization? ;)
> >
> > I might be stating something completely obvious here, but if we're
> > talking about "Magic SysReq", isn't "you have to have console access to
> > the machine" secure "enough"?
>
> well the keyboard and the monitor may still be "far" from the 'puter...
> and the 'puter may be in public use... so being able to block magic
> sysreq on a system without rebooting to a kernel without it would be cool...
> (block as in still have it behind some "top secret" run-time
> configurable thing... as in root-accessable /proc config thingy or something)
> [and for those few who think about control-alt-del: init can secure that one easily]

I wouldn't want *any* way to change this at run-time-- once someone has
'root' acceess to the machine, they can circumvent whatever they want.

what kind of environment are you describing?

Regards,
Jeff

-- 
Under US Code Title 47, Sec.227(b)(1)(C), Sec.227(a)(2)(B) This email
address may not be added to any commercial mail list with out my
permission.  Violation of my privacy with advertising or SPAM will
result in a suit for a MINIMUM of $500 damages/incident, $1500 for
repeats.

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu