Re: group perms on /dev/pts/*

H. Peter Anvin (hpa@transmeta.com)
25 May 1999 08:30:15 GMT

Followup to: <Pine.LNX.4.10.9905171037310.16393-100000@brookie.inconnect.com>
By author: Dax Kelson <dkelson@inconnect.com>
In newsgroup: linux.dev.kernel
>
> > > Since 2.2.7 I've been seeing some wierd FOO with /dev/pts/*.
> > > I use screen, which requires +rwx permissions on /dev/pts/1,
> > > or which ever terminal it is currently on... however, the group
> > > permissions appear to now be set, by default, to _just_ +w.
> > > Yes, I am in group tty.... I can fix the problem by manually
> > > sudo chmod g+rwx /dev/pts/*
> > > but it's annoying... does anyone know if this is a bug? a
> > > feature? an automated workaround? Thanks in advance.
>
>
> Edit your /etc/fstab, change the mode to "640" instead of "620"..ie..
>
> none /dev/pts devpts gid=5,mode=640 0 0
>

Don't do that unless you want people to snoop on you. 620 are the
proper perms; if that doesn't work with screen, screen is broken.

-hpa

-- 
"The user's computer downloads the ActiveX code and simulates a 'Blue
Screen' crash, a generally benign event most users are familiar with
and that would not necessarily arouse suspicions."
-- Security exploit description on http://www.zks.net/p3/how.asp


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