On Tue, 12 Jun 2001, Jabie Gray wrote:
> My named is running as root too.
> I see two instances of the daemon function in the /etc/rc.d/init.d/named
> script. One is for start, the other is for hard restart.
> Do I need to change both of them to use -u & -g options?
Of course. Otherwise one of them will load as u/g named, while the other
as root.
> Do I need to create the user and group of named?
If they don't already exist, yes.
lines as follows:
/etc/passwd:
named:x:25:25:named nonpriviliged account:/etc/named:/bin/false
/etc/group:
named:x:25:
> Thanks,
> Jabie
> mailto:[EMAIL PROTECTED]
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Kevin D
> Sent: Monday, June 11, 2001 8:30 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [cobalt-security] profile of a bind worm
>
>
> From: "Robson Martins" <[EMAIL PROTECTED]>
>
> > Hey all, i have bind-8.2.3 running here, my question is, when i run it
> with
> > start it is the user named but if i restart, it gets the root username, is
> > it a problem? Can i receive a worm with this problem? Named need always
> run
> > as named? Restart is really affecting the username?
>
> How are you restarting? your /etc/rc.d/init.d/named script should have this
> in the start section:
>
> daemon named -u named -g named
>
> Which should start bind as user named if you do this:
>
> /etc/rc.d/init.d/named stop
> /etc/rc.d/init.d/named start
>
> Bind running as root is a problem, but less of a problem if you have ver
> 8.2.3. If a new bind vulnerability is discovered for ver 8.2.3, a hacker
> could easily gain root access to your box. What saved me from the worst
> effects of a bind worm was bind running as named instead of root.
>
> Kevin
>
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