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Re: [cobalt-security] How can they do this and how to stop it???
- Subject: Re: [cobalt-security] How can they do this and how to stop it???
- From: John Bailey <support@xxxxxxxxxxxxxxxxxxxxxx>
- Date: Sat, 8 Sep 2001 15:20:46 +0100 (BST)
- List-id: Mailing list for users to address network security on Cobalt products. <cobalt-security.list.cobalt.com>
> > Sep 7 17:17:08 ns sendmail[30573]: RAA30573: Authentication-Warning:
> > ns.xxxxxxxxxxxxxxxxxxx.com: colour set sender to sdjkfk@xxxxxxx using -f
>
> somebody did run sendmail with the switch "-f" with which you can specify
> another sender address than user@xxxxxxxxxxxxxxx This can be done in the
> shell, or from a script.
As a footnote to this, the file
'/etc/mail/sendmail.ct'
dictates which users are allowed to use the '-f' switch.
Regards,
John