Messages in this thread | | | Date | Fri, 11 Feb 2000 22:30:12 +0100 | From | Pavel Machek <> | Subject | Re: Capabilities |
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Hi!
> > | If you can bind to low numbered ports, you can fake credentials for > > | rsh or rlogin. From there, you can get to root on many machines **************************************************************************
> > I can do that from a Windows PC, if necessary spoofing packets from a > > legitimate host. So? > > > > Anyone who doesn't disable or severely restrict the r-commands is begging > > for trouble: *they* are the security holes here, not CNBS. > > I wish people would keep repeating that argument. There are plenty of > environments where the r-utilities are perfectly safe, such as between > hosts in a machine room, where the room has a lock, a burglar alarm, > and random people can't just plug PCs into the network.
Ok, but in many other environments r* utilites are not okay, and as a nice consequence being able to bind low port is not automaticaly equivalent to root compromise. Pavel -- I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care." Panos Katsaloulis describing me w.r.t. patents me at discuss@linmodems.org
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