Date: Mon, 9 Jun 2003 09:41:01 -0700 From: "Thomas Park" <tpark@drivespeed.com> To: "'Matthew D. Fuller'" <fullermd@over-yonder.net> Cc: freebsd-questions@FreeBSD.ORG Subject: RE: /dev/tty keeps changing permissions..? Message-ID: <001001c32ea5$e95bb990$11640a0a@titanium> In-Reply-To: <20030608231157.GI28798@over-yonder.net>
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> -----Original Message----- > From: Matthew D. Fuller [mailto:fullermd@over-yonder.net] > > On Sat, Jun 07, 2003 at 10:21:17PM -0700 I heard the voice of > Thomas Park, and lo! it spake thus: > > I've been having an interesting problem with my FreeBSD 5.0 > install - > > for whatever reason, the permissions and ownership on > /dev/tty keep on > > being automatically changed in such a way that it becomes > impossible for > > most users of the system to initiate outbound SSH sessions. > > If you're having a problem with ssh, /dev/tty permissions > have nothing to > do with it. It's something of a phantom device which always refers to > YOUR tty. YOUR tty will naturally be owned by you, and > either 620 or 600 > (depending on mesg(1)). Vis: > Interesting. I have access to several FreeBSD 4.6 STABLE boxes, and /dev/tty on each of them looks thusly: crw-rw-rw- 1 root wheel 1, 0 Jun 8 15:26 /dev/tty crw-rw-rw- 1 root wheel 1, 0 May 31 23:06 /dev/tty etc. - all owned by root:wheel and all mode 0666. The only system that has user level ownership / permissions is the BSD 5.0 box. > > So, something else would be causing your ssh permissions. > We'd need more > details to try and track that down. > I'm pretty sure the ssh problem is with /dev/tty - I've scoured quite a few message boards and newsgroups looking for a solution to the SSH problem. The symptom:a user who doesn't currently own /dev/tty attempts to open an outbound SSH session and gets a permission denied error with an error message along the lines of "Host key verification failed." SCP likewise doesn't work. The fix suggested on the various newsgroups was to chmod 666 /dev/tty - pretty much in line with the permissions that I have on the 4.6 boxen. If you could suggest other culprit locations to try looking in, I would very much appreciate it. thanks! thomas
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