Re: NFS, password transparency, and security

2002-04-11 Thread Rob VanFleet
On Wed, Apr 10, 2002 at 12:21:13AM +0100, Gareth Bowker wrote: > On Tue, Apr 09, 2002 at 04:02:34PM -0500, Rob VanFleet wrote: > > On Tue, Apr 09, 2002 at 07:23:28AM -0700, Luca Filipozzi wrote: > > > > > > You run those service locally on each machine only. You don't make them > > > available to

Re: NFS, password transparency, and security

2002-04-11 Thread Rob VanFleet
On Wed, Apr 10, 2002 at 12:21:13AM +0100, Gareth Bowker wrote: > On Tue, Apr 09, 2002 at 04:02:34PM -0500, Rob VanFleet wrote: > > On Tue, Apr 09, 2002 at 07:23:28AM -0700, Luca Filipozzi wrote: > > > > > > You run those service locally on each machine only. You don't make them > > > available t

Re: NFS, password transparency, and security

2002-04-11 Thread Paul Hedderly
On Sun, Apr 07, 2002 at 09:02:56PM -0500, Rob VanFleet wrote: You have three issues: Shared Authentication... Kerberos or LDAP File Sharing Looked at GFS? Could also use NFS I guess. Sigh. Look at autofs Security!

Re: NFS, password transparency, and security

2002-04-11 Thread Paul Hedderly
On Sun, Apr 07, 2002 at 09:02:56PM -0500, Rob VanFleet wrote: You have three issues: Shared Authentication... Kerberos or LDAP File Sharing Looked at GFS? Could also use NFS I guess. Sigh. Look at autofs Security!

Re: NFS, password transparency, and security

2002-04-09 Thread Gareth Bowker
On Tue, Apr 09, 2002 at 04:02:34PM -0500, Rob VanFleet wrote: > On Tue, Apr 09, 2002 at 07:23:28AM -0700, Luca Filipozzi wrote: > > > > You run those service locally on each machine only. You don't make them > > available to other hosts. > > Sorry if I'm being completely dense here, but aren't t

Re: NFS, password transparency, and security

2002-04-09 Thread Rob VanFleet
On Tue, Apr 09, 2002 at 07:23:28AM -0700, Luca Filipozzi wrote: > On Tue, Apr 09, 2002 at 06:51:38AM -0500, Rob VanFleet wrote: > > After doing some reading about it, the only thing that turns me off to > > SFS is that you still have to run the usual NFS services for it to work. > > A large part of

Re: NFS, password transparency, and security

2002-04-09 Thread Gareth Bowker
On Tue, Apr 09, 2002 at 04:02:34PM -0500, Rob VanFleet wrote: > On Tue, Apr 09, 2002 at 07:23:28AM -0700, Luca Filipozzi wrote: > > > > You run those service locally on each machine only. You don't make them > > available to other hosts. > > Sorry if I'm being completely dense here, but aren't

Re: NFS, password transparency, and security

2002-04-09 Thread Rob VanFleet
On Tue, Apr 09, 2002 at 07:23:28AM -0700, Luca Filipozzi wrote: > On Tue, Apr 09, 2002 at 06:51:38AM -0500, Rob VanFleet wrote: > > After doing some reading about it, the only thing that turns me off to > > SFS is that you still have to run the usual NFS services for it to work. > > A large part o

Re: NFS, password transparency, and security

2002-04-09 Thread Luca Filipozzi
On Tue, Apr 09, 2002 at 06:51:38AM -0500, Rob VanFleet wrote: > After doing some reading about it, the only thing that turns me off to > SFS is that you still have to run the usual NFS services for it to work. > A large part of the reason I am seeking alternatives is that those > services are so of

Re: NFS, password transparency, and security

2002-04-09 Thread Luca Filipozzi
On Tue, Apr 09, 2002 at 06:51:38AM -0500, Rob VanFleet wrote: > After doing some reading about it, the only thing that turns me off to > SFS is that you still have to run the usual NFS services for it to work. > A large part of the reason I am seeking alternatives is that those > services are so o

Re: NFS, password transparency, and security

2002-04-09 Thread Rob VanFleet
On Tue, Apr 09, 2002 at 12:37:27PM +0200, Wichert Akkerman wrote: > Previously Alan Shutko wrote: > > An AFS-based setup is used at many places to great effect, especially > > on untrusted nets, but I don't know how bad setup is. I suspect it's > > evil. > > There is also SFS which works very nic

Re: NFS, password transparency, and security

2002-04-09 Thread Wichert Akkerman
Previously Alan Shutko wrote: > An AFS-based setup is used at many places to great effect, especially > on untrusted nets, but I don't know how bad setup is. I suspect it's > evil. There is also SFS which works very nicely indeed. Wichert. -- _

Re: NFS, password transparency, and security

2002-04-09 Thread Rob VanFleet
On Tue, Apr 09, 2002 at 12:37:27PM +0200, Wichert Akkerman wrote: > Previously Alan Shutko wrote: > > An AFS-based setup is used at many places to great effect, especially > > on untrusted nets, but I don't know how bad setup is. I suspect it's > > evil. > > There is also SFS which works very ni

Re: NFS, password transparency, and security

2002-04-09 Thread Wichert Akkerman
Previously Alan Shutko wrote: > An AFS-based setup is used at many places to great effect, especially > on untrusted nets, but I don't know how bad setup is. I suspect it's > evil. There is also SFS which works very nicely indeed. Wichert. --

Re: NFS, password transparency, and security

2002-04-08 Thread Sami Haahtinen
On Sun, Apr 07, 2002 at 10:36:17PM -0700, Luca Filipozzi wrote: > > this also allows crackers to access your userbase, unlike libpam-ldap, > > where you are not forced to allow userpassword read access to the > > database. The cracker just needs to hack this machine, read the password > > from conf

Re: NFS, password transparency, and security

2002-04-08 Thread Sami Haahtinen
On Sun, Apr 07, 2002 at 10:36:17PM -0700, Luca Filipozzi wrote: > > this also allows crackers to access your userbase, unlike libpam-ldap, > > where you are not forced to allow userpassword read access to the > > database. The cracker just needs to hack this machine, read the password > > from con

Re: NFS, password transparency, and security

2002-04-08 Thread Tarjei Huse
Hi, Just thought I'd chip inn some support for LDAP. Also a kerberos pointer: www.bayour.com has a very good ldap+kerberos howto for debian written by Turbo Fredrikson. Also you should check out directory administrator for admining your directory. A simple ldap client for administrating ldap user

Re: NFS, password transparency, and security

2002-04-08 Thread Luca Filipozzi
On Mon, Apr 08, 2002 at 08:23:17AM +0300, Sami Haahtinen wrote: > On Sun, Apr 07, 2002 at 08:14:26PM -0700, Luca Filipozzi wrote: > > Two choices (I like lists :) ): > > > > (1) use libpam-ldap: > > i recommend this. I also recommend this. > > (2) don't use libpam-ldap: > > You don't have t

Re: NFS, password transparency, and security

2002-04-08 Thread Sami Haahtinen
On Sun, Apr 07, 2002 at 08:14:26PM -0700, Luca Filipozzi wrote: > Two choices (I like lists :) ): > > (1) use libpam-ldap: i recommend this. Even though the current pam system is a pain to modify.. if you modify one file and it gets updated in the package it will nag about it.. you can't tell if

Re: NFS, password transparency, and security

2002-04-08 Thread Luca Filipozzi
On Sun, Apr 07, 2002 at 09:22:12PM -0700, tony mancill wrote: > What if you use FreeS/WAN (or really, any sort of IPsec)? It can be set > up in a mode that's called "opportunistic encryption" that will use IPsec > for communication when it's available and allow other traffic to proceed > as normal

Re: NFS, password transparency, and security

2002-04-07 Thread Tarjei Huse
Hi, Just thought I'd chip inn some support for LDAP. Also a kerberos pointer: www.bayour.com has a very good ldap+kerberos howto for debian written by Turbo Fredrikson. Also you should check out directory administrator for admining your directory. A simple ldap client for administrating ldap use

Re: NFS, password transparency, and security

2002-04-07 Thread tony mancill
On Sun, 7 Apr 2002, Luca Filipozzi wrote: > I suspect that if all your boxes are running Debian that your life will > be made easier by all the Debian kerberos packages. This is an interesting thread, and this comment just gave me an idea. What if you use FreeS/WAN (or really, any sort of IPsec)?

Re: NFS, password transparency, and security

2002-04-07 Thread Luca Filipozzi
On Mon, Apr 08, 2002 at 08:23:17AM +0300, Sami Haahtinen wrote: > On Sun, Apr 07, 2002 at 08:14:26PM -0700, Luca Filipozzi wrote: > > Two choices (I like lists :) ): > > > > (1) use libpam-ldap: > > i recommend this. I also recommend this. > > (2) don't use libpam-ldap: > > You don't have

Re: NFS, password transparency, and security

2002-04-07 Thread Luca Filipozzi
On Sun, Apr 07, 2002 at 10:04:01PM -0500, Rob VanFleet wrote: > On Sun, Apr 07, 2002 at 07:39:43PM -0700, Luca Filipozzi wrote: > > Two choices for authentication (passwd + shadow): > > (1) Kerberos > > Never used it. Can't advise you. > > I've looked at Kerberos, but at least a cursory glance

Re: NFS, password transparency, and security

2002-04-07 Thread Sami Haahtinen
On Sun, Apr 07, 2002 at 08:14:26PM -0700, Luca Filipozzi wrote: > Two choices (I like lists :) ): > > (1) use libpam-ldap: i recommend this. Even though the current pam system is a pain to modify.. if you modify one file and it gets updated in the package it will nag about it.. you can't tell if

Re: NFS, password transparency, and security

2002-04-07 Thread Rob VanFleet
On Sun, Apr 07, 2002 at 07:39:43PM -0700, Luca Filipozzi wrote: > Two choices for authentication (passwd + shadow): > (1) Kerberos > Never used it. Can't advise you. I've looked at Kerberos, but at least a cursory glance at leaves the impressions that it is ridiculously complicated to set up a

Re: NFS, password transparency, and security

2002-04-07 Thread Alvin Oga
hi ya why not do the following ??? make one machine be your primary NIS server... - all passwds defined there... all other machines uses the NIS server for passwd authentication and turn on ssh logins ( ~/.shosts ) w/o checking passwd use automounter for /n//directories

Re: NFS, password transparency, and security

2002-04-07 Thread Alan Shutko
Rob VanFleet <[EMAIL PROTECTED]> writes: > They basically want to log into any one machine within this group > with the same password, and be able to access any disks they choose > from any pariticular machine (within this group). An AFS-based setup is used at many places to great effect, especia

Re: NFS, password transparency, and security

2002-04-07 Thread Luca Filipozzi
On Sun, Apr 07, 2002 at 09:22:12PM -0700, tony mancill wrote: > What if you use FreeS/WAN (or really, any sort of IPsec)? It can be set > up in a mode that's called "opportunistic encryption" that will use IPsec > for communication when it's available and allow other traffic to proceed > as norma

Re: NFS, password transparency, and security

2002-04-07 Thread Luca Filipozzi
On Sun, Apr 07, 2002 at 09:02:56PM -0500, Rob VanFleet wrote: > I work for several University astronomers who basically want something > like what they're used to at other places: a pure sun shop, running > NIS and NFS. Two choices for authentication (passwd + shadow): (1) Kerberos Never used

NFS, password transparency, and security

2002-04-07 Thread Rob VanFleet
I have a situation where my superiors are leaning heavily on me to make life more convenient for them by having total availability of data from a group of machines. They basically want to log into any one machine within this group with the same password, and be able to access any disks they choose

Re: NFS, password transparency, and security

2002-04-07 Thread tony mancill
On Sun, 7 Apr 2002, Luca Filipozzi wrote: > I suspect that if all your boxes are running Debian that your life will > be made easier by all the Debian kerberos packages. This is an interesting thread, and this comment just gave me an idea. What if you use FreeS/WAN (or really, any sort of IPsec)

Re: NFS, password transparency, and security

2002-04-07 Thread Luca Filipozzi
On Sun, Apr 07, 2002 at 10:04:01PM -0500, Rob VanFleet wrote: > On Sun, Apr 07, 2002 at 07:39:43PM -0700, Luca Filipozzi wrote: > > Two choices for authentication (passwd + shadow): > > (1) Kerberos > > Never used it. Can't advise you. > > I've looked at Kerberos, but at least a cursory glanc

Re: NFS, password transparency, and security

2002-04-07 Thread Rob VanFleet
On Sun, Apr 07, 2002 at 07:39:43PM -0700, Luca Filipozzi wrote: > Two choices for authentication (passwd + shadow): > (1) Kerberos > Never used it. Can't advise you. I've looked at Kerberos, but at least a cursory glance at leaves the impressions that it is ridiculously complicated to set up

Re: NFS, password transparency, and security

2002-04-07 Thread Alvin Oga
hi ya why not do the following ??? make one machine be your primary NIS server... - all passwds defined there... all other machines uses the NIS server for passwd authentication and turn on ssh logins ( ~/.shosts ) w/o checking passwd use automounter for /n//directories

Re: NFS, password transparency, and security

2002-04-07 Thread Alan Shutko
Rob VanFleet <[EMAIL PROTECTED]> writes: > They basically want to log into any one machine within this group > with the same password, and be able to access any disks they choose > from any pariticular machine (within this group). An AFS-based setup is used at many places to great effect, especi

Re: NFS, password transparency, and security

2002-04-07 Thread Luca Filipozzi
On Sun, Apr 07, 2002 at 09:02:56PM -0500, Rob VanFleet wrote: > I work for several University astronomers who basically want something > like what they're used to at other places: a pure sun shop, running > NIS and NFS. Two choices for authentication (passwd + shadow): (1) Kerberos Never used

NFS, password transparency, and security

2002-04-07 Thread Rob VanFleet
I have a situation where my superiors are leaning heavily on me to make life more convenient for them by having total availability of data from a group of machines. They basically want to log into any one machine within this group with the same password, and be able to access any disks they choos