Apologies, was Re: service version disclosure

2012-01-09 Thread Przemek Klosowski
On 01/09/2012 12:03 PM, Ed Marshall wrote: No, I most certainly did not write the quoted statement. Sorry, you are right, you responded to that statement made by others. I apologize. -- devel mailing list devel@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/devel

Re: service version disclosure

2012-01-09 Thread yersinia
On Mon, Jan 9, 2012 at 5:03 PM, Przemek Klosowski < przemek.klosow...@nist.gov> wrote: > On 01/09/2012 09:08 AM, Matthew Garrett wrote: > >> On Mon, Jan 09, 2012 at 02:42:10AM +0100, Reindl Harald wrote: >> >> no, maybe you should read AND try to understand >>> >> >> This kind of behaviour isn't

Re: service version disclosure

2012-01-09 Thread Matthew Garrett
On Mon, Jan 09, 2012 at 11:03:43AM -0500, Przemek Klosowski wrote: > On 01/09/2012 09:08 AM, Matthew Garrett wrote: > >On Mon, Jan 09, 2012 at 02:42:10AM +0100, Reindl Harald wrote: > > > >>no, maybe you should read AND try to understand > > > >This kind of behaviour isn't acceptable within the pro

Re: service version disclosure

2012-01-09 Thread Ed Marshall
No, I most certainly did not write the quoted statement. (My contribution has solely been suggesting that they get upstream on board; or, failing that, find a convincing argument for the Fedora package maintainer to diverge from upstream.) -- Ed Marshall http://esm.logic.net/ On Jan 9, 2012,

Re: service version disclosure

2012-01-09 Thread Przemek Klosowski
On 01/09/2012 09:08 AM, Matthew Garrett wrote: On Mon, Jan 09, 2012 at 02:42:10AM +0100, Reindl Harald wrote: no, maybe you should read AND try to understand This kind of behaviour isn't acceptable within the project. Treat your fellow community members with respect. You're expected to follow

Re: service version disclosure

2012-01-09 Thread Matthew Garrett
On Mon, Jan 09, 2012 at 02:42:10AM +0100, Reindl Harald wrote: > no, maybe you should read AND try to understand This kind of behaviour isn't acceptable within the project. Treat your fellow community members with respect. You're expected to follow the Fedora Code of Conduct (http://fedoraproj

Re: service version disclosure

2012-01-09 Thread drago01
On Mon, Jan 9, 2012 at 9:07 AM, Reindl Harald wrote: > > > Am 09.01.2012 07:27, schrieb Ed Marshall: >> On Sun, Jan 8, 2012 at 5:42 PM, Reindl Harald wrote: >>> if a software-package, information, disclosure is NOT NEEDED it has >>> to be disabled - again: take some security education! >> >> And,

Re: service version disclosure

2012-01-09 Thread Reindl Harald
Am 09.01.2012 07:27, schrieb Ed Marshall: > On Sun, Jan 8, 2012 at 5:42 PM, Reindl Harald wrote: >> if a software-package, information, disclosure is NOT NEEDED it has >> to be disabled - again: take some security education! > > And, there we go. > > Convince upstream to change their behavior

Re: service version disclosure

2012-01-08 Thread Ed Marshall
On Sun, Jan 8, 2012 at 5:42 PM, Reindl Harald wrote: > if a software-package, information, disclosure is NOT NEEDED it has > to be disabled - again: take some security education! And, there we go. Convince upstream to change their behavior (but, read their FAQ on this exact question first, and t

Re: service version disclosure

2012-01-08 Thread Reindl Harald
Am 09.01.2012 02:36, schrieb Nathanael Noblet: > On 01/08/2012 04:24 PM, Reindl Harald wrote: >> and you think that some random examples prove anything? >> some webserver logs are showing nothing about real exploits >> >> there was and there will be exploits you will never see >> in your webserve

Re: service version disclosure

2012-01-08 Thread Nathanael Noblet
On 01/08/2012 04:24 PM, Reindl Harald wrote: and you think that some random examples prove anything? some webserver logs are showing nothing about real exploits there was and there will be exploits you will never see in your webserver-log because if they worked CODE was executed in the context o

Re: service version disclosure

2012-01-08 Thread Reindl Harald
Am 08.01.2012 23:16, schrieb Nathanael Noblet: > So from my logs. Not a probe first, just plain trying to get data using a > hopeful exploit. They don't care what > version of anything I'm running. > > I realize it looks like they got the files they wanted, but in reality it > ignored the requ

Re: service version disclosure

2012-01-08 Thread Nathanael Noblet
On 01/08/2012 01:46 PM, Reindl Harald wrote: Am 08.01.2012 21:06, schrieb Ian Pilcher: On 01/06/2012 11:31 PM, Reindl Harald wrote: yes, i know it is security by obscurity but does it hurt? Yes, it hurts. It hurts every time we make life a little more difficult to satisfy someone's misguid

Re: service version disclosure

2012-01-08 Thread Reindl Harald
Am 08.01.2012 21:06, schrieb Ian Pilcher: > On 01/06/2012 11:31 PM, Reindl Harald wrote: >> yes, i know it is security by obscurity >> but does it hurt? > > Yes, it hurts. > > It hurts every time we make life a little more difficult to satisfy > someone's misguided idea of "securitee". I refer

Re: service version disclosure

2012-01-08 Thread Ian Pilcher
On 01/06/2012 11:31 PM, Reindl Harald wrote: > yes, i know it is security by obscurity > but does it hurt? Yes, it hurts. It hurts every time we make life a little more difficult to satisfy someone's misguided idea of "securitee". I refer you to the Transportation Security Administration if you

Re: service version disclosure

2012-01-07 Thread Miloslav Trmač
On Sat, Jan 7, 2012 at 5:24 AM, Bruno Wolff III wrote: > On Sat, Jan 07, 2012 at 05:09:42 +0100, >  Reindl Harald wrote: >> >> however - why do we spit the current running versions to everyone? > > It can help when trouble shooting problems. The current version isn't > really that helpful to atta

Re: service version disclosure

2012-01-07 Thread Reindl Harald
Am 07.01.2012 16:02, schrieb Kevin Kofler: > Reindl Harald wrote: >> but i also know that from "SSH-2.0-OpenSSH_5.8" only "SSH-2.0" >> is relevant for clients > > "SSH-2.0" brings no information at all. ANY even remotely current SSH server > will report "SSH-2.0". That doesn't tell you anything

Re: service version disclosure

2012-01-07 Thread Bruno Wolff III
On Sat, Jan 07, 2012 at 15:55:34 +0100, Reindl Harald wrote: > > i, and only i am responsible for the machines so why > do i not have a option only "SSH-2.0-OpenSSH" provide > to a anonymous client? You do have that option. That's the nice thing about free software. You can rebuild the rpm wit

Re: service version disclosure

2012-01-07 Thread Kevin Kofler
Reindl Harald wrote: > but i also know that from "SSH-2.0-OpenSSH_5.8" only "SSH-2.0" > is relevant for clients "SSH-2.0" brings no information at all. ANY even remotely current SSH server will report "SSH-2.0". That doesn't tell you anything about implementation- specific behavior an SSH client

Re: service version disclosure

2012-01-07 Thread Reindl Harald
Am 07.01.2012 15:44, schrieb Sam Varshavchik: >> no, one keys of security is to provide as less informations as >> absolutely necessary, not only for sshd, for every single >> service >> >> in the best case no single foreign person has an idea >> what software you are currently running, not what

Re: service version disclosure

2012-01-07 Thread Reindl Harald
Am 07.01.2012 15:40, schrieb Kevin Kofler: > Reindl Harald wrote: >> if you have a big customer which hires a 3rd party auditor >> you are NOT in the poisiton to give such arguments or >> you can give them but you can not change ANYTHING in >> the fact that finally "fix it or shutdown the service

Re: service version disclosure

2012-01-07 Thread Sam Varshavchik
Reindl Harald writes: Am 07.01.2012 08:02, schrieb Digimer: >> i know about the pros and cons for obscurity >> >> but i also know that from "SSH-2.0-OpenSSH_5.8" only "SSH-2.0" >> is relevant for clients and having backports in mind this must >> be the truth because if the whole version would

Re: service version disclosure

2012-01-07 Thread Sam Varshavchik
Reindl Harald writes: Am 07.01.2012 06:35, schrieb Digimer: >> if you have a big customer which hires a 3rd party auditor >> you are NOT in the poisiton to give such arguments or >> you can give them but you can not change ANYTHING in >> the fact that finally "fix it or shutdown the service" >>

Re: service version disclosure

2012-01-07 Thread Kevin Kofler
Reindl Harald wrote: > if you have a big customer which hires a 3rd party auditor > you are NOT in the poisiton to give such arguments or > you can give them but you can not change ANYTHING in > the fact that finally "fix it or shutdown the service" > is what you have to do They need to fire the a

Re: service version disclosure

2012-01-07 Thread Paul Wouters
On Sat, 7 Jan 2012, Reindl Harald wrote: would it not be a good idea to NOT disclosure service versions? https://bugzilla.redhat.com/show_bug.cgi?id=718133 you will more and more have the "problem" of 3rd party security scans to your servers and currently in the case of openssh the only solutio

Re: service version disclosure

2012-01-06 Thread Emmanuel Seyman
* Reindl Harald [07/01/2012 08:37] : > > however - why do we spit the current running versions to everyone? In the case of openssh, it's to allow the client to work around known bugs in the server. In other cases, it's simply of case of not wanting to patch gratuitously packages. Emmanuel -- dev

Re: service version disclosure

2012-01-06 Thread Chris Adams
Once upon a time, Reindl Harald said: > no, one keys of security is to provide as less informations as > absolutely necessary, not only for sshd, for every single > service That's a key for a false sense of security. > in the best case no single foreign person has an idea > what software you are

Re: service version disclosure

2012-01-06 Thread Chris Adams
Once upon a time, Reindl Harald said: > but i also know that from "SSH-2.0-OpenSSH_5.8" only "SSH-2.0" > is relevant for clients That's not actually true for SSH. The additional bits can be used to work around known problems with specific versions. -- Chris Adams Systems and Network Administr

Re: service version disclosure

2012-01-06 Thread Chris Adams
Once upon a time, Reindl Harald said: > Am 07.01.2012 06:35, schrieb Digimer: > > If you have a "security expert" who can't grasp the concept of > > back-ported bug fixes, and is unwilling to test for specific > > vulnerabilities' existence, it's time to get a new expert. > > you are missing the

Re: service version disclosure

2012-01-06 Thread Reindl Harald
Am 07.01.2012 08:02, schrieb Digimer: >> i know about the pros and cons for obscurity >> >> but i also know that from "SSH-2.0-OpenSSH_5.8" only "SSH-2.0" >> is relevant for clients and having backports in mind this must >> be the truth because if the whole version would matter all >> LTS distrib

Re: service version disclosure

2012-01-06 Thread Digimer
On 01/07/2012 01:59 AM, Reindl Harald wrote: > > > Am 07.01.2012 07:52, schrieb Digimer: >> On 01/07/2012 01:02 AM, Reindl Harald wrote: >>> Am 07.01.2012 06:35, schrieb Digimer: > if you have a big customer which hires a 3rd party auditor > you are NOT in the poisiton to give such argume

Re: service version disclosure

2012-01-06 Thread Reindl Harald
Am 07.01.2012 07:52, schrieb Digimer: > On 01/07/2012 01:02 AM, Reindl Harald wrote: >> Am 07.01.2012 06:35, schrieb Digimer: if you have a big customer which hires a 3rd party auditor you are NOT in the poisiton to give such arguments or you can give them but you can not change AN

Re: service version disclosure

2012-01-06 Thread Digimer
On 01/07/2012 01:02 AM, Reindl Harald wrote: > Am 07.01.2012 06:35, schrieb Digimer: >>> if you have a big customer which hires a 3rd party auditor >>> you are NOT in the poisiton to give such arguments or >>> you can give them but you can not change ANYTHING in >>> the fact that finally "fix it or

Re: service version disclosure

2012-01-06 Thread Ed Marshall
On Fri, Jan 6, 2012 at 10:02 PM, Reindl Harald wrote: > you are missing the point A BIG CUSTOMER has a security-expert And you, as a trusted vendor, have an opportunity to educate your customer about their security expert, and about how the Fedora project works. Fedora's stance is consistent wit

Re: service version disclosure

2012-01-06 Thread Stephen John Smoogen
On 6 January 2012 22:31, Reindl Harald wrote: > > Am 07.01.2012 06:13, schrieb Stephen John Smoogen: >> On 6 January 2012 21:46, Kevin Kofler wrote: >>> Reindl Harald wrote: would it not be a good idea to NOT disclosure service versions? https://bugzilla.redhat.com/show_bug.cgi?id=71813

Re: service version disclosure

2012-01-06 Thread Reindl Harald
Am 07.01.2012 06:35, schrieb Digimer: >> if you have a big customer which hires a 3rd party auditor >> you are NOT in the poisiton to give such arguments or >> you can give them but you can not change ANYTHING in >> the fact that finally "fix it or shutdown the service" >> is what you have to do >

Re: service version disclosure

2012-01-06 Thread Digimer
On 01/07/2012 12:31 AM, Reindl Harald wrote: > > Am 07.01.2012 06:13, schrieb Stephen John Smoogen: >> On 6 January 2012 21:46, Kevin Kofler wrote: >>> Reindl Harald wrote: would it not be a good idea to NOT disclosure service versions? https://bugzilla.redhat.com/show_bug.cgi?id=718133

Re: service version disclosure

2012-01-06 Thread Reindl Harald
Am 07.01.2012 06:13, schrieb Stephen John Smoogen: > On 6 January 2012 21:46, Kevin Kofler wrote: >> Reindl Harald wrote: >>> would it not be a good idea to NOT disclosure service versions? >>> https://bugzilla.redhat.com/show_bug.cgi?id=718133 >>> >>> you will more and more have the "problem" of

Re: service version disclosure

2012-01-06 Thread Stephen John Smoogen
On 6 January 2012 21:46, Kevin Kofler wrote: > Reindl Harald wrote: >> would it not be a good idea to NOT disclosure service versions? >> https://bugzilla.redhat.com/show_bug.cgi?id=718133 >> >> you will more and more have the "problem" of 3rd party >> security scans to your servers and currently

Re: service version disclosure

2012-01-06 Thread Digimer
On 01/06/2012 11:09 PM, Reindl Harald wrote: > would it not be a good idea to NOT disclosure service versions? > https://bugzilla.redhat.com/show_bug.cgi?id=718133 > > you will more and more have the "problem" of 3rd party > security scans to your servers and currently in the case > of openssh the

Re: service version disclosure

2012-01-06 Thread Kevin Kofler
Reindl Harald wrote: > would it not be a good idea to NOT disclosure service versions? > https://bugzilla.redhat.com/show_bug.cgi?id=718133 > > you will more and more have the "problem" of 3rd party > security scans to your servers and currently in the case > of openssh the only solution is to tka

Re: service version disclosure

2012-01-06 Thread Bruno Wolff III
On Sat, Jan 07, 2012 at 05:09:42 +0100, Reindl Harald wrote: > > however - why do we spit the current running versions to everyone? It can help when trouble shooting problems. The current version isn't really that helpful to attackers anyway. It's about as easy to just to try an exploit as it

service version disclosure

2012-01-06 Thread Reindl Harald
would it not be a good idea to NOT disclosure service versions? https://bugzilla.redhat.com/show_bug.cgi?id=718133 you will more and more have the "problem" of 3rd party security scans to your servers and currently in the case of openssh the only solution is to tkae the F16-src-rpm and rebuild it