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 h.rei...@thelounge.net 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

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

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 e...@logic.net http://esm.logic.net/

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 project. Treat

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

2012-01-08 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

2012-01-08 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 you to the

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

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 request

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

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 webserver-log

Re: service version disclosure

2012-01-08 Thread Ed Marshall
On Sun, Jan 8, 2012 at 5:42 PM, Reindl Harald h.rei...@thelounge.net 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

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 solution

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 auditor

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 is what you

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 matter all

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 is what

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 OS nor

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 may need

Re: service version disclosure

2012-01-07 Thread Bruno Wolff III
On Sat, Jan 07, 2012 at 15:55:34 +0100, Reindl Harald h.rei...@thelounge.net 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

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 about

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

Re: service version disclosure

2012-01-06 Thread Bruno Wolff III
On Sat, Jan 07, 2012 at 05:09:42 +0100, Reindl Harald h.rei...@thelounge.net 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

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 tkae the

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 only

Re: service version disclosure

2012-01-06 Thread Stephen John Smoogen
On 6 January 2012 21:46, Kevin Kofler kevin.kof...@chello.at 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

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 kevin.kof...@chello.at 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

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 kevin.kof...@chello.at wrote: Reindl Harald wrote: would it not be a good idea to NOT disclosure service versions?

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 If you

Re: service version disclosure

2012-01-06 Thread Stephen John Smoogen
On 6 January 2012 22:31, Reindl Harald h.rei...@thelounge.net wrote: Am 07.01.2012 06:13, schrieb Stephen John Smoogen: On 6 January 2012 21:46, Kevin Kofler kevin.kof...@chello.at wrote: Reindl Harald wrote: would it not be a good idea to NOT disclosure service versions?

Re: service version disclosure

2012-01-06 Thread Ed Marshall
On Fri, Jan 6, 2012 at 10:02 PM, Reindl Harald h.rei...@thelounge.net 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

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 shutdown the

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 ANYTHING in the

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 arguments or you can

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 distributions would be

Re: service version disclosure

2012-01-06 Thread Chris Adams
Once upon a time, Reindl Harald h.rei...@thelounge.net 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

Re: service version disclosure

2012-01-06 Thread Chris Adams
Once upon a time, Reindl Harald h.rei...@thelounge.net 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

Re: service version disclosure

2012-01-06 Thread Chris Adams
Once upon a time, Reindl Harald h.rei...@thelounge.net 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

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 --