Re: Proposed Feature: Application Reputation system

2012-07-02 Thread Gervase Markham
On 30/06/12 18:01, secguard...@yandex.com wrote: ** This proxy would strip the last octet out of IP addresses for pings I'm not an expert here, but would that be sufficient for IPv6? We should certainly make sure we do enough for IPv6. Although if Google is using the IP address for

Re: Proposed Feature: Application Reputation system

2012-07-02 Thread Sid Stamm
On 6/30/12 10:01 AM, secguard...@yandex.com wrote: To clear things up completely: this is an addition to the existing SafeBrowsing feature in Firefox. This feature augments what the current one can detect, but will involve sending out URLs in pings. Based on Moheeb's reply (in this thread),

Re: Proposed Feature: Application Reputation system

2012-07-02 Thread Justin Dolske
On 6/29/12 5:06 PM, Sid Stamm wrote: Based on Moheeb's reply (in this thread), I think we should move ahead with implementing this for our windows users. It seems to me, and please chime in if I'm out of line here, that we should: 1. Stand up a proxy that handles both pings and list updates.

Re: Proposed Feature: Application Reputation system

2012-06-30 Thread secguardian
[snip] To clear things up completely: this is an addition to the existing SafeBrowsing feature in Firefox. This feature augments what the current one can detect, but will involve sending out URLs in pings. Based on Moheeb's reply (in this thread), I think we should move ahead with

Re: Proposed Feature: Application Reputation system

2012-06-29 Thread Sid Stamm
On 06/11/2012 02:09 PM, Justin Dolske wrote: On 6/11/12 3:11 AM, Henri Sivonen wrote: About potential user backlash: even though both Microsoft and Google have a feature like this in IE and Chrome, Mozilla who could still face a user backlash from doing this sort of thing in Firefox. If

Re: Proposed Feature: Application Reputation system

2012-06-29 Thread Devdatta Akhawe
Sound good? You didn't mention whether it would be opt-in or opt-out. thanks Dev -Sid ___ dev-security mailing list dev-security@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-security

Re: Proposed Feature: Application Reputation system

2012-06-29 Thread Sid Stamm
If we proxy the requests, I would recommend opt out (on by default). -Sid On Jun 29, 2012, at 17:31, Devdatta Akhawe dev.akh...@gmail.com wrote: Sound good? You didn't mention whether it would be opt-in or opt-out. thanks Dev -Sid

Re: Proposed Feature: Application Reputation system

2012-06-29 Thread Devdatta Akhawe
If we proxy the requests, I would recommend opt out (on by default). One concern is that proxying (might) break user's understanding/expectations. The user sees request to mozilla. ok but it is actually a proxy to Google. It boils down to whether chopping off the last octet is sufficient

Re: Proposed Feature: Application Reputation system

2012-06-29 Thread John Nagle
On 6/29/2012 5:44 PM, Devdatta Akhawe wrote: If we proxy the requests, I would recommend opt out (on by default). Why not try implementing this as an add-on and see if anybody uses it? John Nagle ___ dev-security

Re: Proposed Feature: Application Reputation system

2012-06-20 Thread Moheeb Abu Rajab
Hi Sid, Please find the answers inline. thanks Moheeb On Tue, Jun 19, 2012 at 3:03 PM, Sid Stamm s...@mozilla.com wrote: Thanks for the info, Moheeb! On 06/15/2012 11:35 AM, moh...@google.com wrote: Regarding the TLS bouncing idea. As the reputation system derives features in part from

Re: Proposed Feature: Application Reputation system

2012-06-19 Thread Sid Stamm
Thanks for the info, Moheeb! On 06/15/2012 11:35 AM, moh...@google.com wrote: Regarding the TLS bouncing idea. As the reputation system derives features in part from the submitted pings, it's important for us to be able to detect abusive reputation requests. The source IP is a very

Re: Proposed Feature: Application Reputation system

2012-06-13 Thread secguardian
Am 11.06.2012 22:45, schrieb Sid Stamm: On 06/11/2012 01:29 PM, Kevin Chadwick wrote: On Mon, 11 Jun 2012 08:57:35 -0700 Sid Stamm wrote: a) can be turned off Absolutely. There will be a preference, and if the feature results in direct connection to Google with the URL, hash and size, we

Re: Proposed Feature: Application Reputation system

2012-06-12 Thread Gervase Markham
On 11/06/12 21:56, Justin Dolske wrote: I'd note a slight concern from our own (Firefox) experience with similar things in antivirus software, where new releases of Firefox are sometimes blocked because whatever reputation scheme they're using is too specific to just the filename/contents. But

Re: Proposed Feature: Application Reputation system

2012-06-12 Thread Kevin Chadwick
On Mon, 11 Jun 2012 13:45:26 -0700 Sid Stamm wrote: Can you elaborate here? I'm interested to hear your thoughts. Leaving aside server/device security which may affect user security and also completely anonymised data matching to connection details or substitued user ids. An example being

Re: Proposed Feature: Application Reputation system

2012-06-11 Thread Gervase Markham
Hi Sid, On 08/06/12 23:02, Sid Stamm wrote: == System Attributes == * List Size: roughly 300 domains and 100 app signers in whitelist (small) Taking Google's whitelist daily and removing warnings for domains and signers on the whitelist seems like a fairly obvious win. It reduces warning

Re: Proposed Feature: Application Reputation system

2012-06-11 Thread david
Sid Stamm s...@mozilla.com wrote: On 06/09/2012 12:42 AM, da...@illsley.org wrote: Sid Stamm sst...@mozilla.com wrote: * List Size: roughly 300 domains and 100 app signers in whitelist (small) * Average Chrome users download about 2 binaries per day. * ~ 8% of files downloaded by users are

Re: Proposed Feature: Application Reputation system

2012-06-11 Thread Kevin Chadwick
On Mon, 11 Jun 2012 08:57:35 -0700 Sid Stamm wrote: One of my worries is that blacklists get big really fast and won't be as feasible on mobile devices (cost of updating the lists, downloading and storing them). Is this the browsers domain especially with heavy criticism of bloated browsers

Re: Proposed Feature: Application Reputation system

2012-06-11 Thread Sid Stamm
On 06/11/2012 01:29 PM, Kevin Chadwick wrote: On Mon, 11 Jun 2012 08:57:35 -0700 Sid Stamm wrote: One of my worries is that blacklists get big really fast and won't be as feasible on mobile devices (cost of updating the lists, downloading and storing them). Is this the browsers domain

Re: Proposed Feature: Application Reputation system

2012-06-11 Thread Justin Dolske
On 6/8/12 3:02 PM, Sid Stamm wrote: Everyone else: what do you think? Without thinking about it too hard, it generally seems like something worthy of looking at. I'd note a slight concern from our own (Firefox) experience with similar things in antivirus software, where new releases of

Re: Proposed Feature: Application Reputation system

2012-06-11 Thread Kevin Chadwick
Proper OS security against malware is the way to go but of course the average user is far off that at the moment. That will change. http://www.h-online.com/security/news/item/Anti-virus-software-out-of-its-league-with-Stuxnet-and-Flame-1604467.html ___

Re: Proposed Feature: Application Reputation system

2012-06-09 Thread david
Sid Stamm sst...@mozilla.com wrote: Since sending URLs is the main difference between this and the rest of Safe Browsing, we have to think about whether Firefox users will be willing to trade some of their download history for the protection offered by the system and a less in-your-face

Re: Proposed Feature: Application Reputation system

2012-06-09 Thread Kevin Chadwick
On Fri, 08 Jun 2012 15:02:27 -0700 Sid Stamm wrote: we have to think about whether Firefox users will be willing to trade some of their download history for the protection offered by the system and a less in-your-face download UI. I believe they will. I'm assuming there would be a disable

Re: Proposed Feature: Application Reputation system

2012-06-09 Thread Jean-Marc Desperrier
On 08/06/2012 18:02, Sid Stamm wrote: binary-file reputation system based on a whitelist of binaries and domains, and identifies benign executables as windows users attempt to download them. Benign executables can bypass any are you sure UI, making it less annoying to users. But also a lot

Proposed Feature: Application Reputation system

2012-06-08 Thread Sid Stamm
Hi All, I think we should implement a windows application reputation extension to Safe Browsing -- to help detect malicious binaries users download and for those we know are safe, stop prompting users. == Background == Last year, Google started experimenting[0] with an extension to Safe

Re: Proposed Feature: Application Reputation system

2012-06-08 Thread John Nagle
On 6/8/2012 3:02 PM, Sid Stamm wrote: Hi All, I think we should implement a windows application reputation extension to Safe Browsing -- to help detect malicious binaries users download and for those we know are safe, stop prompting users. == Background == Last year, Google started