If squid can find usefully unique patterns in encrypted traffic I suppose that might work. But that's one heck of a big "if". {o.o} Joanne On 2016-03-05 02:15, Karel Lang AFD wrote: > Hmm ... yes, yes. > Thanks for bringing this up. > I force all http traffic through the squid proxy on our SL 6 gateway, this could > be also helpful.. > > > > On 03/05/2016 11:00 AM, [log in to unmask] wrote: >> The only way I can think of is to force all internet access through a proxy >> and filter it out in the proxy. >> Then you don't give the machines any internet access just access to the proxy. >> Unfortunately I do not have details for you on how to filter the snoop >> messages because in I haven't looked at them but it should be fairly easy >> using squid and an external Perl regex filter script or other filter >> application, but you will take a latency hit because you will have to inspect >> every transaction. >> >> Original Message >> From: jdow >> Sent: Friday, March 4, 2016 23:35 >> To: [log in to unmask] >> Subject: Re: snooping windows 10 - how to stop it on a linux gateway? >> >> That windows update server is a relay for the "snoop" messages. About the only >> way to totally stop the snoop messages is to totally isolate the network >> containing Windows machines from the network. Any windows machine can serve as a >> relay point for any others. >> >> {o.o} >> >> On 2016-03-04 20:16, Karel Lang AFD wrote: >>> Hi guys, >>> >>> firstly, sorry Todd, i don't know how it happened i got attached to your thread. >>> >>> secondly, thank you all for your thoughtful posts. >>> >>> I know it is not easy to block the selected traffic from windows 10 and you are >>> right, it is being backported to windows 7 as well. Horrible and disgusting. >>> >>> I already have windows server in LAN dedicated as a update server (work of my >>> windows colleagues), so the PC don't have to access windows update servers >>> outside LAN - this should simplify things. >>> >>> Also the PCs must have internet access to email, http, https, ftp, sftp - simply >>> the 'usual' stuff. >>> I think, yet, there should be a way. I'll try to consult mikrotik experts (the >>> router brand we use) and guys from our ISP. >>> If i have something, i'll let you know :-) >>> >>> thank you, bb >>> >>> Karel >>> >>> On 03/05/2016 12:40 AM, Steven Haigh wrote: >>>> On 05/03/16 07:24, Karel Lang AFD wrote: >>>>> Hi all, >>>>> >>>>> guys, i think everyone heard already about how windows 10 badly treat >>>>> its users privacy. >>>> >>>> My solution to this was to finally rid Windows 7 off my desktop PC - as >>>> most of the telemetry has also been 'back ported' to Windows 7 also. You >>>> can't stop it. >>>> >>>>> I'm now thinking about a way howto stop a windows 10 sending these data >>>>> mining results to a microsoft telemetry servers and filter it on our SL >>>>> 6 linux gateway. >>>> >>>> Nope. There are no specific servers in use - just general - so whatever >>>> you block will end up killing other services. >>>> >>>>> I think it could be (maybe?) done via DPI (deep packet inspection). I >>>>> similarly filter torrent streams on our gateway - i patched standard SL >>>>> 6 kernel with 'xtables' (iptables enhancement) and it is working >>>>> extremely well. >>>> >>>> I would be interested to see if you could identify telemetry packets in >>>> the flow - but I'm not predicting much success. If you do get it, make >>>> sure you let the world know though! >>>> >>>>> I read (not sure if true) that some DNS resolutions to M$ servers are >>>>> even 'hardwired' via some .dll library, so it makes it even harder. >>>> >>>> Correct. >>>> >>>>> I'm no windows expert, but i'm and unix administrator concerned about >>>>> privacy of windows desktop/laptop users sitting inside my LAN. >>>>> >>>>> What i'd like to come up is some more general iptables rules, than >>>>> blocking specific IP addresses or names, because, apparently they may >>>>> change in any incoming windows update ... >>>>> >>>>> Anyone gave this thought already? Anyone else's concerned the way i am? >>>> >>>> Yup - and as I said, I'm now running Fedora 23 on my desktop (EL lags on >>>> a few things that I like - so Fedora is a happy medium for me - as I >>>> still have the fedora-updates-testing repo enabled. My work laptop as >>>> well as my personal laptop - and now my home desktop all run Fedora 23 >>>> (KDE Spin if you hate Gnome 3 - like me). >>>> >>> >> >