Andrew David Wong: > On 2017-04-09 15:25, Joonas Lehtonen wrote: >> Hi, > >> if you setup MAC randomization via network manager in a debian 9 >> template as described here: >> https://www.qubes-os.org/doc/anonymizing-your-mac-address/ >> you still leak your hostname. > >> Once your MAC address is randomized you might also want to prevent the >> disclosure of your netvm's hostname to the network, since "sys-net" >> might be a unique hostname (that links all your random MAC addresses and >> the fact that you likely use qubes). > >> To prevent the hostname leak via DHCP option (12): >> - start the debian 9 template >> - open the file /etc/dhcpd/dhclient.conf >> - in line number 15 you should see "send host-name = gethostname();" >> - comment (add "#" at the beginning) or remove that line and store the file >> - reboot your netvm > >> I tested the change via inspecting dhcp requests and can confirm that >> the hostname is no longer included in dhcp requests. > > > Thanks. Added as a comment: > > https://github.com/QubesOS/qubes-issues/issues/938#issuecomment-292843628 > >
Nice. I was just thinking about this after spending some time on my routers interface. Thanks for the post! -- qubenix GPG: B536812904D455B491DCDCDD04BE1E61A3C2E500 -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/913fb528-2469-976e-4e2c-2c276864727c%40riseup.net. For more options, visit https://groups.google.com/d/optout.
