qubenix: > 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! >
After testing this, 'sys-net' still shows up on my router interface. -- 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/e43a76ea-eba3-9aba-f127-eec495a7fcee%40riseup.net. For more options, visit https://groups.google.com/d/optout.
