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Fix formatting

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Andrew David Wong 2016-10-14 20:33:02 -07:00
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privacy/anonymizing-your-mac-address.md
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@ -19,20 +19,21 @@ Newer versions of Network Manager have a robust set of options for randomizing M
NM 1.4.2 is currently available from the Debian 9 (testing) repository, and has been tested in Qubes using a Debian template [upgraded to version 9.](https://www.qubes-os.org/doc/debian-template-upgrade-8/)
In the Debian 9 template you intend to use as a NetVM, check that Network Manager version is now at least 1.4.2:
```https://www.qubes-os.org/doc/anonymizing-your-mac-address/
~~~
$ sudo Network-Manager -V
1.4.2
```
~~~
Add the settings in /etc/NetworkManager/NetworkManager.conf. The following example enables Wifi MAC address randomization both while scanning (not connected) and while connected.
Add the settings in `/etc/NetworkManager/NetworkManager.conf`. The following example enables Wifi MAC address randomization both while scanning (not connected) and while connected.
```
~~~
[device-scan]
wifi.scan-rand-mac-address=yes
[connection]
wifi.cloned-mac-address=stable
```
~~~
To see the available configuration options, refer to the man page: `man nm-settings`
@ -47,19 +48,19 @@ You can check the MAC address currently in use by looking at the status pages of
First thing you need to do is install **macchanger** package by opening your `fedora-23` TemplateVM and typing
```
~~~
sudo dnf install macchanger
```
~~~
Then create the file `macspoof@.service` in `fedora-23` located at `/etc/systemd/system/` directory using a text editor such as `vim`, `emacs`, or `gedit`
```
~~~
sudo gedit /etc/systemd/system/macspoof@.service
```
~~~
Paste the following inside of that newly created file
```
~~~
[Unit]
Description=macchanger on %I
# Hack since macspoof@%i contains @ which is not allowed yet
@ -75,15 +76,15 @@ Type=oneshot
[Install]
WantedBy=multi-user.target
```
~~~
**How random do you want your MAC address?**
Note in the above line `ExecStart=/usr/bin/macchanger -e %I` we recommend the use of `macchanger` with the `-e` flag which randomizes the MAC address to an address by the same device vendor/manufacturer. There a [number of other flags](http://manpages.ubuntu.com/manpages/xenial/en/man1/macchanger.1.html) you could use instead, such as `-r` which makes a totally random MAC address, which may map to a non-existent device vendor/manufacturer and make it obvious you are spoofing your MAC address. Some reasons why we have recommended `-e` rather than `-r` are in these resources:
* https://tails.boum.org/contribute/design/MAC_address/#index5h2
* https://tails.boum.org/contribute/design/MAC_address/#limitation-only-spoof-nic-part
* https://help.ubuntu.com/community/AnonymizingNetworkMACAddresses#Fully_Random
* <https://tails.boum.org/contribute/design/MAC_address/#index5h2>
* <https://tails.boum.org/contribute/design/MAC_address/#limitation-only-spoof-nic-part>
* <https://help.ubuntu.com/community/AnonymizingNetworkMACAddresses#Fully_Random>
**Get the right iface names**
@ -91,7 +92,7 @@ It's crucial to get the correct **iface name** for the devices (ethernet and wif
open your `sys-net` (or wherever your device drivers are) and type in `terminal` the command `ifconfig` the printout
will look like:
```
~~~
enp0s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 9e:d6:53:02:4b:b6 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
@ -117,7 +118,7 @@ wlp0s1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 32 bytes 3712 (3.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
```
~~~
The **iface name** values you're interested in are `enp0s0` and `wlp0s1` as those represent your ethernet and wifi
devices, respectively.
@ -129,29 +130,29 @@ respectively. *Copy these MAC addresses down somewhere for later.*
Now, go back to your `fedora-23` TemplateVM and use the `touch` command to create service files in the appropriate
place, note that the `iface name` values at the end:
```
~~~
cd /var/run/qubes-service/
sudo touch macspoof-enp0s0
sudo touch macspoof-wlp0s1
```
~~~
Verify the correct files exist in the directory
```
~~~
[user@fedora-23 qubes-service]$ ls
cups macspoof-wlp0s1 qubes-update-check
macspoof-enp0s0 meminfo-writer updates-proxy-setup
```
~~~
Now, also within the TemplateVM, type the following commands for each hardware device that you want to randomize a MAC
addresses for
```
~~~
sudo systemctl enable macspoof@wlp0s1
Created symlink from /etc/systemd/system/multi-user.target.wants/macspoof@wlp0s1.service to /etc/systemd/system/macspoof@.service.
sudo systemctl enable macspoof@enp0s0
Created symlink from /etc/systemd/system/multi-user.target.wants/macspoof@enp0s0.service to /etc/systemd/system/macspoof@.service.
```
~~~
Now you can do the following:
- Stop your `fedora-23` VM
@ -163,10 +164,10 @@ Open your VM settings for `sys-net`, navigate to Services, and add the new servi
Alternatively, you can enable these services for `sys-net` from the command line by opening up Terminal in `dom0` and running the following:
```
~~~
qvm-service -e sys-net macspoof-wlp0s1
qvm-service -e sys-net macspoof-enp0s0
```
~~~
Now restart `sys-net`.