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ea8dbd7a6d
Install a configuration snippet on Fedora 40+, that sets the default for
"wifi.cloned-mac-address" to "stable-ssid" (otherwise, the built-in default
is "preserve").
This will mean, that on Wi-Fi profiles that don't explicitly override
the property "wifi.cloned-mac-address", a stable address is generated.
The benefit is, that Fedora will randomize the MAC address by default.
Note that this also affects all pre-existing Wi-Fi profiles, that don't
explicitly configure the property in the profile. Depending on how you
see it, this is desirable. Randomization should be done, unless the user
opts-out (not the other way around).
Note that setting "wifi.cloned-mac-address=stable-ssid" is similar to
setting a stable ID "${NETWORK_SSID}" and "wifi.cloned-mac-address=stable".
The difference is that the latter also affects other properties, like
- "ipv6.addr-gen-mode=stable-privacy"
- "{ethernet,wifi}.cloned-mac-address=stable"
- "ipv4.dhcp-client-id=stable"
- "ipv6.dhcp-duid=stable-{llt,ll,uuid}"
- "{ipv4,ipv6}.iaid=stable"
Especially with "ipv6.addr-gen-mode=stable", changing the stable ID
would mean that also all IPv6 addresses change. We want to avoid that by
only changing the cloned-mac-address to "stable-ssid".
This means, after upgrade to F40, different MAC addresses will be used
on most users' Wi-Fi. This means, DHCP might hand out different IP
addresses, sessions might expire, and configuration that depended on the
previous MAC address will be affected.
https://pagure.io/fedora-workstation/issue/350
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