On Tue, 2021-01-19 at 17:44 -0700, Kevin Locke via networkmanager-list wrote:
Hi All, I'm trying to make a device which frequently roams between untrusted wireless networks (in non-pandemic times) less easy to uniquely identify by not sending the hostname in DHCP requests (in addition to other measures like MAC address randomization). It seems that this can be accomplished with connection settings: ipv4.dhcp-send-hostname=false ipv6.dhcp-send-hostname=false To avoid the need to configure these for every new wireless connection profile, I added them to a .conf file in /etc/NetworkManager/conf.d/, which causes `NetworkManager --print-config` to output: # WARNING: unknown key 'ipv4.dhcp-send-hostname' in section [connection-no-dhcp-send-hostname] of file '/etc/NetworkManager/conf.d/50-no-dhcp-send-hostname.conf' # WARNING: unknown key 'ipv6.dhcp-send-hostname' in section [connection-no-dhcp-send-hostname] of file '/etc/NetworkManager/conf.d/50-no-dhcp-send-hostname.conf' Perhaps this is because the property does not support having a default value configured, as it is not listed in NetworkManager.conf(5) (although the error message does not make this clear). If that is the case, I'd be curious to understand the rationale and whether it might be acceptable to support in the future. (I'd be happy to send a patch/MR, but would appreciate a pointer for how to do so.) Alternatively, if I've made a mistake or there is an easier/better way to accomplish this, so much the better.
Hi, see https://gitlab.freedesktop.org/NetworkManager/NetworkManager/-/issues/584 best, Thomas
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