dhclient: preventing hostname disclosure via DHCP request (option 12)

[fedorauser]

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Hi,

I'd like to avoid sending my hostname to the DHCP server via the DHCP
request (Option 12).

On my F19 system dhclient runs with the following parameters:

/sbin/dhclient -d -sf /usr/libexec/nm-dhcp-client.action -pf
/var/run/dhclient-em1.pid -lf
/var/lib/NetworkManager/dhclient-e4e10ab3-a727-4cae-9b6e-40b565ad3e3f-em1.lease
- -cf /var/lib/NetworkManager/dhclient-em1.conf em1


/var/lib/NetworkManager/dhclient-em1.conf
contains the relevant line:

send host-name "foobar"; # added by NetworkManager


but modifying this file has no effect since it will be regenerated by
NetworkManager.


What is the right way to remove the "send host-name" line from
dhclient's config file?

thanks!
fedorauser
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