/etc/strongswan.d/charon/kernel-netlink.conf is in libstrongswan 5.1.2-0ubuntu2.11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | kernel-netlink {
# Firewall mark to set on the routing rule that directs traffic to our
# routing table.
# fwmark =
# Whether to load the plugin. Can also be an integer to increase the
# priority of this plugin.
load = yes
# Whether to trigger roam events when interfaces, addresses or routes
# change.
# roam_events = yes
# Lifetime of XFRM acquire state in kernel.
# xfrm_acq_expires = 165
}
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