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Man Pages
_STACKMANAGER(8) Executable programs _STACKMANAGER(8)

ipsec__stackmanager - internal script to bring up kernel components for Libreswan

ipsec _stackmanager start [--xfrm]

ipsec _stackmanager stop

ipsec _stackmanager is called from within the init sub-system (systemd, upstart, sysv initscripts) to bring up the Libreswan kernel component as configured via the protostack= option in the ipsec.conf configuration file.

This involves loading and optionally unloading of the required kernel modules. Because the Linux kernel cannot autodetect most crypto related drivers on-demand, _stackmanager handles loading the modules for the specific IPsec stack.

When the --xfrm option is given to the start command, the XFRM stack is loaded regardless of the existence or contents of the ipsec.conf file. This is used for docker tests where the host system, which might not have libreswan installed, needs to run _stackmanager from the source tree to load the modules on the host so the modules are available inside the containers.

ip(8), ipsec_tncfg(8), ipsec.conf(5), ipsec_addconn(8), pluto(8)

This script was introduced in Libreswan. On the older Openswan systems, this functionality was split over various script files such as ipsec _startnetkey, ipsec _startklips, ipsec _realsetup and ipsec setup. Man page written for the Libreswan project <https://libreswan.org/> by Paul Wouters.

Paul Wouters
placeholder to suppress warning
05/26/2022 libreswan
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