IPSEC-_STACKMANAGER(8)
π IPSEC-_STACKMANAGER π
okay bestie, welcome to the ipsec-_stackmanager manual page, section 8 of the Executable programs chronicles. it's an internal script whose whole entire job is bringing up kernel components for Libreswan. yes ma'am, that's the moment. β¨
πΈ NAME πΈ
ipsec-_stackmanager β internal script to bring up kernel components for Libreswan π
β¨ SYNOPSIS β¨
ipsec _stackmanager {start | stop}
π¦ DESCRIPTION π¦
so basically, ipsec _stackmanager gets called from within the init sub-system β think systemd, upstart, sysv initscripts, the whole backstage crew π«Ά β and its mission is to bring up the Libreswan kernel component exactly as you configured it with the protostack= option in the ipsec.conf configuration file. no cap.
what that actually looks like? it's loading β and optionally unloading β the required kernel modules, bestie. because here's the tea: the Linux kernel can't autodetect most crypto related drivers on-demand π like hello?? it just can't. so _stackmanager steps in and handles the module loading for the specific IPsec stack you asked for. main character behavior, fr fr. π
π₯ SEE ALSO π₯
π HISTORY π
not me giving you the lore π: this script was introduced in Libreswan. back on the older Openswan systems, this same functionality was split over various script files, like:
ipsec _startnetkeyipsec _startklipsipsec _realsetupipsec setup
a whole scattered era, honestly. π the man page itself was written for the Libreswan project <https://libreswan.org/> by Paul Wouters. iconic of him.
π AUTHOR π
Paul Wouters π
β reminder, bestie: this is an internal script, so it's not out here looking for random callers. it does its thing inside the init sub-system, and that's the vibe check. iykyk.
and that's the page!! π brought to you by Libreswan 5.2, dated 02/06/2026, straight from the IPSEC-_STACKMANAGER(8) corner of the terminal. slay, stay safe, and may your kernel modules always load on the first try. periodt π π¦β¨
π¦ where this page comes from
- ubuntu resolute: libreswan 5.2-2.2ubuntu2 Β· GPL-2.0-or-later
- ubuntu stonking: libreswan 5.2-2.2ubuntu2 Β· GPL-2.0-or-later
- π girlified by deepseek-ai/DeepSeek-V4.1-Flash on : a language model's rewrite of the original, under its terms