IPSEC-_STACKMANAGER(8)

πŸ“¦
version 5.2 Β· 3 versions
, in ubuntu resolute, ubuntu stonking

πŸ’… IPSEC-_STACKMANAGER πŸ’…

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. ✨


🌸 NAME 🌸

ipsec-_stackmanager β€” internal script to bring up kernel components for Libreswan πŸŽ€


✨ SYNOPSIS ✨

ipsec _stackmanager {start | stop}

πŸ¦‹ DESCRIPTION πŸ¦‹

so basically, ipsec _stackmanager gets called from within the init sub-system β€” think systemd, upstart, sysv initscripts, the whole backstage crew 🫢 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 😭 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. πŸ’…


πŸ”₯ SEE ALSO πŸ”₯


πŸ’œ HISTORY πŸ’œ

not me giving you the lore πŸ“: this script was introduced in Libreswan. back on the older Openswan systems, this same functionality was split over various script files, like:

  • ipsec _startnetkey
  • ipsec _startklips
  • ipsec _realsetup
  • ipsec setup

a whole scattered era, honestly. πŸ™ˆ the man page itself was written for the Libreswan project <https://libreswan.org/> by Paul Wouters. iconic of him.


πŸ‘‘ AUTHOR πŸ‘‘

Paul Wouters πŸ’–


⭐ 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!! πŸŽ€ 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 πŸ’…πŸ¦‹βœ¨

πŸ“¦ where this page comes from