/proc/net/ipsec_version is a read-only file that lists the currently running KLIPS version information.
FreeS/WAN version: 1.4
shows that the currently loaded KLIPS is from FreeS/WAN 1.4.
ipsec(8), ipsec_eroute(5), ipsec_spi(5), ipsec_spigrp(5), ipsec_klipsdebug(5), ipsec_tncfg(8), ipsec_pf_key(5)
Written for the Linux FreeS/WAN project <m[blue]https://www.freeswan.org/m[]> by Richard Guy Briggs.
Paul Wouters