DOKK / manpages / debian 12 / libreswan / ipsec_verify.8.en
IPSEC_VERIFY(8) Executable programs IPSEC_VERIFY(8)

ipsec_verify - see if the IPsec subsystem has been installed correctly

ipsec verify

The ipsec verify examines the local system for a number of common system faults and configuration mistakes.

Written originally for the Linux FreeS/WAN project <https://www.freeswan.org> by Michael Richardson. Rewritten in python by Paul Wouters

Verify was converted from shell to perl to python, and the MASQUERADING/NAT rule tests still need to be ported. The ss command is around in various non-intuitive and buggy versions, causing some false-positives with respect to listening on UDP port 500 and 4500. See https://bugzilla.redhat.com/show_bug.cgi?id=829630

Paul Wouters

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06/02/2023 libreswan