/etc/security/chroot.conf is in libpam-chroot 0.9-4.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | # /etc/security/chroot.conf
# This file determines where will pam_chroot restrict the
# users for applications that use this module.
# Users not listed in this configuration file will not
# be chrooted.
# The format of this configuration file is:
#
# username chroot_dir
#
# For example:
#foo /home/foo
# Or, if you've specified use_regex,
# username_regex chroot_dir
#^bar.* /home/bar
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