/etc/freeradius/3.0/mods-available/digest is in freeradius-config 3.0.16+dfsg-1ubuntu3.
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 | # -*- text -*-
#
# $Id: f0aa9edf9da33d63fe03e7d1ed3cbca848eec54d $
#
# The 'digest' module currently has no configuration.
#
# "Digest" authentication against a Cisco SIP server.
# See 'doc/rfc/draft-sterman-aaa-sip-00.txt' for details
# on performing digest authentication for Cisco SIP servers.
#
digest {
}
|