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MKDHPARAMS(8) S. Varshavchik. MKDHPARAMS(8) NAME mkdhparams - create DH parameter file SYNOPSIS /usr/local/sbin/mkdhparams DESCRIPTION This script creates new DH parameters and saves them in /usr/lo- cal/share/courier-imap/dhparams.pem. If this file already exists and it's less than 25 days old, the script returns immediately. If this file is over 25 days old, new DH parameters get generated and the file gets replaced. This script is intended to be execute when the system boots, or from a monthly cron job. FILES /usr/local/share/courier-imap/dhparams.pem DH Parameter file. ENVIRONMENT VARIABLES DH_BITS Customize the DH parameter bit size. The default value depends on whether this script uses OpenSSL or GnuTLS libraries. For OpenSSL the default number of bits is 2048. GnuTLS uses a security level setting, rather than the number of bits, and the default security level is "high". Note It make take several minutes to generate new DH parameters with the de- fault strength. SEE ALSO courier(8)[1] AUTHOR Sam Varshavchik Author NOTES 1. courier(8) https://www.courier-mta.org/courier.html Courier Mail Server 05/03/2026 MKDHPARAMS(8)
NAME | SYNOPSIS | DESCRIPTION | FILES | ENVIRONMENT VARIABLES | SEE ALSO | AUTHOR | NOTES
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