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don't use cyphers that use RSA for key exchange

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KiekerJan 2025-03-29 17:11:35 +01:00
parent 0179c790c4
commit 8c42e1c3a6
1 changed files with 1 additions and 2 deletions
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3
setup/mail-postfix.sh
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@ -144,7 +144,7 @@ tools/editconf.py /etc/postfix/main.cf \
smtpd_tls_protocols=">=TLSv1" \
smtpd_tls_ciphers=medium \
tls_medium_cipherlist="@SECLEVEL=0:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA" \
smtpd_tls_exclude_ciphers="aNULL RC4" \
smtpd_tls_exclude_ciphers="MD5, DES, ADH, RC4, PSD, SRP, 3DES, eNULL, aNULL, CAMELLIA, kRSA" \
tls_preempt_cipherlist=yes \
smtpd_tls_received_header=yes
@ -155,7 +155,6 @@ tools/editconf.py /etc/postfix/main.cf \
smtpd_tls_mandatory_protocols=">=TLSv1.2" \
smtpd_tls_mandatory_ciphers=high \
tls_high_cipherlist=ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384 \
smtpd_tls_mandatory_exclude_ciphers="aNULL DES 3DES MD5 DES+MD5 RC4 CAMELLIA"
# Prevent non-authenticated users from sending mail that requires being
# relayed elsewhere. We don't want to be an "open relay". On outbound