File dovecot-2.3.0-better_ssl_defaults.patch of Package dovecot23

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File dovecot-2.3.0-better_ssl_defaults.patch of Package dovecot23

Index: dovecot-2.3.2/doc/example-config/conf.d/10-ssl.conf
===================================================================
--- dovecot-2.3.2.orig/doc/example-config/conf.d/10-ssl.conf
+++ dovecot-2.3.2/doc/example-config/conf.d/10-ssl.conf
@@ -9,8 +9,8 @@
 # dropping root privileges, so keep the key file unreadable by anyone but
 # root. Included doc/mkcert.sh can be used to easily generate self-signed
 # certificate, just make sure to update the domains in dovecot-openssl.cnf
-ssl_cert = </etc/ssl/private/dovecot.crt
-ssl_key = </etc/ssl/private/dovecot.pem
+#ssl_cert = </etc/ssl/private/dovecot.crt
+#ssl_key = </etc/ssl/private/dovecot.pem
 
 # If key file is password protected, give the password here. Alternatively
 # give it when starting dovecot with -p parameter. Since this file is often
@@ -57,6 +57,7 @@ ssl_key = </etc/ssl/private/dovecot.pem
 #ssl_cipher_list = ALL:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH
 # To disable non-EC DH, use:
 #ssl_cipher_list = ALL:!DH:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH
+ssl_cipher_list = ALL:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH
 
 # Colon separated list of elliptic curves to use. Empty value (the default)
 # means use the defaults from the SSL library. P-521:P-384:P-256 would be an
@@ -65,6 +66,7 @@ ssl_key = </etc/ssl/private/dovecot.pem
 
 # Prefer the server's order of ciphers over client's.
 #ssl_prefer_server_ciphers = no
+ssl_prefer_server_ciphers = yes
 
 # SSL crypto device to use, for valid values run "openssl engine"
 #ssl_crypto_device =
@@ -73,3 +75,4 @@ ssl_key = </etc/ssl/private/dovecot.pem
 #   compression - Enable compression.
 #   no_ticket - Disable SSL session tickets.
 #ssl_options =
+ssl_options = no_compression
Index: dovecot-2.3.2/src/lib-master/master-service-ssl-settings.c
===================================================================
--- dovecot-2.3.15/src/lib-master/master-service-ssl-settings.c-orig	2021-06-22 10:42:41.478860782 +0200
+++ dovecot-2.3.15/src/lib-master/master-service-ssl-settings.c	2021-06-22 10:43:21.294525440 +0200
@@ -62,7 +62,7 @@
 	.ssl_client_cert = "",
 	.ssl_client_key = "",
 	.ssl_dh = "",
-	.ssl_cipher_list = "ALL:!kRSA:!SRP:!kDHd:!DSS:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH",
+	.ssl_cipher_list = "ALL:!LOW:!SSLv2:!EXP:!aNULL:!aNULL:!eNULL:!EXPORT:!DES:!3DES:!MD5:!PSK:!RC4:!ADH:!LOW@STRENGTH",
 	.ssl_cipher_suites = "", /* Use TLS library provided value */
 	.ssl_curve_list = "",
 	.ssl_min_protocol = "TLSv1.2",

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File dovecot-2.3.0-better_ssl_defaults.patch of Package dovecot23

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