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authorJeremy Harris <jgh146exb@wizmail.org>2016-01-14 21:13:01 +0000
committerJeremy Harris <jgh146exb@wizmail.org>2016-01-14 21:13:01 +0000
commita57b620090bf63a65f16624dcaeb883b4f4a0346 (patch)
tree1a929f6b26ce6379e3ee2e372882585e54b88671 /doc
parent731c6a90439a22e26418f75ce9207a0c8ab112dc (diff)
OpenSSL: Default the SINGLE_DH_USE option flag set
Diffstat (limited to 'doc')
-rw-r--r--doc/doc-docbook/spec.xfpt2
-rw-r--r--doc/doc-txt/ChangeLog4
2 files changed, 5 insertions, 1 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index 44623a550..aa1e67712 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -15431,7 +15431,7 @@ harm. This option overrides the &%pipe_as_creator%& option of the &(pipe)&
transport driver.
-.option openssl_options main "string list" "+no_sslv2"
+.option openssl_options main "string list" "+no_sslv2 +single_dh_use"
.cindex "OpenSSL "compatibility options"
This option allows an administrator to adjust the SSL options applied
by OpenSSL to connections. It is given as a space-separated list of items,
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 52d4aeb56..09437e40e 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -144,6 +144,10 @@ JH/34 Bug 1192: replace the embedded copy of PolarSSL RSA routines in the DKIM
support, by using OpenSSL or GnuTLS library ones. This means DKIM is
only supported when built with TLS support.
+JH/35 Require SINGLE_DH_USE by default in OpenSSL (main config option
+ openssl_options), for security. OpenSSL forces this from version 1.1.0
+ server-side so match that on older versions.
+
Exim version 4.86
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