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authorKurt Roeckx <kurt@roeckx.be>2016-02-07 20:34:03 +0100
committerKurt Roeckx <kurt@roeckx.be>2016-03-09 19:10:28 +0100
commit29c4cf0cd12100cb45a6ef59fdbd435954d16d5d (patch)
treec2a64d5bf6089a461259acabaa488af7b039651d /doc
parentcdc72e497d14167d0744ef0dd52b9778c431fb59 (diff)
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Update ciphers -s documentation
Reviewed-by: Viktor Dukhovni <viktor@openssl.org> MR: #1595
Diffstat (limited to 'doc')
-rw-r--r--doc/apps/ciphers.pod18
1 files changed, 15 insertions, 3 deletions
diff --git a/doc/apps/ciphers.pod b/doc/apps/ciphers.pod
index 344e218..9788fa3 100644
--- a/doc/apps/ciphers.pod
+++ b/doc/apps/ciphers.pod
@@ -36,9 +36,21 @@ Print a usage message.
=item B<-s>
-Only list supported ciphers: those consistent with the security level. This
-is the actual cipher list an application will support. If this option is
-not used then ciphers excluded by the security level will still be listed.
+Only list supported ciphers: those consistent with the security level, and
+minimum and maximum protocol version.
+This is closer to the actual cipher list an application will support.
+
+This program does not set up support for SRP and so SRP based ciphers will
+always be excluded when using this option.
+PSK ciphers are not enabled by default and it requires the B<-psk> to enable
+them.
+It also does not change the default list of supported signature algorithms.
+
+On a server the list of supported ciphers might also exclude other ciphers
+depending on the configured certificates and presence of DH parameters.
+
+If this option is not used then all ciphers that match the cipherlist will be
+listed.
=item B<-psk>