diff options
Diffstat (limited to 'lib/ssl/doc/src/ssl.xml')
-rw-r--r-- | lib/ssl/doc/src/ssl.xml | 53 |
1 files changed, 47 insertions, 6 deletions
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml index b53344e381..0c042f8571 100644 --- a/lib/ssl/doc/src/ssl.xml +++ b/lib/ssl/doc/src/ssl.xml @@ -4,7 +4,7 @@ <erlref> <header> <copyright> - <year>1999</year><year>2014</year> + <year>1999</year><year>2015</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -163,7 +163,7 @@ is supplied it will override the certfile option.</item> <tag>{certfile, path()}</tag> - <item>Path to a file containing the user's certificate.</item> + <item>Path to a file containing the user's PEM encoded certificate.</item> <tag>{key, {'RSAPrivateKey'| 'DSAPrivateKey' | 'ECPrivateKey' |'PrivateKeyInfo', der_encoded()}}</tag> <item> The DER encoded users private key. If this option @@ -348,11 +348,23 @@ fun(srp, Username :: string(), UserState :: term()) -> </p> </item> + <tag>{padding_check, boolean()}</tag> + <item> + <p> This option only affects TLS-1.0 connections. + If set to false it disables the block cipher padding check + to be able to interoperate with legacy software. + </p> + + <warning><p> Using this option makes TLS vulnerable to + the Poodle attack</p></warning> + + </item> + </taglist> - + </section> - - <section> + + <section> <title>SSL OPTION DESCRIPTIONS - CLIENT SIDE</title> <p>Options described here are client specific or has a slightly different @@ -413,6 +425,23 @@ fun(srp, Username :: string(), UserState :: term()) -> Indication extension will be sent if possible, this option may also be used to disable that behavior.</p> </item> + <tag>{fallback, boolean()}</tag> + <item> + <p> Send special cipher suite TLS_FALLBACK_SCSV to avoid undesired TLS version downgrade. + Defaults to false</p> + <warning><p>Note this option is not needed in normal TLS usage and should not be used + to implement new clients. But legacy clients that that retries connections in the following manner</p> + + <p><c> ssl:connect(Host, Port, [...{versions, ['tlsv2', 'tlsv1.1', 'tlsv1', 'sslv3']}])</c></p> + <p><c> ssl:connect(Host, Port, [...{versions, [tlsv1.1', 'tlsv1', 'sslv3']}, {fallback, true}])</c></p> + <p><c> ssl:connect(Host, Port, [...{versions, ['tlsv1', 'sslv3']}, {fallback, true}]) </c></p> + <p><c> ssl:connect(Host, Port, [...{versions, ['sslv3']}, {fallback, true}]) </c></p> + + <p>may use it to avoid undesired TLS version downgrade. Note that TLS_FALLBACK_SCSV must also + be supported by the server for the prevention to work. + </p></warning> + </item> + </taglist> </section> @@ -538,7 +567,19 @@ fun(srp, Username :: string(), UserState :: term()) -> </p> </desc> </func> - + + <func> + <name>clear_pem_cache() -> ok </name> + <fsummary> Clears the pem cache</fsummary> + + <desc><p>PEM files, used by ssl API-functions, are cached. The + cache is regularly checked to see if any cache entries should be + invalidated, however this function provides a way to + unconditionally clear the whole cache. + </p> + </desc> + </func> + <func> <name>connect(Socket, SslOptions) -> </name> <name>connect(Socket, SslOptions, Timeout) -> {ok, SslSocket} |