1 SSL Release Notes
This document describes the changes made to the SSL application.
1.1 SSL 2.3.6
1.1.1 Fixed Bugs and Malfunctions
- There was a synchronization error at closing, which could result in that an SSL socket was removed prematurely, resulting in that a user process referring to it received an unexpected exit.
OwnId: OTP-4435
Aux Id: seq7600
1.1.2 Known Bugs and Problems
1.2 SSL 2.3.5
1.2.1 Fixed Bugs and Malfunctions
- Setting of the option `nodelay' caused the SSL port program to dump core.
OwnId: OTP-4380
Aux Id: -
- Setting of the option '{active, once}' in
setopts
was wrong, causing a correct socket message to be regarded as erroneous.
OwnId: OTP-4380
Aux Id: -
- A self-signed peer certificate was always rejected with the error `eselfsignedcert', irrespective of the `depth' value.
OwnId: OTP-4374
Aux Id: seq7417
1.2.2 Known Bugs and Problems
1.3 SSL 2.3.4
1.3.1 Improvements and New Features
- All TCP options allowed in gen_tcp, are now also allowed in SSL, except the option
{reuseaddr, Boolean}
. A new functiongetopts
has been added to the SSL interface modulessl
.
OwnId: OTP-4305, OTP-4159
1.4 SSL 2.3.3
1.4.1 Fixed Bugs and Malfunctions
- The roles of the SSLeay and OpenSSL packages has been clarified in the ssl(6) application manual page. Also the URLs from which to download SSLeay has been updated.
OwnId: OTP-4002
Aux Id: seq5269
- A call to
ssl:listen(Port, Options)
withOptions = []
resulted in the cryptic{error, ebadf}
return value. The return value has been changed to{error, enooptions}
, and the behaviour has been documented in thelisten/2
function.
OwnId: OTP-4016
Aux Id: seq7006
- Use of the option
{nodelay, boolean()}
crashed thessl_server
.
OwnId: OTP-4070
Aux Id:
- A bug caused the Erlang distribution over ssl to fail. This bug has now been fixed.
OwnId: OTP-4072
Aux Id:
- On Windows when the SSL port program encountered an error code not anticipated it crashed.
OwnId: OTP-4132
Aux Id:
1.5 SSL 2.3.2
1.5.1 Fixed Bugs and Malfunctions
- The
ssl:accept/1-2
function sometimes returned{error, {What, Where}}
instead of{error, What}
, whereWhat
is an atom.
OwnId: OTP-3775
Aux Id: seq4991
1.6 SSL 2.3.1
1.6.1 Fixed Bugs and Malfunctions
- Sometimes the SSL portprogram would loop in an accept loop, without terminating even when the SSL application was stopped..
OwnId: OTP-3691
1.7 SSL 2.3
Functions have been added to SSL to experimentally support Erlang distribution.
1.8 SSL 2.2.1
The 2.2.1 version of SSL provides code replacement in runtime by upgrading from, or downgrading to, versions 2.1 and 2.2.
1.9 SSL 2.2
1.9.1 Improvements and New Features
- The restriction that only the creator of an SSL socket can read from and write to the socket has been lifted.
OwnId: OTP-3301
- The option
{packet, cdr}
for SSL sockets has been added, which means that SSL sockets also supports CDR encoded packets.
OwnId: OTP-3302
1.9.2 Known Bugs and Problems
- Setting of a CA certificate file with the
cacertfile
option (in calls tossl:accept/1/2
orssl:connect/3/4
) does not work due to weaknesses in the SSLeay package.
A work-around is to set the OS environment variableSSL_CERT_FILE
before SSL is started. However, then the CA certificate file will be global for all connections.
OwnId: OTP-3146
- When changing controlling process of an SSL socket, a temporary process is started, which is not gen_server compliant.
OwnId: OTP-3146
- Although there is a
cache
timeout option, it is silently ignored.
OwnId: OTP-3146
- There is currently no way to restrict the cipher sizes.
OwnId: OTP-3146
1.10 SSL 2.1
1.10.1 Improvements and New Features
- The set of possible error reasons has been extended to contain diagnostics on erronous certificates and failures to verify certificates.
OwnId: OTP-3145
- The maximum number of simultaneous SSL connections on Windows has been increased from 31 to 127.
OwnId: OTP-3145
1.10.2 Fixed Bugs and Malfunctions
- A dead-lock occuring when write queues are not empty has been removed.
OwnId: OTP-3145
- Error reasons have been unified and changed.
(** POTENTIAL INCOMPATIBILITY **)
OwnId: OTP-3145
- On Windows a check of the existence of the environment variable
ERLSRV_SERVICE_NAME
has been added. If that variable is defined, the port program of the SSL application will not terminated when a user logs off.
OwnId: OTP-3145
- An error in the setting of the
nodelay
option has been corrected.
OwnId: OTP-3145
- The confounded notions of verify mode and verify depth has been corrected. The option
verifydepth
has been removed, and the two separate optionsverify
anddepth
has been added.
(** POTENTIAL INCOMPATIBILITY **)
OwnId: OTP-3145
1.10.3 Known Bugs and Problems
- Setting of a CA certificate file with the
cacertfile
option (in calls tossl:accept/1/2
orssl:connect/3/4
) does not work due to weaknesses in the SSLeay package.
A work-around is to set the OS environment variableSSL_CERT_FILE
before SSL is started. However, then the CA certificate file will be global for all connections.
OwnId: OTP-3146
- When changing controlling process of an SSL socket, a temporary process is started, which is not gen_server compliant.
OwnId: OTP-3146
- Although there is a
cache
timeout option, it is silently ignored.
OwnId: OTP-3146
- There is currently no way to restrict the cipher sizes.
OwnId: OTP-3146
1.11 SSL 2.0
A complete new version of SSL with separate I/O channels for all connections with non-blocking I/O multiplexing.