Congratulations, all! This consumed ~20 hours of time isolating and
fixing a bug in what's supposed to be 6-month-old "LTS" release. I see
it's supposedly got a fix released and triaged, but the milestone is 6
months old and Colin doesn't seem sure if this is still an issue. I can
confirm it is on the two 12.04 machines I have access to and am happy to
do further troubleshooting or supply sample scripts if necessary.
There are unfortunately few workarounds for those (two?) of us trying to
use SoapClient in PHP. The above fixes work for me, but don't handle
PHP's SoapClient, and it was quite a journey triaging that.
I finally got the below PHP code to work for my use case, which is
communicating with remote SSL SOAP services that only support SSLv2,
SSLv3, or TLS1.0 (and not TLS 1.1, TLS 1.2) especially using RC4-SHA
ciphers. The ciphers option in a new stream_context is the necessary bit
to make the code work on 12.04:
$opts = array(
'ssl' => array('ciphers'=>'RC4-SHA')
);
ini_set( "soap.wsdl_cache_enabled", "0" );
$objSoapClient = new SoapClient(
'https://EXAMPLE.COM/EXAMPLEWSDLPATH',
array ( "encoding"=>"ISO-8859-1",
'stream_context' => stream_context_create($opts),
"trace"=>1,
"exceptions"=>0,
"connection_timeout"=>2000 ));
The trick is to substitute SoapClient's normal context with your own context +
SSL options: http://www.php.net/manual/en/soapclient.soapclient.php
http://www.php.net/manual/en/context.php
http://www.php.net/manual/en/function.stream-context-create.php
This site was invaluable in testing what exact ciphers/technologies are
actually supported by the remote server:
https://www.ssllabs.com/ssltest/index.html
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https://bugs.launchpad.net/bugs/965371
Title:
HTTPS requests fail on sites which immediately close the connection if
TLS 1.1 negotiation is attempted, on Ubuntu 12.04
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https://bugs.launchpad.net/openssl/+bug/965371/+subscriptions
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