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We have what IBM ships. Cipher suites re not my strong suit so I don't know if any of these are ECDHE. Chrome does show the connection as AES_128_CBC_SHA TLS 1.2



*RSA_AES_128_CBC_SHA

*RSA_RC4_128_SHA

*RSA_RC4_128_MD5

*RSA_AES_256_CBC_SHA

*RSA_3DES_EDE_CBC_SHA

*RSA_DES_CBC_SHA

*RSA_EXPORT_RC4_40_MD5

*RSA_EXPORT_RC2_CBC_40_MD5

*RSA_NULL_SHA

*RSA_NULL_MD5



-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of David Dunnion
Sent: Friday, January 22, 2016 12:51 PM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxx>
Subject: RE: TLS 1.2 on 7.1 - cipher suite mismatch issues



Mike,



I have Chrome 47 too and I can access other sites using 1.2 no problem. The same goes for the IE versions and Firefox versions I am using to test (on Win 7 & 10), I can open other sites using 1.2 but not my own.



I'm using a Comodo cert which I just changed to 4096 bit. In the ssslabs report there is a warning about 'Chain issues: Contains anchor', so I plan on removing a root cert tonight to get rid of this message and hopefully it might help.



Does your iSeries have the newer ECDHE cipher suites?



Thanks,



David



-----Original Message-----

From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Mike Cunningham

Sent: 22 January 2016 17:30

To: Midrange Systems Technical Discussion

Subject: RE: TLS 1.2 on 7.1 - cipher suite mismatch issues



Don't look server side. Problem is more likely in the browser. Early versions of IE did not enable TLS 1.1 and 1.2 by default. You have to turn them on. In some versions of IE turning on 1.1 and 1.2 and turning off 1.0 does not make a connection but turning off 1.2 and turning 1.0 back on makes

1.1 work. I am using Chrome 47 and can connect TLS 1.2 to my iSeries



Check here to find the browser you need

https://en.wikipedia.org/wiki/Template:TLS/SSL_support_history_of_web_browse

rs

Notice that IE is also dependent on the OS



Do you happen to use a Verisign certificate on your iSeries? We discovered recently, with a lot of help from IBM, that a root certificate from verisign was causing a problem with Client Access connecting SSL (telnet SSL worked but the rest of Client Access would not work SSL). When we put a newer root certificate on it broke older versions of Client Access telnet SSL. Working now to get those systems current.



-----Original Message-----

From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of David Dunnion

Sent: Friday, January 22, 2016 11:53 AM

To: midrange-l@xxxxxxxxxxxx<mailto:midrange-l@xxxxxxxxxxxx>

Subject: TLS 1.2 on 7.1 - cipher suite mismatch issues



Hi,





I have TLS 1.2 enabled for my HTTP server but it's only working for certain browsers, IE 11 & Edge and some older browser versions. In Chrome I get the error "ERR_SSL_VERSION_OR_CIPHER_MISMATCH" and Firefox gives the error "ssl_error_protocol_version_alert" and the site doesn't load.





In my test HTTP config file I have set my cipher suite list like below which matches the only cipher suites I have on my system (7.1, TR7) that Chrome

supports:





SSLCipherSpec TLS_RSA_WITH_AES_256_CBC_SHA



SSLCipherSpec TLS_RSA_WITH_AES_128_CBC_SHA



SSLCipherSpec TLS_RSA_WITH_3DES_EDE_CBC_SHA





But I still can't get a connection. Using www.ssllabs.com/ssltest/<http://www.ssllabs.com/ssltest/> I have checked some other sites which work fine for TLS 1.2 using the AES_128_CBC cipher. The only difference being those sites also have the more modern ECDHE cipher suites listed too even though they are not used for the connection. I can't go to 7.2 with this box for a long time.





Has anyone come across this problem before on 7.1?





Thanks,





David







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