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  1.  Home
  2. MIDRANGE-L
  3. March 2015

RE: Confirming SSLv2 and SSLv3 usage, disabling

Any,

Isn't the QSSLCSL system value maintained by PTFs?


Below are my current system values.
System value . . . . . : QSSLCSL
Description . . . . . : Secure sockets layer cipher specification list


Sequence Cipher
number Suite
0
10 *RSA_AES_128_CBC_SHA
20 *RSA_RC4_128_SHA
30 *RSA_RC4_128_MD5
40 *RSA_AES_256_CBC_SHA
50 *RSA_3DES_EDE_CBC_SHA
60 *RSA_DES_CBC_SHA
70 *RSA_EXPORT_RC4_40_MD5
80 *RSA_EXPORT_RC2_CBC_40_MD5
90 *RSA_NULL_SHA
100 *RSA_NULL_MD5

System value . . . . . : QSSLCSLCTL
Description . . . . . : Secure sockets layer cipher control


Cipher control . . . . : *OPSYS *OPSYS, *USRDFN

System value . . . . . : QSSLPCL
Description . . . . . : Secure sockets layer protocols


Protocols
*OPSYS

Paul


From: AHoerle@xxxxxxxxxxxxx [mailto:AHoerle@xxxxxxxxxxxxx]
Sent: Tuesday, March 24, 2015 10:35 AM
To: Midrange Systems Technical Discussion
Cc: Steinmetz, Paul
Subject: RE: Confirming SSLv2 and SSLv3 usage, disabling

Paul,

Yes, you will want to change the QSSLCLS system value. Here's what I am using now on my 7.1 systems to eliminate SSLv3 and the reduce the number of allowed Ciphers for my servers:


System value . . . . . : QSSLCSL
Description . . . . . : Secure sockets layer cipher specification list

Sequence Cipher
number Suite
0
10 *RSA_AES_256_CBC_SHA256
20 *RSA_AES_128_CBC_SHA256
30 *RSA_AES_128_CBC_SHA
40 *RSA_AES_256_CBC_SHA
50 *RSA_3DES_EDE_CBC_SHA
60 *RSA_DES_CBC_SHA

System value . . . . . : QSSLCSLCTL
Description . . . . . : Secure sockets layer cipher contro
Cipher control . . . . : *USRDFN *OPSYS, *USRDFN

System value . . . . . : QSSLPCL
Description . . . . . : Secure sockets layer protocols

Protocols
*TLSV1
*TLSV1.1
*TLSV1.2



Amy Hoerle
System Administrator
Think Mutual Bank
5200 Members Pkwy NW, Box 5949
Rochester, MN 55901

507-536-5815 or
800-288-3425 Ext 5815
ahoerle@xxxxxxxxxxxxx<mailto:ahoerle@xxxxxxxxxxxxx>



From: "Steinmetz, Paul" <PSteinmetz@xxxxxxxxxx<mailto:PSteinmetz@xxxxxxxxxx>>
To: "'Midrange Systems Technical Discussion'" <midrange-l@xxxxxxxxxxxx<mailto:midrange-l@xxxxxxxxxxxx>>
Date: 03/23/2015 10:51 AM
Subject: RE: Confirming SSLv2 and SSLv3 usage, disabling
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx<mailto:midrange-l-bounces@xxxxxxxxxxxx>>
________________________________



Jim,

System values.
Do I need to change QSSLCSL?
Normally, this is managed by IBM PTFs, correct?

QSSLCSL *SEC Secure sockets layer cipher specification list
QSSLCSLCTL *SEC Secure sockets layer cipher control
QSSLPCL *SEC Secure sockets layer protocols

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jim Oberholtzer
Sent: Monday, March 23, 2015 11:36 AM
To: 'Midrange Systems Technical Discussion'
Subject: RE: Confirming SSLv2 and SSLv3 usage, disabling

http://yourserveraddress:2001<http://yourserveraddress:2001/>

Make sure the *ADMIN http server is running .

--
Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Steinmetz, Paul
Sent: Monday, March 23, 2015 10:34 AM
To: 'Midrange Systems Technical Discussion'
Subject: RE: Confirming SSLv2 and SSLv3 usage, disabling

Jim,

Where in admin?
Not finding anything browsing.

Paul


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Jim Oberholtzer
Sent: Monday, March 23, 2015 11:17 AM
To: 'Midrange Systems Technical Discussion'
Subject: RE: Confirming SSLv2 and SSLv3 usage, disabling

Easiest is *ADMIN server.

--
Jim Oberholtzer
Chief Technical Architect
Agile Technology Architects


-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Steinmetz, Paul
Sent: Monday, March 23, 2015 10:16 AM
To: 'Midrange Systems Technical Discussion'
Subject: RE: Confirming SSLv2 and SSLv3 usage, disabling

Rob,

I think so, but not sure.

Where do we look to see if configured?

Paul

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of rob@xxxxxxxxx<mailto:rob@xxxxxxxxx>
Sent: Monday, March 23, 2015 11:09 AM
To: Midrange Systems Technical Discussion
Subject: Re: Confirming SSLv2 and SSLv3 usage, disabling

Ok, maybe you found no usage, but that may not mean that you don't still have it configured? Is that the issue?


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600 Mail
to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com<http://www.dekko.com/>





From: "Steinmetz, Paul" <PSteinmetz@xxxxxxxxxx<mailto:PSteinmetz@xxxxxxxxxx>>
To: "'Midrange Systems Technical Discussion'"
<midrange-l@xxxxxxxxxxxx<mailto:midrange-l@xxxxxxxxxxxx>>
Date: 03/23/2015 10:53 AM
Subject: Confirming SSLv2 and SSLv3 usage, disabling
Sent by: "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx<mailto:midrange-l-bounces@xxxxxxxxxxxx>>



I was notified by our corporate security admin (via Nessus scan) that
SSLv2 and SSLv3 were still being used on the I and needed to be disabled.

20007
SSL Version 2
and 3 Protocol
Detection
Medium 10.5.2.5 TCP
21 No iSeries

I turned on the TRCINT per doc N1020594, left it run for 7 days, found no usage of SSLv2 or SSLv3, only *TLSV1.0
http://www-01.ibm.com/support/docview.wss?uid=nas8N1020594
What am I missing here?
How and where do I confirm if SSLv2 or SSLv3 is still configured?
How do I disable?
Thank You
_____
Paul Steinmetz
IBM i Systems Administrator

Pencor Services, Inc.
462 Delaware Ave
Palmerton Pa 18071

610-826-9117 work
610-826-9188 fax
610-349-0913 cell
610-377-6012 home

psteinmetz@xxxxxxxxxx<mailto:psteinmetz@xxxxxxxxxx>
http://www.pencor.com/







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