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How to determine TLS/SSL version in mainframe


IBM Mainframe Forums -> TSO/ISPF
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Manikandan KN

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Joined: 14 Jan 2011
Posts: 1
Location: Pune

PostPosted: Wed Jun 23, 2021 12:52 am
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How to find if we are using tls/ssl in mainframe .. Also how to find tls/ssl version in mainframe?
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Rohit Umarjikar

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Joined: 21 Sep 2010
Posts: 2790
Location: NYC,USA

PostPosted: Wed Jun 23, 2021 1:41 am
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Please ask to Mainframes Admin or Mainframes security people at your organization.
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vasanthz

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Joined: 28 Aug 2007
Posts: 1693
Location: Tiruppur, India

PostPosted: Thu Jun 24, 2021 12:03 am
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There can be many places where TLS/SSL are used, and each of them are configured differently.

The Emulator that you use to connect to Mainframe can use TLS/SSL.
Data transfer between Mainframe and any other system like Unix or Windows can use TLS/SSL
Web server on the Mainframe - http server or Apache server can use TLS/SSL
CICS CPSM
And many other places where communication is involved.

Which communication are you asking specifically?
If it is emulator to Mainframe connection, then most emulators have a LOCK symbol on the bottom status bar, that shows the SSL certificate and encryption algorithm.
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