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PI56614: SUPPORT EHLO AFTER STARTTLS FOR CSSMTP

A fix is available

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APAR status

  • Closed as new function.

Error description

  • This is a new function to support EHLO protocol after successful
    STARTTLS is received from a secure target server.
    The EHLO exchange between the client and server is carried on
    a secure connection.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All users of the IBM Communications Server for z/OS Version  *
    * 2 Release 1 and Version 2 Release 2: CSSMTP                  *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * New function to add a TLSEhlo option to the CSSMTP           *
    * configuration file.                                          *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Apply PTF.                                                   *
    ****************************************************************
    RFC3207 (SMTP Service Extension for Secure SMTP over Transport
    Layer Security) specifies that sending an EHLO SMTP command is
    optional for a SMTP client after a successful TLS negotiation.
    However, some SMTP servers require an EHLO command after a
    successful TLS negotiation.
    

Problem conclusion

Temporary fix

Comments

  • ×**** PE16/10/12 FIX IN ERROR. SEE APAR PI68291  FOR DESCRIPTION
    ×**** PE17/03/01 FIX IN ERROR. SEE APAR PI77267  FOR DESCRIPTION
    ×**** PE17/03/01 FIX IN ERROR. SEE APAR PI77267  FOR DESCRIPTION
    

APAR Information

  • APAR number

    PI56614

  • Reported component name

    TCP/IP V3 MVS

  • Reported component ID

    5655HAL00

  • Reported release

    210

  • Status

    CLOSED UR1

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    YesSpecatt / New Function / Xsystem

  • Submitted date

    2016-02-04

  • Closed date

    2016-03-16

  • Last modified date

    2017-03-01

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    UI36259 UI36261

Modules/Macros

  • EZAMLCNF EZAMLCFP EZAMLCON EZAMLCFG EZAMLCAT EZAMLMN  EZAMLCFM
    

Fix information

  • Fixed component name

    TCP/IP V3 MVS

  • Fixed component ID

    5655HAL00

Applicable component levels

  • R210 PSY UI36259

       UP16/04/19 P F604

  • R220 PSY UI36261

       UP16/04/19 P F604

Fix is available

  • Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.



Document information

More support for: z/OS family

Software version: 210

Reference #: PI56614

Modified date: 01 March 2017