IBM Support

IT14151: CONNECTIONS TO SFTP SERVER ADAPTER FAILS WITH GROUP OUT OF RANGE AFTER UPGRADE TO OPEN SSH CLIENT

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APAR status

  • Closed as program error.

Error description

  • SI: 5020500_9
    SFG: 2020500_9
    Database: Oracle 11g
    OS: Linux
    
    openSSH connection to IBM Sterling B2B Integrator fails with
    error:
    
    DH_GEX group out of range: 1536 !< 1024 !< 8192
    Couldn't read packet: Connection reset by peer
    

Local fix

  • STRRTC - 492979
    PdO/ PdO
    Circumvention:
    Run the openSSH sftp command using the -o option to specify the
    compatible key exchange algorithm, see example below:
    
     sftp -vvv -oPort=22222
    -oKexAlgorithms=diffie-hellman-group14-sha1 localhost
    

Problem summary

  • Users Affected:
    All
    
    PROBLEM DESCRIPTION:
    openSSH connection to SFTP Server Adapter fails with group out
    of range.
    
    Platforms Affected:
    All
    

Problem conclusion

  • RESOLUTION SUMMARY:
    A code fix is provided.
    
    Delivered In:
    5020601_2
    5020500_13
    5020603
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT14151

  • Reported component name

    STR B2B INTEGRA

  • Reported component ID

    5725D0600

  • Reported release

    525

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-03-07

  • Closed date

    2016-04-14

  • Last modified date

    2017-03-22

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

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

Fix information

  • Fixed component name

    STR B2B INTEGRA

  • Fixed component ID

    5725D0600

Applicable component levels

  • R526 PSY

       UP

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Document Information

Modified date:
22 March 2017