IC88908: *.FORCEREMOTEDNS PROPERTY IS NOT WORKING FOR SFTP COMMUNICATION

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APAR status

  • Closed as program error.

Error description

  • *.forceRemoteDNS property is not working for SFTP
    communication. SI is doing reverse IP lookup causing SFTP
    Client Begin Session Service taking more time to complete
    

Local fix

Problem summary

  • Users Affected:
    All SFTP Client Users
    
    Problem Description:
    SFTP Client Begin Sessionm Service takes long time apprx 30 secs
    to complete
    We saw the issue becuase of DNS reverse lookup operation which
    was going for the HotstKeyValidation for Maveric while
    exchanging the Key
    
    Platforms Affected:
    All
    

Problem conclusion

  • SFTP slowness is seen during DNS reverse lookup operation
    
    Resolution Summary:
    Reverse lookup operation from Address to IP conversion was
    costly operation which was slowing down the SFTP begin session,
    So modified to go for DNS lookup by passing the IP instead of
    Hostname, with this reverse DNS lookup does not take place,
    which can again improve the performance.
    Performance improved from 30s to min of 2s in the customer
    system
    We tested SFTP communication with both IP and Hostname
    configured on the profile.. It is working with Internal and
    external perimeter servers configured.
    
    Delivered In:
    5020403
    

Temporary fix

Comments

  • Waiting for review
    

APAR Information

  • APAR number

    IC88908

  • Reported component name

    STR B2B INTEGRA

  • Reported component ID

    5725D0600

  • Reported release

    523

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-12-06

  • Closed date

    2013-01-01

  • Last modified date

    2013-01-01

  • 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

  • R524 PSY

       UP



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Document information


More support for:

Sterling B2B Integrator

Software version:

5.2.3

Reference #:

IC88908

Modified date:

2013-01-01

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