A fix is available
APAR status
Closed as new function.
Error description
This enhancement increases the availability of the DAI TCP server. The DAI TCP server continues processing without stopping even if an invalid connection request such as a port scan is received.
Local fix
N/A
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM Tools Base for z/OS V1.6 * * (FMID: HAHN160) who use the Distributed * * Access Infrastructure. * **************************************************************** * PROBLEM DESCRIPTION: This APAR enables the DAI TCP server * * to continue running without stopping * * even if it accepts an invalid * * connection request. * **************************************************************** * RECOMMENDATION: Apply the maintenance for this APAR. * **************************************************************** The DAI TCP server terminates with ABEND U0700 when the session is disconnected during the connection process and the client cannot be identified. This can happen when accepting an invalid connection request such as an IP port scan. To avoid this unexpected termination, the DAI TCP server is enhanced to remove invalid connection requests and continue processing.
Problem conclusion
Temporary fix
Comments
APAR Information
APAR number
PH24174
Reported component name
IMS TOOLS BASE
Reported component ID
5655V9300
Reported release
160
Status
CLOSED UR1
PE
NoPE
HIPER
NoHIPER
Special Attention
YesSpecatt / New Function / Xsystem
Submitted date
2020-04-07
Closed date
2020-04-30
Last modified date
2020-06-01
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UI69282
Modules/Macros
AIINTCP
Fix information
Fixed component name
IMS TOOLS BASE
Fixed component ID
5655V9300
Applicable component levels
R160 PSY UI69282
UP20/05/21 P F005
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.
[{"Line of Business":{"code":null,"label":null},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSCJN3E","label":"IBM Tools Base"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"160"}]
Document Information
Modified date:
20 October 2020