MF55851 - OSP-COMM-TCPIP-OTHER-UNPRED TCP TIMESTAMP OPTION

TYPE PROGRAM  REL  NUMBER   MIN/MAX  OPTION
---- -------- ---  -------  -------  ------
PRE  5770999  710  MF52888   00/00    0000
CO   5770999  710  MF55850   00/00    0000



NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
use system memory addresses not generated by the IBM translator,
including programs that circumvent control technology designed to limit
interactive capacity to purchased levels.  This PTF may be a prerequisite
for future PTFs.  By applying this PTF you authorize and agree to the
foregoing.

This PTF is subject to the terms of the 'IBM License Agreement for Machine
Code', the terms of which were provided in a printed document that was
delivered with the machine.

SUBJECT TO ANY WARRANTIES WHICH CAN NOT BE EXCLUDED OR EXCEPT AS EXPLICITLY
AGREED TO IN THE APPLICABLE LICENSE AGREEMENT OR AN APPLICABLE SUPPORT
AGREEMENT, IBM MAKES NO WARRANTIES OR CONDITIONS EITHER EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON INFRINGEMENT,
REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
Provide the ability to disable TCP timestamp responses and
window scaling defined in RFC1323.

CORRECTION FOR APAR MA42179 :
-----------------------------
Options were added to the ipconfig Advanced Analysis command
available through System Service Tools (STRSST).

To change the settings with the STRSST command, use the
following steps:
Open a character-based interface.
On the command line, type STRSST.
Type your service tools user name and password.
Select option 1 (Start a service tool).
Select option 4 (Display/Alter/Dump).
Select option 1 (Display/Alter storage).
Select option 2 (Licensed Internal Code (LIC) data).
Select option 14 (Advanced Analysis).
Select option 1 (IPCONFIG).
Specify option '-h' to display configuration options.

CIRCUMVENTION FOR APAR MA42179 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


None.


Default Instructions

THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   MF54194      LIC-COMM-TCPIP Repeated TCP26A2 SSM error messages received
   MF52889      LIC-COMM-TCPIP-CFG new ipconfig macro options
   MF51735      LIC-COMM-TCPIP-WAIT DEADLOCK
   MF49394      LIC-COMM-TCPIP Support RFC 5746
   MF48092      OSP-COMM-TCPIP-OTHER-INCORROUT IGMP and MLD issues

Summary Information

System i Support