DOCUMENT:Q240761 04-SEP-1999 [sna] TITLE :LUA Security Does Not Apply to TN3270 LUA LUs PRODUCT :Microsoft SNA Server PROD/VER:WINDOWS:4.0,4.0 SP1,4.0 SP2,4.0 SP3 OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft SNA Server, versions 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3 ------------------------------------------------------------------------------- SUMMARY ======= On the Security tab of the SNA Server subdomain, an LUA check box exists to allow user-validated security for LUA applications. However, this does not apply to TN3270 LUA LUs. Even though TN3270 LUA LUs can be assigned to users in SNA Server Manager, no user validation will occur. MORE INFORMATION ================ TN3270 uses Telnet to communicate between the client and the server by encapsulating 3270 data in Telnet sessions to the TN3270 Service. Telnet is a TCP/IP protocol that uses IP addressing to determine the source and destination of packets. No user credentials are passed to the TN3270 Service for validation. REFERENCES ========== Q190446 Restricting Access to TN3270 LUs Additional query words: ====================================================================== Keywords : Technology : kbAudDeveloper kbSNAServSearch kbSNAServ400 kbSNAServ400SP1 kbSNAServ400SP2 kbSNAServ400SP3 Version : WINDOWS:4.0,4.0 SP1,4.0 SP2,4.0 SP3 ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 1999.