What's New in V5R4?
The major enhancements to i5/OS NetServer in i5/OS V5R4 are briefly listed below.
| GA Function | Description |
|---|---|
| Threading support | To increase performance, i5/OS NetServer now supports the use of a pool of threads to process client requests. The new QZLSFILET job handles threaded requests. |
| Opportunistic locks | Clients have the option of caching application requests to reduce nework traffic and server overhead. |
| Message authentication/signing support | For more secure communications between the client and server, i5/OS NetServer now supports connection request signing. Signing requests provides improved protection from the following types of attacks: connection hijacking, downgrade attack, rogue server and spoofing by counterfeit servers, active message modification, and replay attacks. |
| LAN Manager password hash | Can now be enabled using iSeries Navigator or the i5/OS NetServer APIs. When enabled, it allows Windows clients to authenticate with the less secure (not case sensitive) LAN Manager password hash even if the more secure (case Sensitive) NT password hash is also provided and does not match. |
| Windows-style messages | Can now be enabled using iSeries Navigator or the i5/OS NetServer APIs. When enabled, the server can alert users who are running Microsoft Messenger or similar service using the iSeries Navigator graphical user interface (GUI). |
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