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1991-01-04
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TECHNICAL BULLETIN
Bulletin 278
January 3, 1991
Essential Patches to NetWare 386 v3.10 rev. A
Several patches have been released for NetWare 386 v3.10 rev. A, which are
considered essential for the operating system's optimum functionality.
Each of these patches should be loaded at every installation of NetWare 386
v3.10 rev. A. (See Technical Bulletin 277 for an explanation of patch
types)
The following list identifies and describes the patch and provides, in
parentheses, the filename on NetWire to download.
CACHEFIX.NLM is a semi-static patch that corrects the caching problem.
Under heavy usage when data is read from cache before the cache is
written to the disk, the data read could result in the return of
erroneous data. If cached data is read and rewritten to cache, the
corruption would be saved to disk. If the data is not changed in
cache, the data will be saved correctly. This problem exists
primarily with random access applications (for example, database
servers). (CACHFX.ZIP)
FIXOPEN.NLM is a dynamic patch that overrides the Read Only security of
v3.10a, providing pre-v3.10a access functionality. In NetWare
versions previous to NetWare 386 v3.10 rev. A, a file flagged with
Read Only rights could be opened by applications using a Read/Write
open DOS call. This deficiency was corrected in the v3.10a security
enhancements. However, many applications are written using file open
calls requiring Read and Write rights. If these applications are used
with v3.10a, the errors "File not found" or "Access denied" may appear
when attempting to open files flagged as Read Only. (FXOPEN.ZIP)
PASSFIX.NLM is a dynamic patch that corrects a very rare security
shortcoming which has been identified by Novell. This patch is for
NetWare 386 v3.10 rev. A servers. For most Novell customers who have
intruder detection set on, this security weakness will not pose a
problem. Novell recommends that all customers turn intruder detection
on. If a customer has greater concerns for security, this corrective
patch should be applied. (SEC386.ZIP)
WDOGFIX.NLM is a semi-static patch that corrects a problem where the server
comes to an abnormal end with the message "Abend: Total sprintf string
length was too long (Error code 00000000)." This Abend could occur at
any time, but occurs more frequently if the console parameter "Console
display watchdog logouts = ON" was set. This patch also fixes a
problem that displays invalid characters or user names on the console
screen when the watchdog clears a user's connection. (WDOGFX.ZIP)