HP Tru64 UNIX and TruCluster Server Version 5.1B-5 Patch Summary and Release Notes (March 2009)

3.2.2.6 Do Not Use dxarchiver to Verify Bootable Tape
Do not use dxarchiver command to verify a bootable tape. Instead, use the mt and
restore commands as follows:
# mt fsf 1
# restore -i <device>
The first command skips the first file on the tape.
When preparing for a btcreate session, verify the size of the file system to ensure
that you have sufficient tape volumes, depending on the maximum storage capacity
of your tape device. The btcreate command prompts you to load a new tape volume
if it runs out of storage space. Label the tapes in sequence.
3.2.2.7 securenets File Requires localhost Entry
If the /var/yp/securenets file is in use as part of NIS, it must contain the following
localhost entry:
255.255.255.255 127.0.0.1
If the /var/yp/securenets file is used without a localhost entry you will see severe
delays on logins. See ypserv(8) for more information.
3.2.2.8 SIA sialog Use Limitation Required
The Security Integration Architecture (SIA) sialog logging process is only intended
for use in debugging SIA problems. It should not be enabled for extended periods of
time. Doing so can cause login delays or other problems.
Use the audit subsystem to monitor authentications on the system, not the sialog
process
To disable sialog debug logging, delete the /var/adm/sialog file. For more
information, see the sialog(4) and sia_log(3) reference pages and the Tru64 UNIX Security
Programming manual.
Note that when used in a TruCluster Server cluster, the sialog file is a cluster-wide
file.
3.2.2.9 Change to executable_data Attribute Requires Running Script
Prior to setting the tunable attribute executable_data to a non-zero value, you must
run the following script:
# /usr/sbin/javaexecutedata
3.2.2.10 Potential Security Vulnerability Identified
The industry standard TCP specification, RFC793, has a vulnerability in which an
attacker can reset established TCP connections using the TCP RST (Reset) or SYN
(Synchronize) flags.
3.2 Prior Release Notes 65