Individual patches for HP-UX, MPE/iX, and HP firmware can be downloaded
from the HP IT Resource Center (ITRC):

ITRC web site, Americas / Asia Pacific
======================================
URL:       <http://us.itrc.hp.com/>
Alt URL 1: <http://www1.itrc.hp.com/>
Alt URL 2: <http://www2.itrc.hp.com/>
Note:      Go to "maintenance / support" -> "patching" ->
           "individual patches"

ITRC ftp site, Americas / Asia Pacific
======================================
URL:       <ftp://ftp.itrc.hp.com/>
             - or -
           <ftp://us-ffs.external.hp.com/>

ITRC web site, European
=======================
URL:       <http://europe.itrc.hp.com/>
Alt URL 1: <http://itrc.hp.com/>
Alt URL 2: <http://www4.itrc.hp.com/>

Note:      Go to "maintenance / support" -> "patching" ->
           "individual patches"

ITRC ftp site, European
=======================
URL:       <ftp://europe-ffs.external.hp.com/>

HP-UX Support Plus patch bundles can be downloaded from the HP Software
Depot web site:

  o <http://www.hp.com/go/softwareinfo/SUPPORT_PLUS>

There are three varieties of patch bundles available:

  o General Release
      + tested sets of HP-UX core patches
      + superset of Hardware/Critical bundle
      + formerly known as eXtension SoftWare (XSW)
  o Hardware/Critical
      + hardware-enablement & critical OS patches only
      + subset of General Release Bundle
      + formerly known as Independent Peripheral Release (IPR)
  o Quality Pack (QPK)
      + contains defect fixes and performance enhancements
      + some patches in the QPK are also in the General Release bundle,
        and others are not