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Security and other patches for AIX. Note that this is an FTP site.
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You need the "fixdist" program to install AIX patches.
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Security bulletins and technical briefs that provide information to customers.
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Advisories and patches.
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Patches and advisories for Cisco products
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Security bulletins and hotfixes for Citrix products
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Patches and advisories for most Compaq products.
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Details of current and archive security advisories. Includes mailing list and a security FAQ.
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Advisories, mailing lists, tips, tricks, guidelines, links.
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Security advisories and patches.
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Patch Security Matrix, list of obsolete patches, patch checksums.
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Americas/Asia-Pacific site offering online support. Includes knowledge base, patches, drivers and security mailing lists.
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Security advisories and associated patches.
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Only if you've built KDE yourself; otherwise probably available from your linux distribution vendor's patches directory. Note this is an FTP site.
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Download security updates, service packs, and anti-spyware tools for Windows.
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Technical and how-to information about security for IT professionals, developers and those new to security.
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Advisories, patches, links.
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Security alerts for netscape client and server software.
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Official OpenBSD security advisories.
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the OpenBSD CD errata page
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Patches and other security information.
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Security advisories and updates (patches) for all supported versions.
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Alerts, whitepapers, articles, presentations, and tools.
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Security information for Caldera OpenLinux, OpenServer, OpenUnix, and UnixWare.
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Advisories and patches. Note this is an FTP site.
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Security advisories and patch downloads. Includes mailing list.
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Patches directories for all supported versions, plus a security announcements list (English).
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Security and recommended patches for Solaris: patch clusters and individual patches.