This document addresses the support for the PortSentry,
Logcheck/LogSentry, and HostSentry products which were originally developed and
distributed by Psionic Technologies (which was acquired by Cisco Systems in
For more information on document conventions, see the
Used in Cisco Technical Tips.
What are PortSentry, Logcheck/LogSentry, and HostSentry?
A. The Sentry tools provide host-level security services for the UNIX
platform. PortSentry, Logcheck/LogSentry, and HostSentry protect against
portscans, automate log file auditing, and detect suspicious login activity on
a continuous basis.
Does Cisco support PortSentry and the other Sentry Tools?
A. No, Cisco does not support the PortSentry and the
other Sentry Tools.
This software has been released to the open source community following
the acquisition of Psionic Technologies by Cisco Systems in 2002
Please do not contact Cisco Technical Support because they cannot offer
you support assistance. If you have questions or require assistance, please
direct them within SourceForge and the open source community.
Where can I go for the latest version and for other Sentry Tool support
A. Refer to the
Sentry Tools Summary Page
for the latest file releases, documentation,
and support questions.