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The Shibboleth 2.x software has reached its End of Life and is no longer supported. This documentation is available for historical purposes only. See the IDP30 and SP3 wiki spaces for current documentation on the supported versions.

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Configuring Debian or Ubuntu To Run a Servlet Container as Non-Root

Tomcat 6, 7, 8

For recent releases of Debian and Ubuntu the tomcat<n> package includes a dependency on the authbind package and a default authbind configuration that allows the Tomcat container to bind to ports < 1024 without running the whole JVM as root user.

To leverage the authbind configuration edit the configuration file /etc/default/tomcat<n> and set (at the very end)

AUTHBIND=yes

See this Debian Administrator article or check the man page for authbind.

For example binding to port 443 one would need:

touch /etc/authbind/byport/443
chmod 0755 /etc/authbind/byport/443 
chown tomcat8:tomcat8 /etc/authbind/byport/443 # or tomcat<n>:tomcat<n> for your version