FreeBSD way of installing old version from ports tree

[Simon Jolle]

Hi FreeBSD users

Currently in /usr/ports/sysutils/syslog-ng there is version syslog-ng
1.6.12. I need version syslog-ng 1.6.5 (the same as in production
environment) to test configuration changes.

Is there an archive of the ports tree? Whats the FreeBSD way to
install this old version integrated in the rest of the system?

cheers
Simon

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XMPP: sjolle at swissjabber.org