Trigger :When pf service is restarted
Error messages :
# /etc/rc.d/pf restart Disabling pf pf disabled . Enabling pf no IP address found for lo1:network /etc/pf.conf:4: could not parse host specification no IP address found for lo1:network /etc/pf.conf:5: could not parse host specification pfctl: Syntax error in config file: pf rules not loaded pf enabled .
Side Effect :When running "Ports Jail" terminal with portsnap or installation, it will failed because there's not internet connection present.
Why :The interface "lo1:network" is missing due to abnormal shutdown of "portjail" service.
Also, for documentation or presentation, we tend to use mock up domain, server or host name. How to make sure that server, domain or host name is not in used?
In RFC 2606, there are domain names that serve this purpose :