pfSense

The process which writes out the /var/dhcpd/etc/dhcpd.conf file just before starting dhcpd is configuring the forward and reverse lookup IP to IPv6 addresses. This causes the dhpd to fail on start with:

php: : The command '/usr/local/sbin/dhcpd -user dhcpd -group _dhcp -chroot /var/dhcpd -cf /etc/dhcpd.conf -pf /var/run/dhcpd.pid bridge0' returned exit code '1', the output was 'Internet Systems Consortium DHCP Server 4.2.4-P2 Copyright 2004-2012 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ /etc/dhcpd.conf line 25: expecting semicolon. primary 2001: ^ /etc/dhcpd.conf line 28: expecting semicolon. primary 2001: ^ Configuration file errors encountered -- exiting If you did not get this software from ftp.isc.org, please get the latest from ftp.isc.org and install that before requesting help. If you did get this software from ftp.isc.org and have not yet read the README, please read it before requesting help. If you intend to request help from the dhcp-server@isc.org mailing list, please read the section on the README about submitting bug reports and requests for help. Please do not un