filterdns does not resolve hostnames with a network mask
On a network alias where a hostname is used with a subnetmask this will not correctly work for filterdns.
The alias contains 2 entries, 1st 127.0.0.1/32 as a dummy, 2nd is hostname/32.
Below is the output I gathered from the shell.
- more /var/etc/filterdns.conf
hostname/32 = ext_management
- pfctl -t ext_management -T show
- ps auxw |grep filterdns
root 45003 0.0 0.7 4608 1664 ?? Is 10:46PM 0:00.01 /usr/local/sbin/filterdns /tmp/filterdns.pid 300 /var/etc/filterdns. #
#1 Updated by Seth Mos over 9 years ago
Added the extra parameter "3" for debugging to the filterdns startup in filter.inc.Now it logs this:
- clog /var/log/system.log | grep -i filterdns
Dec 22 22:52:33 lutjebroek filterdns: Found hostname leaf.dnsalias.org with netmask 32.
Dec 22 22:52:33 lutjebroek filterdns: host_dns: could not parse "leaf.dnsalias.org": hostname nor servname provided, or not known
Dec 22 22:52:33 lutjebroek filterdns: Found -1 entries for leaf.dnsalias.org
Dec 22 22:52:33 lutjebroek filterdns: Not cleaning table ext_management host leaf.dnsalias.org.
Indeed DNS did not work because the system was missing a default route.