From Fedora Project Wiki
Description
This test case cover DNS-over-SSL when standard DNS port 53 is blocked.
Setup
Block DNS queries except to localhost to simulate restricted network environment.
iptables -A OUTPUT -o lo -j ACCEPT
iptables -A OUTPUT -p tcp --dport 53 -j REJECT --reject-with icmp-admin-prohibited
iptables -A OUTPUT -p udp --dport 53 -j REJECT --reject-with icmp-admin-prohibited
How to test
- Run:
dig @127.0.0.1 fedoraproject.org SOA +dnssec
- Browse web, open your favorite webpages.
Expected Results
- You should get output containing "ANSWER SECTION" without any error.
- Web should work flawlessly.