allowservices inbound tcp \
ssh \
ident
+allowservices inbound udp \
+ udpkey
## We have to provide NTP service. The guests sync to our clock.
ntpclient inbound $ntp_servers
+## Provide NTP service to untrusted clients.
+run ip46tables -A inbound-untrusted -p udp -j ACCEPT \
+ --source-port 123 --destination-port 123
+
m4_divert(-1)
###----- That's all, folks --------------------------------------------------