m4_divert(86)m4_dnl
## Externally visible services.
allowservices inbound tcp \
- finger ident \
+ ident \
ssh \
- smtp submission \
- gnutella_svc \
- ftp ftp_data \
- rsync \
- imaps \
- disorder mpd \
- http https squid \
- git \
tor_public tor_directory i2p
allowservices inbound udp \
tripe \
dnsserver inbound
ntpclient inbound $ntp_servers
+## Provide NTP service to untrusted clients.
+iptables -A inbound -p udp -j ACCEPT \
+ --source-port 123 --destination-port 123 \
+ -s 172.29.198.0/23
+ip6tables -A inbound -p udp -j ACCEPT \
+ --source-port 123 --destination-port 123 \
+ -s 2001:470:9740::/48
+
m4_divert(-1)
###----- That's all, folks --------------------------------------------------