diff options
Diffstat (limited to 'roles/common/templates/etc')
| -rw-r--r-- | roles/common/templates/etc/iptables/services.j2 | 4 | ||||
| -rw-r--r-- | roles/common/templates/etc/ntp.conf.j2 | 14 |
2 files changed, 12 insertions, 6 deletions
diff --git a/roles/common/templates/etc/iptables/services.j2 b/roles/common/templates/etc/iptables/services.j2 index 3a470fa..db7edf1 100644 --- a/roles/common/templates/etc/iptables/services.j2 +++ b/roles/common/templates/etc/iptables/services.j2 @@ -1,31 +1,33 @@ # {{ ansible_managed }} # Do NOT edit this file directly! # # direction protocol destination port source port # (in|out|inout)[46]? (tcp|udp|..) (port|port:port|port,port) (port|port:port|port,port) out tcp 80,443 # HTTP/HTTPS out udp 53 # DNS out udp 67 # DHCP - {% if 'NTP-master' in group_names %} +in udp 123 # NTP +out udp 123 # NTP +{% else %} out udp 123 123 # NTP {% endif %} in tcp {{ ansible_ssh_port|default('22') }} # SSH {% if 'LDAP-provider' in group_names %} in tcp 636 # LDAPS {% elif 'MX' in group_names or 'lists' in group_names %} out tcp 636 # LDAPS {% endif %} {% if 'MX' in group_names %} in tcp 25 # SMTP out tcp {{ postfix_instance.IMAP.port }} out tcp {{ postfix_instance.lists.port }} {% endif %} {% if 'out' in group_names %} in tcp {{ postfix_instance.out.port }} out tcp 25 # SMTP {% else %} out tcp {{ postfix_instance.out.port }} {% endif %} diff --git a/roles/common/templates/etc/ntp.conf.j2 b/roles/common/templates/etc/ntp.conf.j2 index 96cc16c..d46ba18 100644 --- a/roles/common/templates/etc/ntp.conf.j2 +++ b/roles/common/templates/etc/ntp.conf.j2 @@ -5,55 +5,59 @@ driftfile /var/lib/ntp/ntp.drift # Enable this if you want statistics to be logged. #statsdir /var/log/ntpstats/ statistics loopstats peerstats clockstats filegen loopstats file loopstats type day enable filegen peerstats file peerstats type day enable filegen clockstats file clockstats type day enable # You do need to talk to an NTP server or two (or three). {% if 'NTP-master' in group_names %} # Use Stratum One Time Servers: # http://support.ntp.org/bin/view/Servers/StratumOneTimeServers server ntp1.sp.se iburst server ntp2.sp.se iburst server ntp2.gbg.netnod.se iburst server ntp1.sth.netnod.se iburst server ntp2.sth.netnod.se iburst {% else %} -# Sychronize to our (stratum 2) NTP server through IPSec, to ensure our -# network has a consistent time. -server ntp.fripost.org iburst +# Sychronize to our (stratum 2) NTP server, to ensure our network has a +# consistent time. +# TODO: use to pubkey authentication to unsure an attacker doesn't +# impersonate our NTP server and gives us incorrect time. +server ntp.fripost.org iburst +server 0.se.pool.ntp.org iburst +server 1.se.pool.ntp.org iburst {% endif %} # Access control configuration; see /usr/share/doc/ntp-doc/html/accopt.html for # details. The web page <http://support.ntp.org/bin/view/Support/AccessRestrictions> # might also be helpful. # # Note that "restrict" applies to both servers and clients, so a configuration # that might be intended to block requests from certain clients could also end # up blocking replies from your own upstream servers. # By default, exchange time with everybody, but don't allow configuration. -restrict -4 default kod notrap nomodify nopeer noquery -restrict -6 default kod notrap nomodify nopeer noquery +restrict -4 default limited kod nomodify notrap nopeer noquery +restrict -6 default limited kod nomodify notrap nopeer noquery # Local users may interrogate the ntp server more closely. restrict 127.0.0.1 restrict ::1 # Clients from this (example!) subnet have unlimited access, but only if # cryptographically authenticated. #restrict 192.168.123.0 mask 255.255.255.0 notrust # If you want to provide time to your local subnet, change the next line. # (Again, the address is an example only.) #broadcast 192.168.123.255 # If you want to listen to time broadcasts on your local subnet, de-comment the # next lines. Please do this only if you trust everybody on the network! #disable auth #broadcastclient |