/etc/zentyal/firewall.conf is in zentyal-firewall 2.3.9+quantal1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | # firewall.conf - configuration file for zentyal-firewall
#
# This file contains the most basic settings, most other stuff is configured
# using the web interface.
#
# Everything after a '#' character is ignored
#
# All whitespace is ignored
#
# Config keys are set this way:
#
# key = value
#
# They may contain comments at the end:
#
# key = value # this is ignored
# Limit of logged packets per minute.
iptables_log_limit = 50
# Burst
iptables_log_burst = 10
# Logs all the drops
iptables_log_drops = yes
# Extra iptables modules to load
# Each module should be sperated by a comma, you can include module parameters
iptables_modules = nf_conntrack_ftp, nf_nat_ftp, nf_conntrack_h323, nf_nat_h323, nf_conntrack_pptp, nf_nat_pptp, nf_conntrack_sip, nf_nat_sip
# Enable source NAT, if your router does NAT you can disable it
nat_enabled = yes
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