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[people/stevee/network.git] / src / functions / functions.constants-firewall

#!/bin/bash
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2012  IPFire Network Development Team                         #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

# This variable is used to point to a directory
# in which the iptables ruleset will be generated.
IPTABLES_TMPDIR=

FIREWALL_CONFIG_DIR="/etc/firewall"
FIREWALL_ZONES_DIR="${FIREWALL_CONFIG_DIR}/zones"
FIREWALL_CONFIG_FILE="${FIREWALL_CONFIG_DIR}/config"
FIREWALL_CONFIG_RULES="${FIREWALL_CONFIG_DIR}/rules"

FIREWALL_MACROS_DIRS="${FIREWALL_CONFIG_DIR}/macros"
FIREWALL_MACROS_DIRS="${FIREWALL_MACROS_DIRS} /usr/share/firewall/macros"

# List of parameters which are saved in the configuration file.
FIREWALL_CONFIG_PARAMS=""

# Valid arguments in the rules file.
FIREWALL_RULES_CONFIG_PARAMS="src dst proto action sport dport in out"

# Define the default logging method (nflog or syslog).
FIREWALL_LOG_METHOD="nflog"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_LOG_METHOD"

# Set the default threshold for the nflog method.
FIREWALL_NFLOG_THRESHOLD=30
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_NFLOG_THRESHOLD"

# Enable clamping MSS for braindead ISPs which filter ICMP packets.
FIREWALL_CLAMP_PATH_MTU="false"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_CLAMP_PATH_MTU"

# Conntrack: Max. amount of simultaneous connections.
CONNTRACK_MAX_CONNECTIONS="16384"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} CONNTRACK_MAX_CONNECTIONS"

# Conntrack: UDP timeout
CONNTRACK_UDP_TIMEOUT="60"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} CONNTRACK_UDP_TIMEOUT"

# Use SYN cookies or not
FIREWALL_SYN_COOKIES="true"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_SYN_COOKIES"

# rp_filter
FIREWALL_RP_FILTER="true"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_RP_FILTER"

# Log martians
FIREWALL_LOG_MARTIANS="false"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_LOG_MARTIANS"

# Accept ICMP redirects
FIREWALL_ACCEPT_ICMP_REDIRECTS="false"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_ACCEPT_ICMP_REDIRECTS"

# ECN (Explicit Congestion Notification)
FIREWALL_USE_ECN="false"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_USE_ECN"

# Path MTU discovery
FIREWALL_PMTU_DISCOVERY="true"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_PMTU_DISCOVERY"

# Default TTL
FIREWALL_DEFAULT_TTL="64"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_DEFAULT_TTL"

# Log stealth scans
FIREWALL_LOG_STEALTH_SCANS="true"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_LOG_STEALTH_SCANS"

# Log packets with bad TCP flags
FIREWALL_LOG_BAD_TCP_FLAGS="true"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_LOG_BAD_TCP_FLAGS"

# Log INVALID TCP packets
FIREWALL_LOG_INVALID_TCP="true"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_LOG_INVALID_TCP"

# Log INVALID UDP packets
FIREWALL_LOG_INVALID_UDP="true"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_LOG_INVALID_UDP"

# Log INVALID ICMP packets
FIREWALL_LOG_INVALID_ICMP="true"
FIREWALL_CONFIG_PARAMS="${FIREWALL_CONFIG_PARAMS} FIREWALL_LOG_INVALID_ICMP"

FIREWALL_SUPPORTED_PROTOCOLS="tcp udp icmp igmp esp ah gre"
FIREWALL_PROTOCOLS_SUPPORTING_PORTS="tcp udp"

# Firewall zone settings.
FIREWALL_ZONE_SETTINGS="FRIEND_ZONES MASQUERADE4"

# Default values.
FIREWALL_ZONE_SETTINGS_MASQUERADE4="false"