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bpfire/lfs/configroot
Peter Müller 8269c8319c firewall: Make logging of conntrack INVALIDs configureable 
In theory, logging of dropped packets classified by conntrack as being
INVALID should never be disabled, since one wants to have a paper trail
of what his/her firewall is doing.

However, conntrack seems to drop a lot of (at the first glance
legitimate) packets, hence bloating the logs, making spotting the
important firewall hits more difficult.

This patch therefore adds the option to disable logging of packets being
dropped by conntrack due to INVALID state.

Please note:
- This patch does not add this category to the firewall hits graph.
- The variables in this patch ("LOGDROPCTINVALID") should make it clear
  that it is about toggling _logging_, not the actual _dropping_. Other
  variables are still in need of being renamed to clarify this, which
  will be done in a dedicated patch.
- Also, the changes made to update.sh need to take place in
  config/rootfiles/core/164/update.sh for "master", since this patch has
  been developed against "next". Kindly cherry-pick the necessary
  changes.

Partially fixes: #12778

Reported-by: Arne Fitzenreiter <arne.fitzenreiter@ipfire.org>
Signed-off-by: Peter Müller <peter.mueller@ipfire.org>
2022-02-18 22:40:55 +00:00

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###############################################################################
# #
# IPFire.org - A linux based firewall #
# Copyright (C) 2007-2021 IPFire Team <info@ipfire.org> #
# #
# 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/>. #
# #
###############################################################################
###############################################################################
# Definitions
###############################################################################
include Config
VER = ipfire
THISAPP = configroot
DIR_APP = $(DIR_SRC)/$(THISAPP)
TARGET = $(DIR_INFO)/$(THISAPP)
###############################################################################
# Top-level Rules
###############################################################################
install : $(TARGET)
check :
download :
md5 :
###############################################################################
# Installation Details
###############################################################################
$(TARGET) :
@$(PREBUILD)
# Create all directories
for i in addon-lang auth backup ca captive certs connscheduler crls ddns dhcp dhcpc dns dnsforward \
ethernet extrahd/bin fwlogs fwhosts firewall isdn key langs logging mac main \
menu.d modem optionsfw \
ovpn patches pakfire portfw ppp private proxy/advanced/cre \
proxy/calamaris/bin qos/bin red remote sensors suricata time \
updatexlrator/bin updatexlrator/autocheck urlfilter/autoupdate urlfilter/bin vpn \
wakeonlan wireless ; do \
mkdir -p $(CONFIG_ROOT)/$$i; \
done
# Touch empty files
for i in auth/users backup/include.user backup/exclude.user \
captive/settings captive/agb.txt captive/clients captive/voucher_out certs/index.txt certs/index.txt.attr ddns/config ddns/settings ddns/ipcache dhcp/settings \
dhcp/fixleases dhcp/advoptions dhcp/dhcpd.conf.local dns/settings dns/servers dnsforward/config ethernet/aliases ethernet/settings ethernet/known_nics ethernet/scanned_nics \
ethernet/wireless extrahd/scan extrahd/devices extrahd/partitions extrahd/settings firewall/settings firewall/config firewall/locationblock firewall/input firewall/outgoing \
fwhosts/customnetworks fwhosts/customhosts fwhosts/customgroups fwhosts/customservicegrp fwhosts/customlocationgrp fwlogs/ipsettings fwlogs/portsettings \
isdn/settings mac/settings main/hosts main/routing main/security main/settings optionsfw/settings \
ovpn/ccd.conf ovpn/ccdroute ovpn/ccdroute2 pakfire/settings portfw/config ppp/settings-1 ppp/settings-2 ppp/settings-3 ppp/settings-4 \
ppp/settings-5 ppp/settings proxy/settings proxy/squid.conf proxy/advanced/settings proxy/advanced/cre/enable remote/settings qos/settings qos/classes qos/subclasses qos/level7config qos/portconfig \
qos/tosconfig suricata/settings vpn/config vpn/settings vpn/ipsec.conf \
vpn/ipsec.secrets vpn/caconfig wakeonlan/clients.conf wireless/config wireless/settings; do \
touch $(CONFIG_ROOT)/$$i; \
done
# Copy initial configfiles
cp $(DIR_SRC)/config/cfgroot/header.pl $(CONFIG_ROOT)/
cp $(DIR_SRC)/config/cfgroot/general-functions.pl $(CONFIG_ROOT)/
cp $(DIR_SRC)/config/cfgroot/network-functions.pl $(CONFIG_ROOT)/
cp $(DIR_SRC)/config/cfgroot/location-functions.pl $(CONFIG_ROOT)/
cp $(DIR_SRC)/config/cfgroot/ids-functions.pl $(CONFIG_ROOT)/
cp $(DIR_SRC)/config/cfgroot/lang.pl $(CONFIG_ROOT)/
cp $(DIR_SRC)/config/cfgroot/countries.pl $(CONFIG_ROOT)/
cp $(DIR_SRC)/config/cfgroot/graphs.pl $(CONFIG_ROOT)/
cp $(DIR_SRC)/config/cfgroot/modem-lib.pl $(CONFIG_ROOT)/
cp $(DIR_SRC)/config/cfgroot/advoptions-list $(CONFIG_ROOT)/dhcp/advoptions-list
cp $(DIR_SRC)/config/cfgroot/connscheduler-lib.pl $(CONFIG_ROOT)/connscheduler/lib.pl
cp $(DIR_SRC)/config/cfgroot/connscheduler.conf $(CONFIG_ROOT)/connscheduler
cp $(DIR_SRC)/config/extrahd/* $(CONFIG_ROOT)/extrahd/bin/
cp $(DIR_SRC)/config/cfgroot/sensors-settings $(CONFIG_ROOT)/sensors/settings
cp $(DIR_SRC)/config/menu/* $(CONFIG_ROOT)/menu.d/
cp $(DIR_SRC)/config/cfgroot/modem-defaults $(CONFIG_ROOT)/modem/defaults
cp $(DIR_SRC)/config/cfgroot/modem-settings $(CONFIG_ROOT)/modem/settings
cp $(DIR_SRC)/config/cfgroot/proxy-acl $(CONFIG_ROOT)/proxy/acl-1.4
cp $(DIR_SRC)/config/qos/* $(CONFIG_ROOT)/qos/bin/
cp $(DIR_SRC)/config/cfgroot/main-settings $(CONFIG_ROOT)/main/settings
cp $(DIR_SRC)/config/cfgroot/manualpages $(CONFIG_ROOT)/main/
cp $(DIR_SRC)/config/cfgroot/ssh-settings $(CONFIG_ROOT)/remote/settings
cp $(DIR_SRC)/config/cfgroot/time-settings $(CONFIG_ROOT)/time/settings
cp $(DIR_SRC)/config/cfgroot/logging-settings $(CONFIG_ROOT)/logging/settings
cp $(DIR_SRC)/config/cfgroot/ethernet-vlans $(CONFIG_ROOT)/ethernet/vlans
cp $(DIR_SRC)/langs/list $(CONFIG_ROOT)/langs/
cp $(DIR_SRC)/config/firewall/convert-xtaccess /usr/sbin/convert-xtaccess
cp $(DIR_SRC)/config/firewall/convert-outgoingfw /usr/sbin/convert-outgoingfw
cp $(DIR_SRC)/config/firewall/convert-dmz /usr/sbin/convert-dmz
cp $(DIR_SRC)/config/firewall/convert-portfw /usr/sbin/convert-portfw
cp $(DIR_SRC)/config/firewall/firewall-policy /usr/sbin/firewall-policy
cp $(DIR_SRC)/config/fwhosts/icmp-types $(CONFIG_ROOT)/fwhosts/icmp-types
cp $(DIR_SRC)/config/fwhosts/customservices $(CONFIG_ROOT)/fwhosts/customservices
cp $(DIR_SRC)/config/fwhosts/customservices $(CONFIG_ROOT)/fwhosts/customservices.default
# Oneliner configfiles
echo "ENABLED=off" > $(CONFIG_ROOT)/vpn/settings
echo "01" > $(CONFIG_ROOT)/certs/serial
echo "nameserver 1.2.3.4" > $(CONFIG_ROOT)/ppp/fake-resolv.conf
echo "DROPNEWNOTSYN=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "DROPINPUT=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "DROPFORWARD=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "FWPOLICY=DROP" >> $(CONFIG_ROOT)/optionsfw/settings
echo "FWPOLICY1=DROP" >> $(CONFIG_ROOT)/optionsfw/settings
echo "FWPOLICY2=DROP" >> $(CONFIG_ROOT)/optionsfw/settings
echo "DROPPORTSCAN=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "DROPOUTGOING=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "DROPSAMBA=off" >> $(CONFIG_ROOT)/optionsfw/settings
echo "DROPPROXY=off" >> $(CONFIG_ROOT)/optionsfw/settings
echo "SHOWREMARK=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "SHOWCOLORS=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "SHOWTABLES=off" >> $(CONFIG_ROOT)/optionsfw/settings
echo "SHOWDROPDOWN=off" >> $(CONFIG_ROOT)/optionsfw/settings
echo "DROPWIRELESSINPUT=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "DROPWIRELESSFORWARD=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "DROPSPOOFEDMARTIAN=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "DROPHOSTILE=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "LOGDROPCTINVALID=on" >> $(CONFIG_ROOT)/optionsfw/settings
echo "POLICY=MODE2" >> $(CONFIG_ROOT)/firewall/settings
echo "POLICY1=MODE2" >> $(CONFIG_ROOT)/firewall/settings
echo "USE_ISP_NAMESERVERS=on" >> $(CONFIG_ROOT)/dns/settings
echo "TREE=$(PAKFIRE_TREE)" >> $(CONFIG_ROOT)/pakfire/settings
# Install snort to suricata converter.
cp $(DIR_SRC)/config/suricata/convert-snort /usr/sbin/convert-snort
cp $(DIR_SRC)/config/suricata/convert-ids-modifysids-file /usr/sbin/convert-ids-modifysids-file
cp $(DIR_SRC)/config/suricata/convert-ids-multiple-providers /usr/sbin/convert-ids-multiple-providers
# set converters executable
chmod 755 /usr/sbin/convert-*
# Make extrahd.pl executable
chmod 755 /var/ipfire/extrahd/bin/extrahd.pl
# Modify variables in header.pl
sed -i -e "s+CONFIG_ROOT+$(CONFIG_ROOT)+g" \
-e "s+VERSION+$(VERSION)+g" \
$(CONFIG_ROOT)/header.pl
# Modify variables in general-functions.pl
sed -i -e "s+CONFIG_ROOT+$(CONFIG_ROOT)+g" \
-e "s+VERSION+$(VERSION)+g" \
$(CONFIG_ROOT)/general-functions.pl
# Modify CONFIG_ROOT in lang.pl
sed -i -e "s+CONFIG_ROOT+$(CONFIG_ROOT)+g" \
$(CONFIG_ROOT)/lang.pl
# Language files
cp $(DIR_SRC)/langs/*/cgi-bin/*.pl $(CONFIG_ROOT)/langs/
# Configroot permissions
chown -R nobody:nobody $(CONFIG_ROOT)
chown root:root $(CONFIG_ROOT)
for i in backup/ *.pl addon-lang/ langs/ ; do \
chown -R root:root $(CONFIG_ROOT)/$$i; \
done
chown -Rv root:root $(CONFIG_ROOT)/*/bin
chown root:nobody $(CONFIG_ROOT)/dhcpc
@$(POSTBUILD)
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