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Changes for 1.3.6

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git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@180 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep 2002-08-06 20:45:44 +00:00
parent f8832018d2
commit ede4e38db2
9 changed files with 92 additions and 32 deletions
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8
Samples/one-interface/interfaces
View File

@ -35,7 +35,9 @@
# following:
#
# dhcp - interface is managed by DHCP or used by
# a DHCP server running on the firewall.
# a DHCP server running on the firewall or
# you have a static IP but are on a LAN
# segment with lots of Laptop DHCP clients.
# noping - icmp echo-request (ping) packets
# addressed to the firewall should
# be ignored on this interface
@ -65,7 +67,9 @@
# addresses and you want to be able to
# route between them.
# routefilter - turn on kernel route filtering for this
# interface (anti-spoofing measure).
# interface (anti-spoofing measure). This
# option can also be enabled globally in
# the /etc/shorewall/shorewall.conf file.
# dropunclean - Logs and drops mangled/invalid packets
#
# logunclean - Logs mangled/invalid packets but does

2
Samples/one-interface/policy
View File

@ -35,7 +35,7 @@
# As shipped, the default policies are:
#
# a) All connections from the local network to the internet are allowed
# b) All connections from the network are ignored but logged at syslog
# b) All connections from the internet are ignored but logged at syslog
# level KERNEL.INFO.
# d) All other connection requests are rejected and logged at level
# KERNEL.INFO.

83
Samples/one-interface/shorewall.conf
View File

@ -9,26 +9,35 @@
# (c) 1999,2000,2001,2002 - Tom Eastep (teastep@shorewall.net)
##############################################################################
#
# NAME OF THE FIREWALL ZONE
#
# Name of the firewall zone -- if not set or if set to an empty string, "fw"
# is assumed.
#
FW=fw
#
# SUBSYSTEM LOCK FILE
#
# Set this to the name of the lock file expected by your init scripts. For
# RedHat, this should be /var/lock/subsys/shorewall. On Debian, it
# should be /var/state/shorewall. If your init scripts don't use lock files,
# set -this to "".
# set this to "".
#
SUBSYSLOCK=/var/lock/subsys/shorewall
#
# SHOREWALL TEMPORARY STATE DIRECTORY
#
# This is the directory where the firewall maintains state information while
# it is running
#
STATEDIR=/var/lib/shorewall
#
# ALLOW RELATED CONNECTIONS
#
# Set this to "yes" or "Yes" if you want to accept all connection requests
# that are related to already established connections. For example, you want
@ -39,6 +48,8 @@ STATEDIR=/var/lib/shorewall
ALLOWRELATED=yes
#
# KERNEL MODULE DIRECTORY
#
# If your netfilter kernel modules are in a directory other than
# /lib/modules/`uname -r`/kernel/net/ipv4/netfilter then specify that
@ -46,6 +57,8 @@ ALLOWRELATED=yes
MODULESDIR=
#
# LOG RATE LIMITING
#
# The next two variables can be used to control the amount of log output
# generated. LOGRATE is expressed as a number followed by an optional
@ -54,22 +67,35 @@ MODULESDIR=
# maximum initial burst size that will be logged. If set empty, the default
# value of 5 will be used.
#
# Example:
#
# LOGRATE=10/minute
# LOGBURST=5
#
# If BOTH variables are set empty then logging will not be rate-limited.
#
LOGRATE=
LOGBURST=
#
# LEVEL AT WHICH TO LOG 'UNCLEAN' PACKETS
#
# This variable determines the level at which Mangled/Invalid packets are logged
# under the 'dropunclean' interface option. If you set this variable to an
# empty value (e.g., LOGUNCLEAN= ), Mangled/Invalid packets will be dropped
# silently.
#
# The value of this variable also determines the level at which Mangled/Invalid
# packets are logged under the 'logunclean' interface option. If the variable
# is empty, these packets will still be logged at the 'info' level.
#
LOGUNCLEAN=info
#
# LOG FILE LOCATION
#
# This variable tells the /sbin/shorewall program where to look for Shorewall
# log messages. If not set or set to an empty string (e.g., LOGFILE="") then
# /var/log/messages is assumed.
@ -83,7 +109,7 @@ LOGUNCLEAN=info
LOGFILE=/var/log/messages
#
# Enable nat support.
# ENABLE NAT SUPPORT
#
# You probally want yes here. Only gateways not doing NAT in any form, like
# SNAT,DNAT masquerading, port forwading etc. should say "no" here.
@ -91,7 +117,7 @@ LOGFILE=/var/log/messages
NAT_ENABLED=Yes
#
# Enable mangle support.
# ENABLE MANGLE SUPPORT
#
# If you say "no" here, Shorewall will ignore the /etc/shorewall/tos file
# and will not initialize the mangle table when starting or stopping
@ -101,7 +127,7 @@ NAT_ENABLED=Yes
MANGLE_ENABLED=Yes
#
# Enable IP Forwarding
# ENABLE IP FORWARDING
#
# If you say "On" or "on" here, IPV4 Packet Forwarding is enabled. If you
# say "Off" or "off", packet forwarding will be disabled. You would only want
@ -113,26 +139,27 @@ MANGLE_ENABLED=Yes
# enable nor disable packet forwarding.
#
IP_FORWARDING=Off
#
# Automatically add IP Aliases
# AUTOMATICALLY ADD NAT IP ADDRESSES
#
# If you say "Yes" or "yes" here, Shorewall will automatically add IP aliases
# If you say "Yes" or "yes" here, Shorewall will automatically add IP addresses
# for each NAT external address that you give in /etc/shorewall/nat. If you say
# "No" or "no", you must add these aliases youself.
#
ADD_IP_ALIASES=Yes
#
# Automatically add SNAT Aliases
# AUTOMATICALLY ADD SNAT IP ADDRESSES
#
# If you say "Yes" or "yes" here, Shorewall will automatically add IP aliases
# If you say "Yes" or "yes" here, Shorewall will automatically add IP addresses
# for each SNAT external address that you give in /etc/shorewall/masq. If you say
# "No" or "no", you must add these aliases youself.
#
ADD_SNAT_ALIASES=No
#
# Enable Traffic Shaping
# ENABLE TRAFFIC SHAPING
#
# If you say "Yes" or "yes" here, Traffic Shaping is enabled in the firewall. If
# you say "No" or "no" then traffic shaping is not enabled. If you enable traffic
@ -142,7 +169,7 @@ ADD_SNAT_ALIASES=No
TC_ENABLED=No
#
# Blacklisting
# BLACKLIST DISPOSITION
#
# Set this variable to the action that you want to perform on packets from
# Blacklisted systems. Must be DROP or REJECT. If not set or set to empty,
@ -151,7 +178,7 @@ TC_ENABLED=No
BLACKLIST_DISPOSITION=DROP
#
# Blacklist Logging
# BLACKLIST LOG LEVEL
#
# Set this variable to the syslogd level that you want blacklist packets logged
# (beward of DOS attacks resulting from such logging). If not set, no logging
@ -160,7 +187,7 @@ BLACKLIST_DISPOSITION=DROP
BLACKLIST_LOGLEVEL=
#
# MSS Clamping
# MSS CLAMPING
#
# Set this variable to "Yes" or "yes" if you want the TCP "Clamp MSS to PMTU"
# option. This option is most commonly required when your internet
@ -189,17 +216,19 @@ BLACKLIST_LOGLEVEL=
CLAMPMSS=No
#
# Route Filtering
# ROUTE FILTERING
#
# Set this variable to "Yes" or "yes" if you want kernel route filtering on all
# interfaces (anti-spoofing measure).
#
# If this variable is not set or is set to the empty value, "No" is assumed.
# In that case, you can still enable route filtering on individual interfaces
# in the /etc/shorewall/interfaces file.
ROUTE_FILTER=No
#
# NAT before RULES
# NAT BEFORE RULES
#
# Shorewall has traditionally processed static NAT rules before port forwarding
# rules. If you would like to reverse the order, set this variable to "No".
@ -208,7 +237,7 @@ ROUTE_FILTER=No
NAT_BEFORE_RULES=Yes
# MULTIPORT
# MULTIPORT support
#
# If your kernel includes the multiport match option
# (CONFIG_IP_NF_MATCH_MULTIPORT), you may enable it's use here. When this
@ -228,7 +257,7 @@ NAT_BEFORE_RULES=Yes
MULTIPORT=No
# DNAT IP Address Detection
# DNAT IP ADDRESS DETECTION
#
# Normally when Shorewall encounters the following rule:
#
@ -259,7 +288,8 @@ MULTIPORT=No
DETECT_DNAT_IPADDRS=No
# Merge Hosts File
#
# MERGE HOSTS FILE
#
# The traditional behavior of the /etc/shorewall/hosts file has been that
# if that file has ANY entry for a zone then the zone must be defined
@ -292,7 +322,7 @@ DETECT_DNAT_IPADDRS=No
MERGE_HOSTS=Yes
#
# Mutex Timeout
# MUTEX TIMEOUT
#
# The value of this variable determines the number of seconds that programs
# will wait for exclusive access to the Shorewall lock file. After the number
@ -306,4 +336,17 @@ MERGE_HOSTS=Yes
MUTEX_TIMEOUT=60
#
# LOGGING 'New not SYN' rejects
#
# When a TCP packet that does not have the SYN flag set and the ACK and RST
# flags clear then unless the packet is part of an established connection,
# it will be rejected by the firewall. If you want these rejects logged,
# then set LOGNEWNOTSYN to the syslog log level at which you want them logged.
#
# Example: LOGNEWNOTSYN=debug
LOGNEWNOTSYN=
#LAST LINE -- DO NOT REMOVE

8
Samples/three-interfaces/interfaces
View File

@ -35,7 +35,9 @@
# following:
#
# dhcp - interface is managed by DHCP or used by
# a DHCP server running on the firewall.
# a DHCP server running on the firewall or
# you have a static IP but are on a LAN
# segment with lots of Laptop DHCP clients.
# noping - icmp echo-request (ping) packets
# addressed to the firewall should
# be ignored on this interface
@ -65,7 +67,9 @@
# addresses and you want to be able to
# route between them.
# routefilter - turn on kernel route filtering for this
# interface (anti-spoofing measure).
# interface (anti-spoofing measure). This
# option can also be enabled globally in
# the /etc/shorewall/shorewall.conf file.
# dropunclean - Logs and drops mangled/invalid packets
#
# logunclean - Logs mangled/invalid packets but does

5
Samples/three-interfaces/masq
View File

@ -57,7 +57,7 @@
#
# You add a router to your local network to connect subnet
# 192.168.1.0/24 which you also want to masquerade. You then
# add the following entry to this file:
# add a second entry for eth0 to this file:
#
# eth0 192.168.1.0/24
#
@ -76,6 +76,9 @@
#
# eth0 192.168.1.0/24 206.124.146.176
#
# This would normally be done when you have a static external
# IP address since it makes the processing of outgoing
# packets somewhat faster.
##############################################################################
#INTERFACE SUBNET ADDRESS
eth0 eth1

2
Samples/three-interfaces/policy
View File

@ -35,7 +35,7 @@
# As shipped, the default policies are:
#
# a) All connections from the local network to the internet are allowed
# b) All connections from the network are ignored but logged at syslog
# b) All connections from the internet are ignored but logged at syslog
# level KERNEL.INFO.
# d) All other connection requests are rejected and logged at level
# KERNEL.INFO.

9
Samples/two-interfaces/interfaces
View File

@ -35,7 +35,9 @@
# following:
#
# dhcp - interface is managed by DHCP or used by
# a DHCP server running on the firewall.
# a DHCP server running on the firewall or
# you have a static IP but are on a LAN
# segment with lots of Laptop DHCP clients.
# noping - icmp echo-request (ping) packets
# addressed to the firewall should
# be ignored on this interface
@ -65,7 +67,9 @@
# addresses and you want to be able to
# route between them.
# routefilter - turn on kernel route filtering for this
# interface (anti-spoofing measure).
# interface (anti-spoofing measure). This
# option can also be enabled globally in
# the /etc/shorewall/shorewall.conf file.
# dropunclean - Logs and drops mangled/invalid packets
#
# logunclean - Logs mangled/invalid packets but does
@ -116,6 +120,5 @@
# net ppp0 - noping
##############################################################################
#ZONE INTERFACE BROADCAST OPTIONS
net eth0 detect dhcp,routefilter,norfc1918
loc eth1 detect routestopped
#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE

5
Samples/two-interfaces/masq
View File

@ -57,7 +57,7 @@
#
# You add a router to your local network to connect subnet
# 192.168.1.0/24 which you also want to masquerade. You then
# add the following entry to this file:
# add a second entry for eth0 to this file:
#
# eth0 192.168.1.0/24
#
@ -76,6 +76,9 @@
#
# eth0 192.168.1.0/24 206.124.146.176
#
# This would normally be done when you have a static external
# IP address since it makes the processing of outgoing
# packets somewhat faster.
##############################################################################
#INTERFACE SUBNET ADDRESS
eth0 eth1

2
Samples/two-interfaces/policy
View File

@ -35,7 +35,7 @@
# As shipped, the default policies are:
#
# a) All connections from the local network to the internet are allowed
# b) All connections from the network are ignored but logged at syslog
# b) All connections from the internet are ignored but logged at syslog
# level KERNEL.INFO.
# d) All other connection requests are rejected and logged at level
# KERNEL.INFO.