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Update my configuration information

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git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@2691 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
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teastep 2005-09-16 21:04:25 +00:00
parent 09541c7260
commit 4c7a14265c
1 changed files with 186 additions and 220 deletions
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Shorewall-docs2/myfiles.xml
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@ -15,7 +15,7 @@
</author> </author>
</authorgroup> </authorgroup>
<pubdate>2005-09-12</pubdate> <pubdate>2005-09-16</pubdate>
<copyright> <copyright>
<year>2001-2005</year> <year>2001-2005</year>
@ -48,7 +48,7 @@
<caution> <caution>
<para>The configuration shown here corresponds to Shorewall version <para>The configuration shown here corresponds to Shorewall version
2.2.0. My configuration uses features not available in earlier Shorewall 4.5.5. My configuration uses features not available in earlier Shorewall
releases.</para> releases.</para>
</caution> </caution>
@ -165,25 +165,30 @@
<title>Shorewall.conf</title> <title>Shorewall.conf</title>
<blockquote> <blockquote>
<programlisting>LOGFILE=/var/log/ulog/syslogemu.log <programlisting>STARTUP_ENABLED=Yes
LOGFORMAT="Shorewall:%s:%s " LOGFILE=/var/log/messages
LOGFORMAT="Shorewall:%s:%s:"
LOGTAGONLY=No
LOGRATE= LOGRATE=
LOGBURST= LOGBURST=
LOGUNCLEAN=$LOG LOGALLNEW=
BLACKLIST_LOGLEVEL= BLACKLIST_LOGLEVEL=
LOGNEWNOTSYN=$LOG LOGNEWNOTSYN=$LOG
MACLIST_LOG_LEVEL=$LOG MACLIST_LOG_LEVEL=$LOG
TCP_FLAGS_LOG_LEVEL=$LOG TCP_FLAGS_LOG_LEVEL=$LOG
RFC1918_LOG_LEVEL=$LOG RFC1918_LOG_LEVEL=$LOG
SMURF_LOG_LEVEL= SMURF_LOG_LEVEL=$LOG
BOGON_LOG_LEVEL=$LOG
LOG_MARTIANS=No
IPTABLES= IPTABLES=
PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin PATH=/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin
SHOREWALL_SHELL=/bin/dash SHOREWALL_SHELL=/bin/dash
SUBSYSLOCK= SUBSYSLOCK=
STATEDIR=/var/state/shorewall STATEDIR=/var/lib/shorewall
MODULESDIR= MODULESDIR=
CONFIG_PATH=/etc/shorewall:/etc/shorewall/actiondir:/usr/share/shorewall CONFIG_PATH=/etc/shorewall:/usr/share/shorewall
RESTOREFILE=standard RESTOREFILE=standard
IPSECFILE=zones
FW=fw FW=fw
IP_FORWARDING=On IP_FORWARDING=On
ADD_IP_ALIASES=Yes ADD_IP_ALIASES=Yes
@ -197,11 +202,18 @@ ROUTE_FILTER=No
DETECT_DNAT_IPADDRS=Yes DETECT_DNAT_IPADDRS=Yes
MUTEX_TIMEOUT=60 MUTEX_TIMEOUT=60
NEWNOTSYN=Yes NEWNOTSYN=Yes
ADMINISABSENTMINDED=Yes
BLACKLISTNEWONLY=Yes BLACKLISTNEWONLY=Yes
DELAYBLACKLISTLOAD=Yes DELAYBLACKLISTLOAD=No
DYNAMIC_ZONES=No MODULE_SUFFIX=
DISABLE_IPV6=Yes DISABLE_IPV6=Yes
BRIDGING=No
PKTTYPE=No PKTTYPE=No
RFC1918_STRICT=Yes
MACLIST_TTL=60
SAVE_IPSETS=Yes
MAPOLDACTIONS=No
FASTACCEPT=No
BLACKLIST_DISPOSITION=DROP BLACKLIST_DISPOSITION=DROP
MACLIST_DISPOSITION=REJECT MACLIST_DISPOSITION=REJECT
TCP_FLAGS_DISPOSITION=DROP</programlisting> TCP_FLAGS_DISPOSITION=DROP</programlisting>
@ -212,14 +224,14 @@ TCP_FLAGS_DISPOSITION=DROP</programlisting>
<title>Params File (Edited)</title> <title>Params File (Edited)</title>
<blockquote> <blockquote>
<para><programlisting>MIRRORS=&lt;list of shorewall mirror ip addresses&gt; <para><programlisting>NTPSERVERS=&lt;list of NTP server IP addresses&gt;
NTPSERVERS=&lt;list of the NTP servers I sync with&gt; POPSERVERS=&lt;list of external POP3 servers accessed by fetchmail running on the DMZ server&gt;
POPSERVERS=&lt;list of POP3 servers that I get mail from using 'fetchmail' on the DMZ server&gt; LOG=info
LOG=ULOG
WIFI_IF=eth0 WIFI_IF=eth0
EXT_IF=eth2 EXT_IF=eth2
INT_IF=eth3 INT_IF=eth3
DMZ_IF=eth1</programlisting></para> DMZ_IF=eth1
OMAK=&lt;ip address of the gateway at our second home&gt;</programlisting></para>
</blockquote> </blockquote>
</section> </section>
@ -227,13 +239,14 @@ DMZ_IF=eth1</programlisting></para>
<title>Zones File</title> <title>Zones File</title>
<blockquote> <blockquote>
<programlisting>#ZONE DISPLAY COMMENTS <programlisting>#ZONE TYPE OPTTIONS IN OUT
net Internet Internet # OPTIONS OPTIONS
dmz DMZ Demilitarized zone net
loc Local Local networks dmz
Wifi Wireless Wirewall Network loc
sec Secure Secure Wireless Zone vpn
vpn OpenVPN Open VPN Clients Wifi
sec ipsec mode=tunnel mss=1400
#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE #LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE
</programlisting> </programlisting>
</blockquote> </blockquote>
@ -247,11 +260,11 @@ vpn OpenVPN Open VPN Clients
up my Ethernet interfaces.</para> up my Ethernet interfaces.</para>
<programlisting>#ZONE INTERFACE BROADCAST OPTIONS <programlisting>#ZONE INTERFACE BROADCAST OPTIONS
net $EXT_IF 206.124.146.255 dhcp,norfc1918,routefilter,logmartians,blacklist,tcpflags,nosmurfs net $EXT_IF 206.124.146.255 dhcp,norfc1918,logmartians,blacklist,tcpflags,nosmurfs,arp_filter
loc $INT_IF 192.168.1.255 dhcp loc $INT_IF detect dhcp,routeback
dmz $DMZ_IF - dmz $DMZ_IF -
vpn tun+ - vpn tun+ -
Wifi $WIFI_IF - maclist,dhcp Wifi $WIFI_IF - dhcp,maclist
#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE</programlisting> #LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE</programlisting>
</blockquote> </blockquote>
</section> </section>
@ -267,44 +280,37 @@ sec $EXT_IF:0.0.0.0/0
</blockquote> </blockquote>
</section> </section>
<section>
<title>Ipsec File</title>
<para><blockquote>
<para>Note the mss=1400 IN option. This causes TCP connections
originating in the secure wireless zone to have their MSS set to
1400 so that misconfigured routers on the internet don't cause
problems with non-fragmentable packets larger than that.</para>
<programlisting>#ZONE IPSEC OPTIONS IN OUT
# ONLY OPTIONS OPTIONS
sec Yes mode=tunnel mss=1400
#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE</programlisting>
</blockquote></para>
</section>
<section> <section>
<title>Routestopped File</title> <title>Routestopped File</title>
<blockquote> <blockquote>
<programlisting>#INTERFACE HOST(S) <programlisting>#INTERFACE HOST(S) OPTIONS
$DMZ_IF 206.124.146.177 $DMZ_IF 206.124.146.177 source
$INT_IF - $INT_IF - source,dest
$WIFI_IF 192.168.3.0/24 $WIFI_IF - source,dest
#LAST LINE -- ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE</programlisting> #LAST LINE -- ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE</programlisting>
</blockquote> </blockquote>
</section> </section>
<section> <section>
<title>Blacklist File (Partial)</title> <title>Providers File</title>
<blockquote>
<programlisting>#NAME NUMBER MARK DUPLICATE INTERFACE GATEWAY OPTIONS COPY
Blarg 1 1 main $EXT_IF 206.124.146.254 track,balance=1 $INT_IF,$DMZ_IF,$WIFI_IF,tun0
#LAST LINE -- ADD YOUR ENTRIES ABOVE THIS LINE -- DO NOT REMOVE
</programlisting>
</blockquote>
</section>
<section>
<title>Blacklist File</title>
<blockquote> <blockquote>
<programlisting>#ADDRESS/SUBNET PROTOCOL PORT <programlisting>#ADDRESS/SUBNET PROTOCOL PORT
0.0.0.0/0 udp 1434 +Blacklistports[dst]
0.0.0.0/0 tcp 1433 +Blacklistnets[src,dst]
0.0.0.0/0 tcp 3127 +Blacklist[src,dst]
0.0.0.0/0 tcp 8081
0.0.0.0/0 tcp 57
#LAST LINE -- ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE</programlisting> #LAST LINE -- ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE</programlisting>
</blockquote> </blockquote>
</section> </section>
@ -342,13 +348,13 @@ sec vpn ACCEPT
vpn sec ACCEPT vpn sec ACCEPT
sec loc ACCEPT sec loc ACCEPT
loc sec ACCEPT loc sec ACCEPT
$FW sec ACCEPT fw sec ACCEPT
sec net ACCEPT sec net ACCEPT
Wifi sec NONE Wifi sec NONE
sec Wifi NONE sec Wifi NONE
$FW Wifi ACCEPT fw Wifi ACCEPT
loc vpn ACCEPT loc vpn ACCEPT
$FW loc ACCEPT $FW loc ACCEPT #Firewall to Local
loc $FW REJECT $LOG loc $FW REJECT $LOG
net all DROP $LOG 10/sec:40 net all DROP $LOG 10/sec:40
all all REJECT $LOG all all REJECT $LOG
@ -378,9 +384,10 @@ all all REJECT $LOG
address on the external interface.</para> address on the external interface.</para>
</note> </note>
<programlisting>#INTERFACE SUBNET ADDRESS <programlisting>#INTERFACE SUBNET ADDRESS PROTO PORT
+$EXT_IF::192.168.1.1 0.0.0.0/0 192.168.1.254 +$EXT_IF::192.168.1.1 0.0.0.0/0 192.168.1.254
$EXT_IF:: eth2 206.124.146.176 $EXT_IF:: 192.168.0.0/22 206.124.146.176
$DMZ_IF:: 206.124.146.176 192.168.1.254 tcp 80
#LAST LINE -- ADD YOUR ENTRIES ABOVE THIS LINE -- DO NOT REMOVE</programlisting> #LAST LINE -- ADD YOUR ENTRIES ABOVE THIS LINE -- DO NOT REMOVE</programlisting>
</blockquote> </blockquote>
</section> </section>
@ -390,8 +397,8 @@ $EXT_IF:: eth2 206.124.146.176
<blockquote> <blockquote>
<programlisting>#EXTERNAL INTERFACE INTERNAL ALL INTERFACES LOCAL <programlisting>#EXTERNAL INTERFACE INTERNAL ALL INTERFACES LOCAL
206.124.146.178 eth0:0 192.168.1.5 No No 206.124.146.178 $EXT_IF:0 192.168.1.5 No No
206.124.146.180 eth0:1 192.168.1.7 No No 206.124.146.180 $EXT_IF:1 192.168.1.6 No No
#LAST LINE -- ADD YOUR ENTRIES ABOVE THIS LINE -- DO NOT REMOVE</programlisting> #LAST LINE -- ADD YOUR ENTRIES ABOVE THIS LINE -- DO NOT REMOVE</programlisting>
</blockquote> </blockquote>
</section> </section>
@ -405,8 +412,8 @@ $EXT_IF:: eth2 206.124.146.176
linkend="debian_interfaces">/etc/network/interfaces</link>.</para> linkend="debian_interfaces">/etc/network/interfaces</link>.</para>
<programlisting>#ADDRESS INTERFACE EXTERNAL HAVEROUTE PERSISTENT <programlisting>#ADDRESS INTERFACE EXTERNAL HAVEROUTE PERSISTENT
206.124.146.177 eth1 eth0 Yes 206.124.146.177 $DMZ_IF $EXT_IF yes
192.168.1.1 eth0 eth2 yes # Allow access to DSL modem from the local zone 192.168.1.1 $EXT_IF $INT_IF yes # Allow access to DSL modem from the local zone
#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE</programlisting> #LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE</programlisting>
</blockquote> </blockquote>
</section> </section>
@ -417,6 +424,7 @@ $EXT_IF:: eth2 206.124.146.176
<blockquote> <blockquote>
<programlisting>#TYPE ZONE GATEWAY GATEWAY ZONE PORT <programlisting>#TYPE ZONE GATEWAY GATEWAY ZONE PORT
openvpn:1194 net 0.0.0.0/0 openvpn:1194 net 0.0.0.0/0
ipsec net 0.0.0.0/0 sec
openvpn:1194 Wifi 192.168.3.0/24 openvpn:1194 Wifi 192.168.3.0/24
ipsec Wifi 192.168.3.0/24 sec ipsec Wifi 192.168.3.0/24 sec
#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE</programlisting> #LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE</programlisting>
@ -429,6 +437,7 @@ ipsec Wifi 192.168.3.0/24 sec
<blockquote> <blockquote>
<programlisting>#ACTION <programlisting>#ACTION
Mirrors #Accept traffic from the Shorewall Mirror sites Mirrors #Accept traffic from the Shorewall Mirror sites
SSHKnock #Port Knocking
#LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE</programlisting> #LAST LINE - ADD YOUR ENTRIES ABOVE THIS ONE - DO NOT REMOVE</programlisting>
</blockquote> </blockquote>
</section> </section>
@ -437,55 +446,29 @@ Mirrors #Accept traffic from the Shorewall Mirror sites
<title>action.Mirrors File</title> <title>action.Mirrors File</title>
<blockquote> <blockquote>
<para>The $MIRRORS variable expands to a list of approximately 10 IP <para>The <emphasis>Mirrors</emphasis> and
addresses. So moving these checks into a separate chain reduces the <emphasis>Mirrornets</emphasis> <ulink
number of rules that most net-&gt;dmz traffic needs to url="ipsets.html">ipsets</ulink> define the set of Shorewall
traverse.</para> mirrors.</para>
<programlisting>#TARGET SOURCE DEST PROTO DEST SOURCE ORIGINAL RATE <programlisting>#TARGET SOURCE DEST PROTO DEST SOURCE ORIGINAL RATE
# PORT PORT(S) DEST LIMIT # PORT PORT(S) DEST LIMIT
ACCEPT $MIRRORS ACCEPT +Mirrors
ACCEPT +Mirrornets
#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE</programlisting> #LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE</programlisting>
</blockquote> </blockquote>
</section> </section>
<section>
<title>/etc/shorewall/action.Reject</title>
<blockquote>
<para>This is my common action for the REJECT policy. It is like the
standard <emphasis role="bold">Reject</emphasis> action except that it
allows <quote>Ping</quote> and contains one rule that guards against
log flooding by broken software running in my local zone.</para>
<programlisting>#TARGET SOURCE DEST PROTO DEST SOURCE RATE USER/
# PORT(S) PORT(S) LIMIT GROUP
RejectAuth
AllowPing
dropBcast
RejectSMB
DropUPnP
dropNotSyn
DropDNSrep
DROP loc:eth2:!192.168.1.0/24 #So that my braindead Windows[tm] XP system doesn't flood my log
#with NTP requests with a source address in 16.0.0.0/8 (address of
#its PPTP tunnel to HP).</programlisting>
</blockquote>
</section>
<section> <section>
<title>Rules File (The shell variables are set in <title>Rules File (The shell variables are set in
/etc/shorewall/params)</title> /etc/shorewall/params)</title>
<blockquote> <blockquote>
<programlisting>########################################################################################################################################################################## <programlisting>###############################################################################################################################################################################
##### #ACTION SOURCE DEST PROTO DEST SOURCE ORIGINAL RATE USER/
#RESULT CLIENT(S) SERVER(S) PROTO PORT(S) CLIENT ORIGINAL RATE USER/ # PORT PORT(S) DEST LIMIT GROUP
# PORT(S) DEST GROUP ###############################################################################################################################################################################
########################################################################################################################################################################## SECTION NEW
#####
# Local Network to Internet - Reject attempts by Trojans to call home, direct SMTP and MS Message Service
#
REJECT:$LOG loc net tcp 25 REJECT:$LOG loc net tcp 25
REJECT:$LOG loc net udp 1025:1031 REJECT:$LOG loc net udp 1025:1031
# #
@ -496,106 +479,99 @@ REJECT loc net udp
REJECT sec net tcp 137,445 REJECT sec net tcp 137,445
REJECT sec net udp 137:139 REJECT sec net udp 137:139
# #
# Stop my idiotic XP box from sending to the net with an HP source IP address # Stop my idiotic work laptop from sending to the net with an HP source/dest IP address
# #
DROP loc:!192.168.0.0/22 net DROP loc:!192.168.0.0/22 net
# DROP Wifi net:15.0.0.0/8
# SQUID DROP Wifi net:16.0.0.0/8
# ###############################################################################################################################################################################
REDIRECT loc 3128 tcp 80
##########################################################################################################################################################################
#####
# Secure zone to Internet
#
# SQUID
#
REDIRECT sec 3128 tcp 80
##########################################################################################################################################################################
#####
# Local Network to Firewall # Local Network to Firewall
# #
DROP loc:!192.168.0.0/22 $FW # Silently drop traffic with an HP source IP from my XP box DROP loc:!192.168.0.0/22 fw # Silently drop traffic with an HP source IP from my XP box
ACCEPT loc $FW tcp ssh,time,631,8080 ACCEPT loc fw tcp ssh,time,631,8080
ACCEPT loc $FW udp 161,ntp,631 ACCEPT loc fw udp 161,ntp,631
DROP loc $FW tcp 3185 #SuSE Meta pppd DROP loc fw tcp 3185 #SuSE Meta pppd
########################################################################################################################################################################## Ping/ACCEPT loc fw
##### ###############################################################################################################################################################################
# Secure wireless to Firewall # Secure wireless to Firewall
# #
ACCEPT sec $FW tcp ssh,time,631,8080 ACCEPT sec fw tcp ssh,time,631,8080
ACCEPT sec $FW udp 161,ntp,631 ACCEPT sec fw udp 161,ntp,631
DROP sec $FW tcp 3185 #SuSE Meta pppd DROP sec fw tcp 3185 #SuSE Meta pppd
########################################################################################################################################################################## Ping/ACCEPT sec fw
##### ###############################################################################################################################################################################
# Roadwarriors to Firewall # Roadwarriors to Firewall
# #
ACCEPT vpn $FW tcp ssh,time,631,8080 ACCEPT vpn fw tcp ssh,time,631,8080
ACCEPT vpn $FW udp 161,ntp,631 ACCEPT vpn fw udp 161,ntp,631
########################################################################################################################################################################## Ping/ACCEPT vpn fw
##### ###############################################################################################################################################################################
# Local Network to DMZ # Local Network to DMZ
# #
DNAT- loc dmz:206.124.146.177:3128 \
tcp www - !206.124.146.177
DROP loc:!192.168.0.0/22 dmz DROP loc:!192.168.0.0/22 dmz
ACCEPT loc dmz udp domain,xdmcp ACCEPT loc dmz udp domain,xdmcp
ACCEPT loc dmz tcp www,smtp,smtps,domain,ssh,imap,https,imaps,cvspserver,ftp,10023,pop3 - ACCEPT loc dmz tcp www,smtp,smtps,domain,ssh,imap,https,imaps,ftp,10023,pop3,3128 -
########################################################################################################################################################################## Ping/ACCEPT loc dmz
##### ###############################################################################################################################################################################
# Insecure Wireless to DMZ # Insecure Wireless to DMZ
# #
ACCEPT Wifi dmz udp domain ACCEPT Wifi dmz udp domain
ACCEPT Wifi dmz tcp domain ACCEPT Wifi dmz tcp domain
########################################################################################################################################################################## ###############################################################################################################################################################################
##### # Insecure Wireless to Internet
#
ACCEPT Wifi net udp 500
ACCEPT Wifi net udp 4500
Ping/ACCEPT Wifi net
###############################################################################################################################################################################
# Secure Wireless to DMZ # Secure Wireless to DMZ
# #
DROP sec:!192.168.0.0/22 dmz DROP sec:!192.168.0.0/22 dmz
DNAT sec dmz:206.124.146.177:3128 \
tcp www - !206.124.146.177
ACCEPT sec dmz udp domain,xdmcp ACCEPT sec dmz udp domain,xdmcp
ACCEPT sec dmz tcp www,smtp,smtps,domain,ssh,imap,https,imaps,cvspserver,ftp,10023,pop3 - ACCEPT sec dmz tcp www,smtp,smtps,domain,ssh,imap,https,imaps,ftp,10023,pop3 -
########################################################################################################################################################################## Ping/ACCEPT sec dmz
##### ###############################################################################################################################################################################
# Road Warriors to DMZ # Road Warriors to DMZ
# #
ACCEPT vpn dmz udp domain ACCEPT vpn dmz udp domain
ACCEPT vpn dmz tcp www,smtp,smtps,domain,ssh,imap,https,imaps,cvspserver,ftp,10023,pop3 - ACCEPT vpn dmz tcp www,smtp,smtps,domain,ssh,imap,https,imaps,ftp,10023,pop3 -
########################################################################################################################################################################## Ping/ACCEPT vpn dmz
##### ###############################################################################################################################################################################
# Internet to ALL -- drop NewNotSyn packets # Internet to ALL -- drop NewNotSyn packets
# #
dropNotSyn net $FW tcp dropNotSyn net fw tcp
dropNotSyn net loc tcp dropNotSyn net loc tcp
dropNotSyn net dmz tcp dropNotSyn net dmz tcp
###############################################################################################################################################################################
#
# Drop ping to firewall and local
#
DropPing net fw
DropPing net loc
##########################################################################################################################################################################
#####
# Internet to DMZ # Internet to DMZ
# #
DNAT- net dmz:206.124.146.177 tcp www - 206.124.146.179
DNAT- net dmz:206.124.146.177 tcp smtp - 206.124.146.178 DNAT- net dmz:206.124.146.177 tcp smtp - 206.124.146.178
ACCEPT net dmz tcp smtp,smtps,www,ftp,imaps,domain,https,cvspserver -
ACCEPT net dmz udp domain ACCEPT net dmz udp domain
ACCEPT net dmz tcp smtps,www,ftp,imaps,domain,https -
ACCEPT net dmz tcp smtp - 206.124.146.177,206.124.146.178
ACCEPT net dmz udp 33434:33454 ACCEPT net dmz udp 33434:33454
Mirrors net dmz tcp rsync Mirrors net dmz tcp rsync
ACCEPT net:$OMAK dmz tcp 22 #SSH from Omak ACCEPT net dmz tcp 22
AllowPing net dmz Ping/ACCEPT net dmz
########################################################################################################################################################################## ###############################################################################################################################################################################
#####
# #
# Net to Local # Net to Local
# #
# When I'm "on the road", the following two rules allow me VPN access back home using PPTP. # When I'm "on the road", the following two rules allow me VPN access back home using PPTP.
# #
DNAT net loc:192.168.1.4 tcp 1723 - DNAT net loc:192.168.1.4 tcp 1729
DNAT net loc:192.168.1.4 gre - DNAT net loc:192.168.1.4 gre
ACCEPT net loc:192.168.1.5 tcp 22 ACCEPT net:$OMAK loc:192.168.1.5 tcp 22
# #
# ICQ # ICQ
# #
ACCEPT net loc:192.168.1.5 tcp 4000:4100 ACCEPT net loc:192.168.1.5 tcp 113,4000:4100
# #
# Real Audio # Real Audio
# #
@ -613,65 +589,69 @@ ACCEPT net loc:192.168.1.5 udp
# Silently Handle common probes # Silently Handle common probes
# #
REJECT net loc tcp www,ftp,https REJECT net loc tcp www,ftp,https
########################################################################################################################################################################## DROP net loc icmp 8
##### ###############################################################################################################################################################################
# DMZ to Internet # DMZ to Internet
# #
ACCEPT dmz net tcp smtp,domain,www,81,https,whois,echo,2702,21,2703,ssh,8080
ACCEPT dmz net udp domain,ntp ACCEPT dmz net udp domain,ntp
ACCEPT dmz net tcp smtp,domain,www,81,https,whois,echo,2702,21,2703,ssh,8080,cvspserver
REJECT:$LOG dmz net udp 1025:1031 REJECT:$LOG dmz net udp 1025:1031
ACCEPT dmz net:$POPSERVERS tcp pop3 ACCEPT dmz net:$POPSERVERS tcp pop3
# #
# Some FTP clients insist on sending the PORT command in two separate packets. The FTP
# connection tracker in the kernel cannot parse the command and therefore cannot set
# up the proper expectations. We thus allow all outbound tcp traffic from local port 20
# but log it so we can keep an eye on it.
# #
ACCEPT:$LOG dmz net tcp 1024: 20 # OpenVPN
########################################################################################################################################################################## #
##### ACCEPT net loc:192.168.1.5 udp 1194
#
# Silently Handle common probes
#
REJECT net loc tcp www,ftp,https
DROP net loc icmp 8
###############################################################################################################################################################################
# DMZ to Firewall -- ntp &amp; snmp, Silently reject Auth # DMZ to Firewall -- ntp &amp; snmp, Silently reject Auth
# #
ACCEPT dmz $FW udp ntp ntp ACCEPT dmz fw udp ntp ntp
ACCEPT dmz $FW tcp 161,ssh ACCEPT dmz fw tcp 161,ssh
ACCEPT dmz $FW udp 161 ACCEPT dmz fw udp 161
REJECT dmz $FW tcp auth REJECT dmz fw tcp auth
########################################################################################################################################################################## Ping/ACCEPT dmz fw
##### ###############################################################################################################################################################################
# DMZ to Local Network # DMZ to Local Network
# #
ACCEPT dmz loc tcp smtp,6001:6010 ACCEPT dmz loc tcp smtp,6001:6010
ACCEPT dmz:206.124.146.177 loc:192.168.1.5 tcp 111 ACCEPT dmz:206.124.146.177 loc:192.168.1.5,192.168.1.3 tcp 111
ACCEPT dmz:206.124.146.177 loc:192.168.1.5 udp ACCEPT dmz:206.124.146.177 loc:192.168.1.5,192.168.1.3 udp
########################################################################################################################################################################## Ping/ACCEPT dmz loc
##### ###############################################################################################################################################################################
# Internet to Firewall # Internet to Firewall
# #
REJECT net $FW tcp www,ftp,https REJECT net fw tcp www,ftp,https
DROP net fw icmp 8
ACCEPT net dmz udp 33434:33454 ACCEPT net dmz udp 33434:33454
ACCEPT net:$OMAK $FW udp ntp ACCEPT net:$OMAK fw udp ntp
ACCEPT net:$OMAK $FW tcp 22 #SSH from Omak ACCEPT net fw tcp auth
########################################################################################################################################################################## SSHKnock:info net fw tcp 22,4320,4321,4322
##### ###############################################################################################################################################################################
# Firewall to Internet # Firewall to Internet
# #
ACCEPT $FW net:$NTPSERVERS udp ntp ntp ACCEPT fw net:$NTPSERVERS udp ntp ntp
#ACCEPT $FW net:$POPSERVERS tcp pop3 #ACCEPT fw net:$POPSERVERS tcp pop3
ACCEPT $FW net udp domain ACCEPT fw net udp domain
ACCEPT $FW net tcp domain,www,https,ssh,1723,whois,1863,ftp,2702,2703,7 ACCEPT fw net tcp domain,www,https,ssh,1723,whois,1863,ftp,2702,2703,7
ACCEPT $FW net udp 33435:33535 ACCEPT fw net udp 33435:33535
ACCEPT $FW net icmp ACCEPT fw net icmp
REJECT:$LOG $FW net udp 1025:1031 REJECT:$LOG fw net udp 1025:1031
DROP $FW net udp ntp DROP fw net udp ntp
########################################################################################################################################################################## Ping/ACCEPT fw net
##### ###############################################################################################################################################################################
# Firewall to DMZ # Firewall to DMZ
# #
ACCEPT $FW dmz tcp www,ftp,ssh,smtp,993,465 ACCEPT fw dmz tcp www,ftp,ssh,smtp,993,465
ACCEPT $FW dmz udp domain ACCEPT fw dmz udp domain
REJECT $FW dmz udp 137:139 REJECT fw dmz udp 137:139
########################################################################################################################################################################## Ping/ACCEPT fw dmz
##### #LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE
#LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE</programlisting> #LAST LINE -- ADD YOUR ENTRIES BEFORE THIS ONE -- DO NOT REMOVE</programlisting>
</blockquote> </blockquote>
</section> </section>
@ -722,20 +702,6 @@ iface eth3 inet static
</blockquote> </blockquote>
</section> </section>
<section>
<title>/etc/ulogd.conf</title>
<para>This is the default /etc/ulogd.conf from the Debian package. Only
the relevant entries are shown.</para>
<blockquote>
<programlisting># where to write to
syslogfile /var/log/ulog/syslogemu.log
# do we want to fflush() the file after each write?
syslogsync 1</programlisting>
</blockquote>
</section>
<section> <section>
<title>/etc/racoon/racoon.conf</title> <title>/etc/racoon/racoon.conf</title>