shorewall 8 shorewall Administration tool for Shoreline Firewall (Shorewall) shorewall -options add interface[:host-list] zone shorewall -options allow address shorewall -options check -e directory shorewall -options clear shorewall -options compile -e directory pathname shorewall -options delete interface[:host-list] zone shorewall -options drop address shorewall -options dump -x -m shorewall -options export directory1 [user@]system:[directory2] shorewall -options forget filename shorewall -options help command shorewall -options hits shorewall -options ipcalc address mask address/vlsm shorewall -options iprange address1-address2 shorewall -options load -s -c directory system shorewall -options logdrop address shorewall -options logwatch -m refresh-interval shorewall -options logreject address shorewall -options refresh shorewall -options reject address shorewall -options reload -s -c directory system shorewall -options restart directory shorewall -options restore filename shorewall -options safe-restart shorewall -options safe-start shorewall -options save filename shorewall -options show -x chain shorewall -options show -f capabilities shorewall -options show actions|classifiers|connectionsconfig|macros|zones shorewall -options show -x nat|tos|mangle|nat shorewall -options show -m log shorewall -options start -f directory shorewall -options stop shorewall -options status shorewall -options try directory timeout shorewall -options version The shorewall utility is used to control the Shoreline Firewall (Shorewall). The options control the amount of output that the command produces. They consist of a sequence of the letters v and q. If the options are omitted, the amount of output is determined by the setting of the VERBOSITY parameter in shorewall.conf(5). Each v adds one to the effective verbosity and each q subtracts one from the effective VERBOSITY. The available commands are listed below. add Adds a list of hosts or subnets to a dynamic zone usually used with VPN's. The interface argument names an interface defined in the shorewall-interfaces(5) file. A host-list is comma-separated list whose elements are: A host or network address The name of a bridge port The name of a bridge port followed by a colon (:) and a host or network address allow Re-enables receipt of packets from hosts previously blacklisted by a drop, logdrop, reject, or logreject command. check Compiles the configuraton in the specified directory and discards the compiled output script. If no directory is given, then /etc/shorewall is assumed. The -e option causes the compiler to look for a file named capabilities. This file is produced using the command shorewall-lite show -f capabilities > capabities on a system with Shorewall Lite installed. clear Clear will remove all rules and chains installed by Shorewall. The firewall is then wide open and unprotected. Existing connections are untouched. Clear is often used to see if the firewall is causing connection problems. compile Compiles the current configuration into the executable file pathname. If a directory is supplied, Shorewall will look in that directory first for configuration files. When -e is specified, the compilation is being performed on a system other than where the compiled script will run. This option disables certain configuration options that require the script to be compiled where it is to be run. The use of -e requires the presense of a configuration file named capabilities which may be produced using the command shorewall-lite show -f capabilities > capabities on a system with Shorewall Lite installed delete The delete command reverses the effect of an earlier add command. drop Causes traffic from the listed addresses to be silently dropped. dump Produces a verbose report about the firewall configuration for the purpose of problem analysis. The -x option causes actual packet and byte counts to be displayed. Without that option, these counts are abbreviated. The -m option causes any MAC addresses included in Shorewall log messages to be displayed. export If directory1 is omitted, the current working directory is assumed. Allows a non-root user to compile a shorewall script and stage it on a system (provided that the user has access to the system via ssh). The command is equivalent to: /sbin/shorewall compile -e directory1 directory1/firewall &&\ scp directory1/firewall directory1/firewall.conf [user@]system:[directory2] In other words, the configuration in the specified (or defaulted) directory is compiled to a file called firewall in that directory. If compilation succeeds, then firewall and firewall.conf are copied to system using scp. forget Deletes /var/lib/shorewall/filename and /var/lib/shorewall/save. If no filename is given then the file specified by RESTOREFILE in shorewall.conf(5) is assumed. help Displays information about a particular command. If no command is given, a syntax summary is displayed. hits Generates several reports from Shorewall log messages in the current log file. ipcalc Ipcalc displays the network address, broadcast address, network in CIDR notation and netmask corresponding to the input[s]. iprange Iprange decomposes the specified range of IP addresses into the equivalent list of network/host addresses. load If directory is omitted, the current working directory is assumed. Allows a non-root user to compile a shorewall script and install it on a system (provided that the user has root access to the system via ssh). The command is equivalent to: /sbin/shorewall compile -e directory directory/firewall &&\ scp directory/firewall directory/firewall.conf root@system:/var/lib/shorewall-lite/ &&\ ssh root@system '/sbin/shorewall-lite start' In other words, the configuration in the specified (or defaulted) directory is compiled to a file called firewall in that directory. If compilation succeeds, then firewall is copied to system using scp. If the copy succeeds, Shorewall Lite on system is started via ssh. If -s is specified and the start command succeeds, then the remote Shorewall-lite configuration is saved by executing shorewall-lite save via ssh. if -c is included, the command shorewall-lite show capabilities -f > /var/lib/shorewall-lite/capabilities is executed via ssh then the generated file is copied to directory using scp. This step is performed before the configuration is compiled. logdrop Causes traffic from the listed addresses to be logged then discarded. logwatch Monitors the log file specified by theLOGFILE option in shorewall.conf(5) and produces an audible alarm when new Shorewall messages are logged. The -m option causes the MAC address of each packet source to be displayed if that information is available. logreject Causes traffic from the listed addresses to be logged then rejected. refresh The rules involving the the black list, ECN control rules, and traffic shaping are recreated to reflect any changes made to your configuration files. Existing connections are untouched. reload If directory is omitted, the current working directory is assumed. Allows a non-root user to compile a shorewall script and install it on a system (provided that the user has root access to the system via ssh). The command is equivalent to: /sbin/shorewall compile -e directory directory/firewall &&\ scp directory/firewall directory/firewall.conf root@system:/var/lib/shorewall-lite/ &&\ ssh root@system '/sbin/shorewall-lite restart' In other words, the configuration in the specified (or defaulted) directory is compiled to a file called firewall in that directory. If compilation succeeds, then firewall is copied to system using scp. If the copy succeeds, Shorewall Lite on system is restarted via ssh. If -s is specified and the restart command succeeds, then the remote Shorewall-lite configuration is saved by executing shorewall-lite save via ssh. if -c is included, the command shorewall-lite show capabilities -f > /var/lib/shorewall-lite/capabilities is executed via ssh then the generated file is copied to directory using scp. This step is performed before the configuration is compiled. reset All the packet and byte counters in the firewall are reset. restart Restart is similar to shorewall stop followed by shorewall start. Existing connections are maintained. If a directory is included in the command, Shorewall will look in that directory first for configuration files. restore Restore Shorewall to a state saved using the shorewall save command. Existing connections are maintained. The filename names a restore file in /var/lib/shorewall created using shorewall save; if no filename is given then Shorewall will be restored from the file specified by the RESTOREFILE option in shorewall.conf(5). safe-restart Only allowed if Shorewall is running. The current configuration is saved in /var/lib/shorewall/safe-restart (see the save command below) then a shorewall restart is done. You will then be prompted asking if you want to accept the new configuration or not. If you answer "n" or if you fail to answer within 60 seconds (such as when your new configuration has disabled communication with your terminal), the configuration is restored from the saved configuration. safe-start Shorewall is started normally. You will then be prompted asking if everything went all right. If you answer "n" or if you fail to answer within 60 seconds (such as when your new configuration has disabled communication with your terminal), a shorewall clear is performed for you. save The dynamic blacklist is stored in /var/lib/shorewall/save. The state of the firewall is stored in /var/lib/shorewall/filename for use by the shorewall restore and shorewall -f start commands. If filename is not given then the state is saved in the file specified by the RESTOREFILE option in shorewall.conf(5). show The show command can have a number of different arguments: [ chain ] ... Using the iptables -L chain -n -v command, the rules in each chain are displayed. If no chain is given, all of the chains in the filter table are displayed. The -x option is passed directly through to iptables. capabilities Displays your kernel/iptables capabilities. The -f option causes the display to be formatted as a capabilities file for use with compile -e. connections Displays the IP connections currently being tracked by the firewall. /etc/shorewall/ shorewall-accounting(5), shorewall-actions(5), shorewall-blacklist(5), shorewall-hosts(5), shorewall-interfaces(5), shorewall-ipsec(5), shorewall-maclist(5), shorewall-masq(5), shorewall-nat(5), shorewall-netmap(5), shorewall-params(5), shorewall-policy(5), shorewall-providers(5), shorewall-proxyarp(5), shorewall-route_rules(5), shorewall-routestopped(5), shorewall-rules(5), shorewall.conf(5), shorewall-tcclasses(5), shorewall-tcdevices(5), shorewall-tcrules(5), shorewall-tos(5), shorewall-tunnels(5), shorewall-zones(5)