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Add 'dhcp' option for IPv6
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@9005 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
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teastep
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@ -1,3 +1,7 @@
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Changes in Shorewall 4.3.2
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1) Added 'dhcp' option.
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Changes in Shorewall 4.3.1
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1) Allow addresses in rules to be enclosed in square brackets.
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@ -1,32 +1,18 @@
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Shorewall 4.3.1
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Shorewall 4.3.2
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----------------------------------------------------------------------------
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R E L E A S E 4 . 3 H I G H L I G H T S
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----------------------------------------------------------------------------
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1) Support is included for IPv6.
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Problems Corrected in 4.3.1
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Problems Corrected in 4.3.2
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1) Shorewall6 parsing of the hosts file HOSTS column has been
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corrected.
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None.
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Other changes in 4.3.1
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Other changes in 4.3.2
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1) It is now permitted to enclose addresses in [] even when an
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interface name is not specified.
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Example:
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ACCEPT net:[2001:1::1] $FW
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2) The Socket6 perl module is only required now if DNS names appear in
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your Shorewall6 configuration files.
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3) Shorewall6 now recognizes IPv4 addresses embedded in the IPv6
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address space (e.g., ::ffff:192.168.1.3).
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4) IP_FORWARDING has been added back into shorewall6.conf and works
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like the corresponding option in Shorewall.
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1) The 'dhcp' option has been added to accomodate IPv6 DHCP (UDP ports
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546 and 547).
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Migration Issues.
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@ -64,6 +50,7 @@ New Features in Shorewall 4.3
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blacklist
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bridge
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dhcp
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optional
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routeback
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sourceroute
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@ -93,8 +80,14 @@ New Features in Shorewall 4.3
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The HOSTS column in /etc/shorewall6/hosts also uses this
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convention:
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#ZONE HOSTS OPTIONS
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chat6 eth0:[2001:19f0:feee::dead:beef:cafe]
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#ZONE HOSTS OPTIONS
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chat6 eth0:[2001:19f0:feee::dead:beef:cafe]
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Even when an interface is not specified, it is permitted to
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enclose addresses in [] to improve readability. Example:
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#ACTION SOURCE DEST
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ACCEPT net:[2001:1::1] $FW
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g) There are currently no Shorewall6 or Shorewall6-lite manpages.
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@ -516,25 +516,21 @@ EOF
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emit 'do_iptables -A OUTPUT -o lo -j ACCEPT' unless $config{ADMINISABSENTMINDED};
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if ( $family == F_IPV4 ) {
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my $interfaces = find_interfaces_by_option 'dhcp';
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my $interfaces = find_interfaces_by_option 'dhcp';
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if ( @$interfaces ) {
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my $ports = $family == F_IPV4 ? '67:68' : '546:547';
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for my $interface ( @$interfaces ) {
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emit "do_iptables -A INPUT -p udp -i $interface --dport 67:68 -j ACCEPT";
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emit "do_iptables -A OUTPUT -p udp -o $interface --dport 67:68 -j ACCEPT" unless $config{ADMINISABSENTMINDED};
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emit "do_iptables -A INPUT -p udp -i $interface --dport $ports -j ACCEPT";
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emit "do_iptables -A OUTPUT -p udp -o $interface --dport $ports -j ACCEPT" unless $config{ADMINISABSENTMINDED};
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#
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# This might be a bridge
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#
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emit "do_iptables -A FORWARD -p udp -i $interface -o $interface --dport 67:68 -j ACCEPT";
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emit "do_iptables -A FORWARD -p udp -i $interface -o $interface --dport $ports-j ACCEPT";
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}
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} else {
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for my $interface ( all_bridges ) {
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emit "do_iptables -A FORWARD -p 58 -i $interface -o $interface -j ACCEPT";
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}
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}
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emit '';
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if ( $family == F_IPV4 ) {
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if ( $config{IP_FORWARDING} eq 'on' ) {
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emit( 'echo 1 > /proc/sys/net/ipv4/ip_forward',
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@ -545,6 +541,10 @@ EOF
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);
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}
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} else {
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for my $interface ( all_bridges ) {
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emit "do_iptables -A FORWARD -p 58 -i $interface -o $interface -j ACCEPT";
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}
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if ( $config{IP_FORWARDING} eq 'on' ) {
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emit( 'echo 1 > /proc/sys/net/ipv6/conf/all/forwarding',
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'progress_message2 IP Forwarding Enabled' );
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@ -595,21 +595,23 @@ sub add_common_rules() {
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add_rule $rejectref , '-j REJECT';
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}
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if ( $family == F_IPV4 ) {
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$list = find_interfaces_by_option 'dhcp';
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$list = find_interfaces_by_option 'dhcp';
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if ( @$list ) {
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progress_message2 'Adding rules for DHCP';
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if ( @$list ) {
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progress_message2 'Adding rules for DHCP';
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for $interface ( @$list ) {
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for $chain ( input_chain $interface, output_chain $interface ) {
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add_rule $filter_table->{$chain} , '-p udp --dport 67:68 -j ACCEPT';
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}
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add_rule $filter_table->{forward_chain $interface} , "-p udp -o $interface --dport 67:68 -j ACCEPT" if get_interface_option( $interface, 'bridge' );
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my $ports = $family == F_IPV4 ? '67:68' : '546:547';
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for $interface ( @$list ) {
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for $chain ( input_chain $interface, output_chain $interface ) {
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add_rule $filter_table->{$chain} , "-p udp --dport $ports -j ACCEPT";
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}
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add_rule $filter_table->{forward_chain $interface} , "-p udp -o $interface --dport $ports -j ACCEPT" if get_interface_option( $interface, 'bridge' );
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}
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}
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if ( $family == F_IPV4 ) {
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$list = find_hosts_by_option 'norfc1918';
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setup_rfc1918_filteration $list if @$list;
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}
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@ -627,6 +627,7 @@ sub validate_interfaces_file( $ )
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} else {
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%validoptions = ( blacklist => SIMPLE_IF_OPTION,
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bridge => SIMPLE_IF_OPTION,
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dhcp => SIMPLE_IF_OPTION,
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optional => SIMPLE_IF_OPTION,
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routeback => SIMPLE_IF_OPTION + IF_OPTION_ZONEONLY,
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sourceroute => BINARY_IF_OPTION,
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