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2 Commits

Author SHA1 Message Date
Tom Eastep
e7315b8e0e Make ipset-based dynamic blacklisting work in the FORWARD chain
Signed-off-by: Tom Eastep <teastep@shorewall.net>
2016-06-13 15:03:09 -07:00
Tom Eastep
c58611f7fb Correct a warning message
Signed-off-by: Tom Eastep <teastep@shorewall.net>
2016-06-13 15:03:03 -07:00
26 changed files with 74 additions and 346 deletions

View File

@@ -191,8 +191,6 @@ setup_logread() {
else
g_logread="logread"
fi
elif [ "$LOGFILE" = "systemd" ]; then
g_logread="journalctl -r"
elif [ -r $LOGFILE ]; then
if qt mywhich tac; then
g_logread="tac $LOGFILE"
@@ -2524,46 +2522,21 @@ hits_command() {
# 'allow' command executor
#
allow_command() {
[ -n "$g_debugging" ] && set -x
[ $# -eq 1 ] && missing_argument
if product_is_started ; then
local allowed
local which
which='-s'
local range
range='--src-range'
local dynexists
if [ -n "$g_blacklistipset" ]; then
case ${IPSET:=ipset} in
*/*)
if [ ! -x "$IPSET" ]; then
fatal_error "IPSET=$IPSET does not exist or is not executable"
fi
;;
*)
IPSET="$(mywhich $IPSET)"
[ -n "$IPSET" ] || fatal_error "The ipset utility cannot be located"
;;
esac
fi
if chain_exists dynamic; then
dynexists=Yes
elif [ -z "$g_blacklistipset" ]; then
if ! chain_exists dynamic; then
fatal_error "Dynamic blacklisting is not enabled in the current $g_product configuration"
fi
[ -n "$g_nolock" ] || mutex_on
while [ $# -gt 1 ]; do
shift
allowed=''
case $1 in
from)
which='-s'
@@ -2576,48 +2549,29 @@ allow_command() {
continue
;;
*-*)
if [ -n "$g_blacklistipset" ]; then
if qt $IPSET -D $g_blacklistipset $1; then
allowed=Yes
fi
fi
if [ -n "$dynexists" ]; then
if qt $g_tool -D dynamic -m iprange $range $1 -j reject ||\
qt $g_tool -D dynamic -m iprange $range $1 -j DROP ||\
qt $g_tool -D dynamic -m iprange $range $1 -j logdrop ||\
qt $g_tool -D dynamic -m iprange $range $1 -j logreject
if qt $g_tool -D dynamic -m iprange $range $1 -j reject ||\
qt $g_tool -D dynamic -m iprange $range $1 -j DROP ||\
qt $g_tool -D dynamic -m iprange $range $1 -j logdrop ||\
qt $g_tool -D dynamic -m iprange $range $1 -j logreject
then
allowed=Yes
fi
echo "$1 Allowed"
else
echo "$1 Not Dropped or Rejected"
fi
;;
*)
if [ -n "$g_blacklistipset" ]; then
if qt $IPSET -D $g_blacklistipset $1; then
allowed=Yes
fi
fi
if [ -n "$dynexists" ]; then
if qt $g_tool -D dynamic $which $1 -j reject ||\
qt $g_tool -D dynamic $which $1 -j DROP ||\
qt $g_tool -D dynamic $which $1 -j logdrop ||\
qt $g_tool -D dynamic $which $1 -j logreject
if qt $g_tool -D dynamic $which $1 -j reject ||\
qt $g_tool -D dynamic $which $1 -j DROP ||\
qt $g_tool -D dynamic $which $1 -j logdrop ||\
qt $g_tool -D dynamic $which $1 -j logreject
then
allowed=Yes
fi
echo "$1 Allowed"
else
echo "$1 Not Dropped or Rejected"
fi
;;
esac
if [ -n "$allowed" ]; then
progress_message2 "$1 Allowed"
else
error_message "WARNING: $1 already allowed (not dynamically blacklisted)"
fi
done
[ -n "$g_nolock" ] || mutex_off
else
error_message "ERROR: $g_product is not started"
@@ -3553,7 +3507,7 @@ blacklist_command() {
;;
esac
$IPSET -A $g_blacklistipset $@ && progress_message2 "$1 Blacklisted" || { error_message "ERROR: Address $1 not blacklisted"; return 1; }
$IPSET -A $g_blacklistipset $@ || { error_message "ERROR: Address $1 not blacklisted"; return 1; }
return 0
}

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@@ -7,15 +7,15 @@ PREFIX=/usr #Top-level directory for s
CONFDIR=/etc #Directory where subsystem configurations are installed
SHAREDIR=${PREFIX}/share #Directory for arch-neutral files.
LIBEXECDIR=${PREFIX}/lib #Directory for executable scripts.
PERLLIBDIR=${PREFIX}/lib/perl5/site-perl #Directory to install Shorewall Perl module directory
PERLLIBDIR=${PREFIX}/lib/perl5/vendor_perl/5.14.2 #Directory to install Shorewall Perl module directory
SBINDIR=/usr/sbin #Directory where system administration programs are installed
MANDIR=${SHAREDIR}/man/ #Directory where manpages are installed.
INITDIR=/etc/init.d #Directory where SysV init scripts are installed.
INITFILE= #Name of the product's SysV init script
INITFILE=$PRODUCT #Name of the product's SysV init script
INITSOURCE=init.suse.sh #Name of the distributed file to be installed as the SysV init script
ANNOTATED= #If non-zero, annotated configuration files are installed
SERVICEDIR=/usr/lib/systemd/system #Directory where .service files are installed (systems running systemd only)
SERVICEFILE=$PRODUCT.service #Name of the file to install in $SYSTEMD. Default is $PRODUCT.service
SERVICEDIR= #Directory where .service files are installed (systems running systemd only)
SERVICEFILE= #Name of the file to install in $SYSTEMD. Default is $PRODUCT.service
SYSCONFFILE=sysconfig #Name of the distributed file to be installed in $SYSCONFDIR
SYSCONFDIR=/etc/sysconfig/ #Directory where SysV init parameter files are installed
SPARSE= #If non-empty, only install $PRODUCT/$PRODUCT.conf in $CONFDIR

View File

@@ -30,7 +30,7 @@
# Required-Stop: $local_fs
# X-Stop-After: $network
# Default-Start: S
# Default-Stop: 0 1 6
# Default-Stop: 0 6
# Short-Description: Initialize the firewall at boot time
# Description: Place the firewall in a safe state at boot time prior to
# bringing up the network

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@@ -5,7 +5,7 @@
# Required-Start: $network $remote_fs
# Required-Stop: $network $remote_fs
# Default-Start: S
# Default-Stop: 0 1 6
# Default-Stop: 0 6
# Short-Description: Configure the firewall at boot time
# Description: Configure the firewall according to the rules specified in
# /etc/shorewall-lite
@@ -92,11 +92,10 @@ shorewall_start () {
# stop the firewall
shorewall_stop () {
echo -n "Stopping \"Shorewall firewall\": "
if [ "$SAFESTOP" = 1 ]; then
echo -n "Stopping \"Shorewall Lite firewall\": "
$SRWL $SRWL_OPTS stop >> $INITLOG 2>&1 && echo "done." || echo_notdone
else
echo -n "Clearing all \"Shorewall Lite firewall\" rules: "
$SRWL $SRWL_OPTS clear >> $INITLOG 2>&1 && echo "done." || echo_notdone
fi
return 0

View File

@@ -702,9 +702,7 @@
blacklisted by a <emphasis role="bold">drop</emphasis>, <emphasis
role="bold">logdrop</emphasis>, <emphasis
role="bold">reject</emphasis>, or <emphasis
role="bold">logreject</emphasis> command. Beginning with Shorewall
5.0.10, this command can also re-enable addresses blacklisted using
the <command>blacklist</command> command.</para>
role="bold">logreject</emphasis> command.</para>
</listitem>
</varlistentry>

View File

@@ -5220,8 +5220,6 @@ sub do_user( $ ) {
if ( supplied $2 ) {
$user = $2;
$user =~ s/:$//;
if ( $user =~ /^(\d+)(-(\d+))?$/ ) {
if ( supplied $2 ) {
fatal_error "Invalid User Range ($user)" unless $3 >= $1;

View File

@@ -165,7 +165,6 @@ our %EXPORT_TAGS = ( internal => [ qw( create_temp_script
directive_callback
add_ipset
all_ipsets
transfer_permissions
$product
$Product
@@ -5090,19 +5089,6 @@ sub update_default($$) {
$config{$var} = $val unless defined $config{$var};
}
#
# Transfer the permissions from an old .bak file to a newly-created file
#
sub transfer_permissions( $$ ) {
my ( $old, $new ) = @_;
my @stat = stat $old;
if ( @stat ) {
fatal_error "Can't transfer permissions from $old to $new" unless chmod( $stat[2] & 0777, $new );
}
}
sub update_config_file( $ ) {
my ( $annotate ) = @_;
@@ -5252,7 +5238,6 @@ EOF
if ( system( "diff -q $configfile $configfile.bak > /dev/null" ) ) {
progress_message3 "Configuration file $configfile updated - old file renamed $configfile.bak";
transfer_permissions( "$configfile.bak", $configfile );
} else {
if ( rename "$configfile.bak", $configfile ) {
progress_message3 "No update required to configuration file $configfile; $configfile.bak not saved";
@@ -6200,10 +6185,8 @@ sub get_configuration( $$$$ ) {
require_capability( 'IPSET_V5', 'DYNAMIC_BLACKLIST=ipset...', 's' );
} else {
default_yes_no( 'DYNAMIC_BLACKLIST', 'Yes' );
default_yes_no( 'DYNAMIC_BLACKLIST' , 'Yes' );
}
} else {
default_yes_no( 'DYNAMIC_BLACKLIST', 'Yes' );
}
default_yes_no 'REQUIRE_INTERFACE' , '';

View File

@@ -200,7 +200,6 @@ sub remove_blacklist( $ ) {
if ( $changed ) {
rename $fn, "$fn.bak" or fatal_error "Unable to rename $fn to $fn.bak: $!";
rename "$fn.new", $fn or fatal_error "Unable to rename $fn.new to $fn: $!";
transfer_permissions( "$fn.bak", $fn );
progress_message2 "\u$file file $fn saved in $fn.bak"
}
}
@@ -309,7 +308,6 @@ sub convert_blacklist() {
open $blrules, '>>', $fn1 or fatal_error "Unable to open $fn1: $!";
} else {
open $blrules, '>', $fn1 or fatal_error "Unable to open $fn1: $!";
transfer_permissions( $fn, $fn1 );
print $blrules <<'EOF';
#
# Shorewall version 5.0 - Blacklist Rules File
@@ -403,7 +401,6 @@ sub convert_routestopped() {
open $stoppedrules, '>>', $fn1 or fatal_error "Unable to open $fn1: $!";
} else {
open $stoppedrules, '>', $fn1 or fatal_error "Unable to open $fn1: $!";
transfer_permissions( $fn, $fn1 );
print $stoppedrules <<'EOF';
#
# Shorewall version 5 - Stopped Rules File
@@ -869,30 +866,15 @@ sub add_common_rules ( $ ) {
}
}
if ( $dbl_ipset && ( ( my $setting = get_interface_option( $interface, 'dbl' ) ) ne '0:0' ) ) {
my ( $in, $out ) = split /:/, $setting;
if ( $in == 1 ) {
#
# src
#
add_ijump_extended( $filter_table->{input_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset src" );
add_ijump_extended( $filter_table->{forward_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset src" );
} elsif ( $in == 2 ) {
add_ijump_extended( $filter_table->{forward_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset dst" );
}
if ( $out == 2 ) {
#
# dst
#
add_ijump_extended( $filter_table->{output_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset dst" );
}
if ( $dbl_ipset && ! get_interface_option( $interface, 'nodbl' ) ) {
add_ijump_extended( $filter_table->{input_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset src" );
add_ijump_extended( $filter_table->{output_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset dst" ) if $dbl_type =~ /,src-dst$/;
add_ijump_extended( $filter_table->{forward_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset src" );
add_ijump_extended( $filter_table->{forward_option_chain($interface)}, j => $dbl_target, $origin{DYNAMIC_BLACKLIST}, @state, set => "--match-set $dbl_ipset dst" ) if $dbl_type =~ /,src-dst$/;
}
for ( option_chains( $interface ) ) {
add_ijump_extended( $filter_table->{$_}, j => $dynamicref, $origin{DYNAMIC_BLACKLIST}, @state ) if $dynamicref && ( get_interface_option( $interface, 'dbl' ) ne '0:0' );
add_ijump_extended( $filter_table->{$_}, j => $dynamicref, $origin{DYNAMIC_BLACKLIST}, @state ) if $dynamicref && ! get_interface_option( $interface, 'nodbl' );
add_ijump_extended( $filter_table->{$_}, j => 'ACCEPT', $origin{FASTACCEPT}, state_imatch $faststate )->{comment} = '' if $config{FASTACCEPT};
}
}

View File

@@ -369,18 +369,11 @@ sub setup_conntrack($) {
my $conntrack;
my $empty = 1;
my $date = compiletime;
my $fn1 = find_writable_file 'conntrack';
$fn = open_file( 'notrack' , 3, 1 ) || fatal_error "Unable to open the notrack file for conversion: $!";
if ( -f $fn1 ) {
open $conntrack, '>>', $fn1 or fatal_error "Unable to open $fn for notrack conversion: $!";
if ( $fn ) {
open $conntrack, '>>', $fn or fatal_error "Unable to open $fn for notrack conversion: $!";
} else {
open $conntrack, '>' , $fn1 or fatal_error "Unable to open $fn for notrack conversion: $!";
#
# Transfer permissions from the existing notrack file
#
transfer_permissions( $fn, $fn1 );
open $conntrack, '>', $fn = find_file 'conntrack' or fatal_error "Unable to open $fn for notrack conversion: $!";
print $conntrack <<'EOF';
#
@@ -403,6 +396,8 @@ EOF
"# Rules generated from notrack file $fn by Shorewall $globals{VERSION} - $date\n" ,
"#\n" );
$fn = open_file( 'notrack' , 3, 1 ) || fatal_error "Unable to open the notrack file for conversion: $!";
while ( read_a_line( PLAIN_READ ) ) {
#
# Don't copy the header comments from the old notrack file

View File

@@ -4749,6 +4749,10 @@ sub process_mangle_rule1( $$$$$$$$$$$$$$$$$$ ) {
}
}
unless ( ( $chain || $default_chain ) == OUTPUT ) {
fatal_error 'A USER/GROUP may only be specified when the SOURCE is $FW' unless $user eq '-';
}
if ( $dest ne '-' ) {
if ( $dest eq $fw ) {
fatal_error 'Rules with DEST $FW must use the INPUT chain' if $designator && $designator ne INPUT;
@@ -4791,7 +4795,6 @@ sub process_mangle_rule1( $$$$$$$$$$$$$$$$$$ ) {
fatal_error "Duplicate STATE ($_)" if $state{$_}++;
}
}
#
# Call the command's processing function
#
@@ -4802,23 +4805,12 @@ sub process_mangle_rule1( $$$$$$$$$$$$$$$$$$ ) {
if ( $chain == ACTIONCHAIN ) {
fatal_error "$cmd rules are not allowed in the $chainlabels{$chain} chain" unless $commandref->{allowedchains} & $chainref->{allowedchains};
$chainref->{allowedchains} &= $commandref->{allowedchains};
$chainref->{allowedchains} &= (OUTPUT | POSTROUTING ) if $user ne '-';
} else {
#
# Inline within one of the standard chains
#
fatal_error "$cmd rules are not allowed in the $chainlabels{$chain} chain" unless $commandref->{allowedchains} & $chain;
unless ( $chain == OUTPUT || $chain == POSTROUTING ) {
fatal_error 'A USER/GROUP may only be specified when the SOURCE is $FW' unless $user eq '-';
}
}
} else {
$resolve_chain->();
fatal_error "$cmd rules are not allowed in the $chainlabels{$chain} chain" unless $commandref->{allowedchains} & $chain;
unless ( $chain == OUTPUT || $chain == POSTROUTING ) {
fatal_error 'A USER/GROUP may only be specified when the SOURCE is $FW' unless $user eq '-';
}
$chainref = ensure_chain( 'mangle', $chainnames{$chain} );
}
@@ -4984,13 +4976,6 @@ sub process_tc_rule1( $$$$$$$$$$$$$$$$ ) {
$mark = $rest;
} elsif ( supplied $2 ) {
$mark = $2;
if ( supplied $mark && $command eq 'IPMARK' ) {
my @params = split ',', $mark;
$params[1] = '0xff' unless supplied $params[1];
$params[2] = '0x00' unless supplied $params[2];
$params[3] = '0' unless supplied $params[3];
$mark = join ',', @params;
}
} else {
$mark = '';
}
@@ -5001,7 +4986,7 @@ sub process_tc_rule1( $$$$$$$$$$$$$$$$ ) {
}
}
$command = ( $command ? supplied $mark ? "$command($mark)" : $command : $mark ) . $designator;
$command = ( $command ? "$command($mark)" : $mark ) . $designator;
my $line = ( $family == F_IPV6 ?
"$command\t$source\t$dest\t$proto\t$ports\t$sports\t$user\t$testval\t$length\t$tos\t$connbytes\t$helper\t$headers\t$probability\t$dscp\t$state" :
"$command\t$source\t$dest\t$proto\t$ports\t$sports\t$user\t$testval\t$length\t$tos\t$connbytes\t$helper\t$probability\t$dscp\t$state" );

View File

@@ -2234,19 +2234,13 @@ sub convert_tos($$) {
}
}
sub open_mangle_for_output( $ ) {
my ($fn ) = @_;
sub open_mangle_for_output() {
my ( $mangle, $fn1 );
if ( -f ( $fn1 = find_writable_file( 'mangle' ) ) ) {
open( $mangle , '>>', $fn1 ) || fatal_error "Unable to open $fn1:$!";
} else {
open( $mangle , '>', $fn1 ) || fatal_error "Unable to open $fn1:$!";
#
# Transfer permissions from the existing tcrules file to the new mangle file
#
transfer_permissions( $fn, $fn1 );
print $mangle <<'EOF';
#
# Shorewall version 4 - Mangle File
@@ -2332,7 +2326,7 @@ sub setup_tc( $ ) {
#
# We are going to convert this tcrules file to the equivalent mangle file
#
( $mangle, $fn1 ) = open_mangle_for_output( $fn );
( $mangle, $fn1 ) = open_mangle_for_output;
directive_callback( sub () { print $mangle "$_[1]\n" unless $_[0] eq 'FORMAT'; 0; } );
@@ -2382,7 +2376,7 @@ sub setup_tc( $ ) {
#
# We are going to convert this tosfile to the equivalent mangle file
#
( $mangle, $fn1 ) = open_mangle_for_output( $fn );
( $mangle, $fn1 ) = open_mangle_for_output;
convert_tos( $mangle, $fn1 );
close $mangle;
}

View File

@@ -337,7 +337,6 @@ sub initialize( $$ ) {
arp_ignore => ENUM_IF_OPTION,
blacklist => SIMPLE_IF_OPTION + IF_OPTION_HOST,
bridge => SIMPLE_IF_OPTION,
dbl => ENUM_IF_OPTION,
destonly => SIMPLE_IF_OPTION + IF_OPTION_HOST,
detectnets => OBSOLETE_IF_OPTION,
dhcp => SIMPLE_IF_OPTION,
@@ -388,7 +387,6 @@ sub initialize( $$ ) {
%validinterfaceoptions = ( accept_ra => NUMERIC_IF_OPTION,
blacklist => SIMPLE_IF_OPTION + IF_OPTION_HOST,
bridge => SIMPLE_IF_OPTION,
dbl => ENUM_IF_OPTION,
destonly => SIMPLE_IF_OPTION + IF_OPTION_HOST,
dhcp => SIMPLE_IF_OPTION,
ignore => NUMERIC_IF_OPTION + IF_OPTION_WILDOK,
@@ -1193,7 +1191,6 @@ sub process_interface( $$ ) {
my %options;
$options{port} = 1 if $port;
$options{dbl} = $config{DYNAMIC_BLACKLIST} =~ /^ipset(-only)?,src-dst/ ? '1:2' : $config{DYNAMIC_BLACKLIST} ? '1:0' : '0:0';
my $hostoptionsref = {};
@@ -1237,8 +1234,6 @@ sub process_interface( $$ ) {
} else {
warning_message "The 'blacklist' option is ignored on multi-zone interfaces";
}
} elsif ( $option eq 'nodbl' ) {
$options{dbl} = '0:0';
} else {
$options{$option} = 1;
$hostoptions{$option} = 1 if $hostopt;
@@ -1261,11 +1256,6 @@ sub process_interface( $$ ) {
} else {
$options{arp_ignore} = 1;
}
} elsif ( $option eq 'dbl' ) {
my %values = ( none => '0:0', src => '1:0', dst => '2:0', 'src-dst' => '1:2' );
fatal_error q(The 'dbl' option requires a value) unless defined $value;
fatal_error qq(Invalid setting ($value) for 'dbl') unless defined ( $options{dbl} = $values{$value} );
} else {
assert( 0 );
}
@@ -1916,7 +1906,7 @@ sub verify_required_interfaces( $ ) {
my $returnvalue = 0;
my $interfaces = find_interfaces_by_option( 'wait');
my $interfaces = find_interfaces_by_option 'wait';
if ( @$interfaces ) {
my $first = 1;
@@ -1982,7 +1972,7 @@ sub verify_required_interfaces( $ ) {
}
$interfaces = find_interfaces_by_option( 'required' );
$interfaces = find_interfaces_by_option 'required';
if ( @$interfaces ) {
@@ -2170,7 +2160,7 @@ sub process_host( ) {
#
$interface = '%vserver%' if $type & VSERVER;
add_group_to_zone( $zone, $type , $interface, [ split_list( $hosts, 'host' ) ] , $optionsref, 0 );
add_group_to_zone( $zone, $type , $interface, [ split_list( $hosts, 'host' ) ] , $optionsref, 1 );
progress_message " Host \"$currentline\" validated";

View File

@@ -4,7 +4,7 @@
# Required-Start: $network $remote_fs
# Required-Stop: $network $remote_fs
# Default-Start: S
# Default-Stop: 0 1 6
# Default-Stop: 0 6
# Short-Description: Configure the firewall at boot time
# Description: Configure the firewall according to the rules specified in
# /etc/shorewall
@@ -97,11 +97,10 @@ shorewall_start () {
# stop the firewall
shorewall_stop () {
echo -n "Stopping \"Shorewall firewall\": "
if [ "$SAFESTOP" = 1 ]; then
echo -n "Stopping \"Shorewall firewall\": "
$SRWL $SRWL_OPTS stop >> $INITLOG 2>&1 && echo "done." || echo_notdone
else
echo -n "Clearing all \"Shorewall firewall\" rules: "
$SRWL $SRWL_OPTS clear >> $INITLOG 2>&1 && echo "done." || echo_notdone
fi
return 0
@@ -146,7 +145,7 @@ case "$1" in
restart)
shorewall_restart
;;
force-reload|reload)
force0reload|reload)
shorewall_reload
;;
status)

View File

@@ -306,72 +306,6 @@ loc eth2 -</programlisting>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis
role="bold">dbl={none|src|dst|src-dst}</emphasis></term>
<listitem>
<para>Added in Shorewall 5.0.10. This option defined whether
or not dynamic blacklisting is applied to packets entering the
firewall through this interface and whether the source address
and/or destination address is to be compared against the
ipset-based dynamic blacklist (DYNAMIC_BLACKLIST=ipset... in
<ulink
url="manpages/shorewall.conf.html">shorewall.conf(5)</ulink>).
The default is determine by the setting of
DYNAMIC_BLACKLIST:</para>
<variablelist>
<varlistentry>
<term>DYNAMIC_BLACKLIST=No</term>
<listitem>
<para>Default is <emphasis role="bold">none</emphasis>
(e.g., no dynamic blacklist checking).</para>
</listitem>
</varlistentry>
<varlistentry>
<term>DYNAMIC_BLACKLIST=Yes</term>
<listitem>
<para>Default is <emphasis role="bold">src</emphasis>
(e.g., the source IP address is checked).</para>
</listitem>
</varlistentry>
<varlistentry>
<term>DYNAMIC_BLACKLIST=ipset[-only]</term>
<listitem>
<para>Default is <emphasis
role="bold">src</emphasis>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>DYNAMIC_BLACKLIST=ipset[-only],src-dst...</term>
<listitem>
<para>Default is <emphasis
role="bold">src-dst</emphasis> (e.g., the source IP
addresses in checked against the ipset on input and the
destination IP address is checked against the ipset on
packets originating from the firewall and leaving
through this interface).</para>
</listitem>
</varlistentry>
</variablelist>
<para>The normal setting for this option will be <emphasis
role="bold">dst</emphasis> or <emphasis
role="bold">none</emphasis> for internal interfaces and
<emphasis role="bold">src</emphasis> or <emphasis
role="bold">src-dst</emphasis> for Internet-facing
interfaces.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">destonly</emphasis></term>
@@ -414,7 +348,7 @@ loc eth2 -</programlisting>
url="../bridge-Shorewall-perl.html">Shorewall-perl for
firewall/bridging</ulink>, then you need to include
DHCP-specific rules in <ulink
url="/manpages/shorewall-rules.html">shorewall-rules</ulink>(5).
url="/manpages/shorewall-rules.html">shorewall-rules</ulink>(8).
DHCP uses UDP ports 67 and 68.</para>
</note>
</listitem>
@@ -446,7 +380,7 @@ loc eth2 -</programlisting>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">loopback</emphasis></term>
<term>loopback</term>
<listitem>
<para>Added in Shorewall 4.6.6. Designates the interface as
@@ -517,8 +451,8 @@ loc eth2 -</programlisting>
</varlistentry>
<varlistentry>
<term><emphasis role="bold"><emphasis
role="bold">mss</emphasis>=</emphasis><emphasis>number</emphasis></term>
<term><emphasis
role="bold">mss</emphasis>=<emphasis>number</emphasis></term>
<listitem>
<para>Added in Shorewall 4.0.3. Causes forwarded TCP SYN
@@ -559,10 +493,7 @@ loc eth2 -</programlisting>
<listitem>
<para>Added in Shorewall 5.0.8. When specified, dynamic
blacklisting is disabled on the interface. Beginning with
Shorewall 5.0.10, <emphasis role="bold">nodbl</emphasis> is
equivalent to <emphasis
role="bold">dbl=none</emphasis>.</para>
blacklisting is disabled on the interface.</para>
</listitem>
</varlistentry>

View File

@@ -1354,7 +1354,7 @@ net all DROP info</programlisting>then the chain name is 'net-all'
<varlistentry>
<term><emphasis
role="bold">LOGFILE=</emphasis>[<emphasis>pathname</emphasis>|<option>systemd</option>]</term>
role="bold">LOGFILE=</emphasis>[<emphasis>pathname</emphasis>]</term>
<listitem>
<para>This parameter tells the /sbin/shorewall program where to look
@@ -1364,10 +1364,7 @@ net all DROP info</programlisting>then the chain name is 'net-all'
log</emphasis>, and <emphasis role="bold">hits</emphasis> commands.
If not assigned or if assigned an empty value, /var/log/messages is
assumed. For further information, see <ulink
url="/shorewall_logging.html">http://www.shorewall.net/shorewall_logging.html</ulink>.
Beginning with Shorewall 5.0.10.1, you may specify
<option>systemd</option> to use <command>journelctl -r</command> to
read the log.</para>
url="/shorewall_logging.html">http://www.shorewall.net/shorewall_logging.html</ulink>.</para>
</listitem>
</varlistentry>

View File

@@ -964,9 +964,7 @@
blacklisted by a <emphasis role="bold">drop</emphasis>, <emphasis
role="bold">logdrop</emphasis>, <emphasis
role="bold">reject</emphasis>, or <emphasis
role="bold">logreject</emphasis> command. Beginning with Shorewall
5.0.10, this command can also re-enable addresses blacklisted using
the <command>blacklist</command> command.</para>
role="bold">logreject</emphasis> command.</para>
</listitem>
</varlistentry>

View File

@@ -5,7 +5,7 @@
# Required-Start: $network $remote_fs
# Required-Stop: $network $remote_fs
# Default-Start: S
# Default-Stop: 0 1 6
# Default-Stop: 0 6
# Short-Description: Configure the firewall at boot time
# Description: Configure the firewall according to the rules specified in
# /etc/shorewall6-lite
@@ -92,11 +92,10 @@ shorewall6_start () {
# stop the firewall
shorewall6_stop () {
echo -n "Stopping \"Shorewall6 Lite firewall\": "
if [ "$SAFESTOP" = 1 ]; then
echo -n "Stopping \"Shorewall6 Lite firewall\": "
$SRWL $SRWL_OPTS stop >> $INITLOG 2>&1 && echo "done." || echo_notdone
else
echo -n "Clearing all \"Shorewall6 Lite firewall\" rules: "
$SRWL $SRWL_OPTS clear >> $INITLOG 2>&1 && echo "done." || echo_notdone
fi
return 0

View File

@@ -679,9 +679,7 @@
<para>Re-enables receipt of packets from hosts previously
blacklisted by a <command>drop</command>,
<command>logdrop</command>, <command>reject</command>, or
<command>logreject</command> command. Beginning with Shorewall
5.0.10, this command can also re-enable addresses blacklisted using
the <command>blacklist</command> command.</para>
<command>logreject</command> command.</para>
</listitem>
</varlistentry>

View File

@@ -4,7 +4,7 @@
# Required-Start: $network $remote_fs
# Required-Stop: $network $remote_fs
# Default-Start: S
# Default-Stop: 0 1 6
# Default-Stop: 0 6
# Short-Description: Configure the firewall at boot time
# Description: Configure the firewall according to the rules specified in
# /etc/shorewall6
@@ -97,11 +97,10 @@ shorewall6_start () {
# stop the firewall
shorewall6_stop () {
echo -n "Stopping \"Shorewall6 firewall\": "
if [ "$SAFESTOP" = 1 ]; then
echo -n "Stopping \"Shorewall6 firewall\": "
$SRWL $SRWL_OPTS stop >> $INITLOG 2>&1 && echo "done." || echo_notdone
else
echo -n "Clearing all \"Shorewall6 firewall\" rules: "
$SRWL $SRWL_OPTS clear >> $INITLOG 2>&1 && echo "done." || echo_notdone
fi
return 0

View File

@@ -237,66 +237,6 @@ loc eth2 -</programlisting>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis
role="bold">dbl={none|src|dst|src-dst}</emphasis></term>
<listitem>
<para>Added in Shorewall 5.0.10. This option defined whether
or not dynamic blacklisting is applied to packets entering the
firewall through this interface and whether the source address
and/or destination address is to be compared against the
ipset-based dynamic blacklist (DYNAMIC_BLACKLIST=ipset... in
<ulink
url="manpages6/shorewall6.conf.html">shorewall6.conf(5)</ulink>).
The default is determine by the setting of
DYNAMIC_BLACKLIST:</para>
<variablelist>
<varlistentry>
<term>DYNAMIC_BLACKLIST=No</term>
<listitem>
<para>Default is <emphasis role="bold">none</emphasis>
(e.g., no dynamic blacklist checking).</para>
</listitem>
</varlistentry>
<varlistentry>
<term>DYNAMIC_BLACKLIST=Yes</term>
<listitem>
<para>Default is <emphasis role="bold">src</emphasis>
(e.g., the source IP address is checked against the
ipset).</para>
</listitem>
</varlistentry>
<varlistentry>
<term>DYNAMIC_BLACKLIST=ipset[-only]</term>
<listitem>
<para>Default is <emphasis
role="bold">src</emphasis>.</para>
</listitem>
</varlistentry>
<varlistentry>
<term>DYNAMIC_BLACKLIST=ipset[-only],src-dst...</term>
<listitem>
<para>Default is <emphasis
role="bold">src-dst</emphasis> (e.g., the source IP
addresses in checked against the ipset on input and the
destination IP address is checked against the ipset on
packets originating from the firewall and leaving
through this interface).</para>
</listitem>
</varlistentry>
</variablelist>
</listitem>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">destonly</emphasis></term>
@@ -381,7 +321,7 @@ loc eth2 -</programlisting>
</varlistentry>
<varlistentry>
<term><emphasis role="bold">loopback</emphasis></term>
<term>loopback</term>
<listitem>
<para>Added in Shorewall 4.6.6. Designates the interface as
@@ -430,10 +370,7 @@ loc eth2 -</programlisting>
<listitem>
<para>Added in Shorewall 5.0.8. When specified, dynamic
blacklisting is disabled on the interface. Beginning with
Shorewall 5.0.10, <emphasis role="bold">nodbl</emphasis> is
equivalent to <emphasis
role="bold">dbl=none</emphasis>.</para>
blacklisting is disabled on the interface.</para>
</listitem>
</varlistentry>

View File

@@ -1166,7 +1166,7 @@ net all DROP info</programlisting>then the chain name is 'net-all'
<varlistentry>
<term><emphasis
role="bold">LOGFILE=</emphasis>[<emphasis>pathname</emphasis>|<option>systemd</option>]</term>
role="bold">LOGFILE=</emphasis>[<emphasis>pathname</emphasis>]</term>
<listitem>
<para>This parameter tells the /sbin/shorewall6 program where to
@@ -1175,9 +1175,7 @@ net all DROP info</programlisting>then the chain name is 'net-all'
role="bold">logwatch</emphasis>, <emphasis role="bold">show
log</emphasis>, and <emphasis role="bold">hits</emphasis> commands.
If not assigned or if assigned an empty value, /var/log/messages is
assumed. Beginning with Shorewall 5.0.10.1, you may specify
<option>systemd</option> to use <command>journelctl -r</command> to
read the log.</para>
assumed.</para>
</listitem>
</varlistentry>

View File

@@ -932,9 +932,7 @@
blacklisted by a <emphasis role="bold">drop</emphasis>, <emphasis
role="bold">logdrop</emphasis>, <emphasis
role="bold">reject</emphasis>, or <emphasis
role="bold">logreject</emphasis> command. Beginning with Shorewall
5.0.10, this command can also re-enable addresses blacklisted using
the <command>blacklist</command> command.</para>
role="bold">logreject</emphasis> command.</para>
</listitem>
</varlistentry>

View File

@@ -61,7 +61,7 @@
<listitem>
<para><emphasis role="bold">Shorewall6</emphasis>. This package
requires the Shorewall package and adds those components needed to
create an IPv6 firewall.</para>
create an IPv6 fireawall.</para>
</listitem>
<listitem>

View File

@@ -26,8 +26,6 @@
<year>2011</year>
<year>2016</year>
<holder>Thomas M. Eastep</holder>
</copyright>
@@ -91,9 +89,7 @@
<listitem>
<para><ulink url="two-interface.htm">Two-interface</ulink> Linux System
acting as a firewall/router for a small local network. For
Redhat-specific install/configure information, see <ulink url="???">this
article </ulink>contributed by Digimer.</para>
acting as a firewall/router for a small local network</para>
</listitem>
<listitem>

View File

@@ -398,7 +398,7 @@ ACCEPT net $FW tcp 22</programlisting>
<listitem>
<para><emphasis role="bold">Shorewall6</emphasis>. This package
requires the Shorewall package and adds those components needed to
create an IPv6 firewall.</para>
create an IPv6 fireawall.</para>
</listitem>
<listitem>

View File

@@ -18,7 +18,7 @@
<pubdate><?dbtimestamp format="Y/m/d"?></pubdate>
<copyright>
<year>2001-2016</year>
<year>2001-2013</year>
<holder>Thomas M. Eastep</holder>
</copyright>
@@ -35,9 +35,9 @@
</articleinfo>
<caution>
<para><emphasis role="bold">This article applies to Shorewall 5.0 and
<para><emphasis role="bold">This article applies to Shorewall 4.3 and
later. If you are running a version of Shorewall earlier than Shorewall
5.0.0 then please see the documentation for that
4.3.5 then please see the documentation for that
release.</emphasis></para>
</caution>