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authorcrocomo <crocomo@btree.de>2014-03-04 07:28:58 +0100
committercrocomo <crocomo@btree.de>2014-03-04 07:28:58 +0100
commit65a6c18d04094037d7efcd2c9fc6a26d5fe7e7f6 (patch)
tree3aa77d2867d5e9f7f16bc039805f4457b163fcde /config
parentf4d2b1698d54f886b3fbbd0750b1b1fa74c1aef6 (diff)
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Enable built-in ACLs; Fix version.bind; Fix typos
* Enable use of the built-in ACLs as per [1]. Especially 'localhost' and 'localnets' come in handy on large firewall installations. * Fix version.bind so that the server does not process queries at all as per [1], which is more secure. * Typo with listenon: Any -> any (more or less an esthetic fix) * Two minor indentation errors [1] http://ftp.isc.org/isc/bind9/cur/9.9/doc/arm/Bv9ARM.ch06.html
Diffstat (limited to 'config')
-rw-r--r--config/bind/bind.inc24
-rw-r--r--config/bind/bind.xml2
2 files changed, 16 insertions, 10 deletions
diff --git a/config/bind/bind.inc b/config/bind/bind.inc
index 3aec31ab..156e9eb8 100644
--- a/config/bind/bind.inc
+++ b/config/bind/bind.inc
@@ -43,7 +43,7 @@ $pf_version=substr(trim(file_get_contents("/etc/version")),0,3);
if ($pf_version > 2.0)
define('BIND_LOCALBASE', '/usr/pbi/bind-' . php_uname("m"));
else
- define('BIND_LOCALBASE','/usr/local');
+ define('BIND_LOCALBASE','/usr/local');
define('CHROOT_LOCALBASE','/cf/named');
@@ -95,8 +95,7 @@ function bind_zone_validate($post, $input_errors){
}
}
- function bind_sync(){
-
+function bind_sync(){
global $config;
conf_mount_rw();
//create rndc
@@ -164,8 +163,8 @@ EOD;
}
//check ips to listen on
if (preg_match("/All/",$bind['listenon'])){
- $bind_listenonv6="Any;";
- $bind_listenon="Any;";
+ $bind_listenonv6="any;";
+ $bind_listenon="any;";
}
else{
$bind_listenonv6="";
@@ -198,7 +197,7 @@ EOD;
if ($bind_notify == on)
$bind_conf .="\t\tnotify yes;\n";
if ($hide_version == on)
- $bind_conf .="\t\tversion \"N/A\";\n";
+ $bind_conf .="\t\tversion none;\n";
$bind_conf .= preg_replace("/^/m","\t\t",$custom_options);
$bind_conf .= "\n\t};\n\n";
@@ -245,15 +244,22 @@ EOD;
#Config Zone domain
if(!is_array($config["installedpackages"]["bindacls"]) || !is_array($config["installedpackages"]["bindacls"]["config"])){
- $config["installedpackages"]["bindacls"]["config"][] =array("name"=>"any","description"=>"Default Access list","row" => array("value"=> "","description"=>""));
- write_config("Create Default bind acl 'Any'");
+ $config["installedpackages"]["bindacls"]["config"][] =
+ array("name"=>"none","description"=>"BIND Built-in ACL","row"=>array("value"=>"","description"=>""));
+ $config["installedpackages"]["bindacls"]["config"][] =
+ array("name"=>"any","description"=>"BIND Built-in ACL","row"=>array("value"=>"","description"=>""));
+ $config["installedpackages"]["bindacls"]["config"][] =
+ array("name"=>"localhost","description"=>"BIND Built-in ACL","row"=>array("value"=>"","description"=>""));
+ $config["installedpackages"]["bindacls"]["config"][] =
+ array("name"=>"localnets","description"=>"BIND Built-in ACL","row"=>array("value"=>"","description"=>""));
+ write_config("Create BIND Built-in ACLs");
}
$bindacls = $config["installedpackages"]["bindacls"]["config"];
for ($i=0; $i<sizeof($bindacls); $i++)
{
$aclname = $bindacls[$i]['name'];
$aclhost = $bindacls[$i]['row'];
- if($aclname != "any"){
+ if($aclname != "none" && $aclname != "any" && $aclname != "localhost" && $aclname != "localnets"){
$bind_conf .= "acl \"$aclname\" {\n";
for ($u=0; $u<sizeof($aclhost); $u++)
{
diff --git a/config/bind/bind.xml b/config/bind/bind.xml
index 76fdf523..2f16b966 100644
--- a/config/bind/bind.xml
+++ b/config/bind/bind.xml
@@ -160,7 +160,7 @@
<field>
<fielddescr>Hide Version</fielddescr>
<fieldname>bind_hide_version</fieldname>
- <description>Hide the version of BIND, this prevents discover the version of our servers, use any exploit that exploits a vulnerability in Bind.</description>
+ <description>Hide the version of BIND (do not process queries to version.bind at all). This makes it more difficult to exploit the server.</description>
<type>checkbox</type>
</field>
<field>