bind/bind-9.3.2-redhat_doc.patch

99 lines
3.5 KiB
Diff

From facdbb0f2a266c6a3a1fa823afaa09cbd3fc38a5 Mon Sep 17 00:00:00 2001
From: Petr Mensik <pemensik@redhat.com>
Date: Thu, 26 Nov 2020 12:13:10 +0100
Subject: [PATCH] Note specific Red Hat changes in manual page
Change docbook template instead of generated manual page. Remove
system-config-bind reference, package were discontinued.
---
bin/named/named.docbook | 73 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
diff --git a/bin/named/named.docbook b/bin/named/named.docbook
index 7e743a9..802bec3 100644
--- a/bin/named/named.docbook
+++ b/bin/named/named.docbook
@@ -516,6 +516,79 @@
</refsection>
+ <refsection><info><title>NOTES</title></info>
+ <refsection><info><title>Red Hat SELinux BIND Security Profile</title></info>
+
+ <para>
+ By default, Red Hat ships BIND with the most secure SELinux policy
+ that will not prevent normal BIND operation and will prevent exploitation
+ of all known BIND security vulnerabilities . See the selinux(8) man page
+ for information about SElinux.
+ </para>
+
+ <para>
+ It is not necessary to run named in a chroot environment if the Red Hat
+ SELinux policy for named is enabled. When enabled, this policy is far
+ more secure than a chroot environment. Users are recommended to enable
+ SELinux and remove the bind-chroot package.
+ </para>
+
+ <para>
+ With this extra security comes some restrictions:
+ </para>
+
+ <para>
+ By default, the SELinux policy allows named to write any master
+ zone database files. Only the root user may create files in the $ROOTDIR/var/named
+ zone database file directory (the options { "directory" } option), where
+ $ROOTDIR is set in /etc/sysconfig/named.
+ </para>
+
+ <para>
+ The "named" group must be granted read privelege to
+ these files in order for named to be enabled to read them.
+ </para>
+
+ <para>
+ Any file created in the zone database file directory is automatically assigned
+ the SELinux file context named_zone_t .
+ </para>
+
+ <para>
+ By default, SELinux prevents any role from modifying named_zone_t files; this
+ means that files in the zone database directory cannot be modified by dynamic
+ DNS (DDNS) updates or zone transfers.
+ </para>
+
+ <para>
+ The Red Hat BIND distribution and SELinux policy creates three directories where
+ named is allowed to create and modify files: /var/named/slaves, /var/named/dynamic
+ /var/named/data. By placing files you want named to modify, such as
+ slave or DDNS updateable zone files and database / statistics dump files in
+ these directories, named will work normally and no further operator action is
+ required. Files in these directories are automatically assigned the 'named_cache_t'
+ file context, which SELinux allows named to write.
+ </para>
+ </refsection>
+
+ <refsection><info><title>Red Hat BIND SDB support</title></info>
+
+ <para>
+ Red Hat ships named with compiled in Simplified Database Backend modules that ISC
+ provides in the "contrib/sdb" directory. Install bind-sdb package if you want use them.
+ </para>
+
+ <para>
+ The SDB modules for LDAP, PostGreSQL, DirDB and SQLite are compiled into <command>named-sdb</command>.
+ </para>
+
+ <para>
+ See the documentation for the various SDB modules in /usr/share/doc/bind-sdb-*/ .
+ </para>
+ </refsection>
+
+ </refsection>
+
<refsection><info><title>SEE ALSO</title></info>
<para><citetitle>RFC 1033</citetitle>,
--
2.26.2