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342481e603
This commit also renames a lot of Management Server installation files to try to get consistency in the naming of files. It should make it easier to identify which files are for which section.
59 lines
3.8 KiB
XML
59 lines
3.8 KiB
XML
<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
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%BOOK_ENTITIES;
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]>
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<!-- Licensed to the Apache Software Foundation (ASF) under one
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or more contributor license agreements. See the NOTICE file
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distributed with this work for additional information
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regarding copyright ownership. The ASF licenses this file
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to you under the Apache License, Version 2.0 (the
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"License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing,
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software distributed under the License is distributed on an
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"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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KIND, either express or implied. See the License for the
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specific language governing permissions and limitations
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under the License.
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-->
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<section id="hypervisor-host-install-firewall">
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<title>Configuring the firewall</title>
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<para>The hypervisor needs to be able to communicate with other hypervisors and the management server needs to be able to reach the hypervisor.</para>
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<para>In order to do so we have to open the following TCP ports (if you are using a firewall):</para>
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<orderedlist>
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<listitem><para>22 (SSH)</para></listitem>
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<listitem><para>1798</para></listitem>
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<listitem><para>16509 (libvirt)</para></listitem>
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<listitem><para>5900 - 6100 (VNC consoles)</para></listitem>
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<listitem><para>49152 - 49216 (libvirt live migration)</para></listitem>
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</orderedlist>
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<para>It depends on the firewall you are using how to open these ports. Below you'll find examples how to open these ports in RHEL/CentOS and Ubuntu.</para>
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<section id="hypervisor-host-install-firewall-rhel">
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<title>Open ports in RHEL/CentOS</title>
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<para>RHEL and CentOS use iptables for firewalling the system, you can open extra ports by executing the following iptable commands:</para>
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<programlisting language="Bash">iptables -I INPUT -p tcp -m tcp --dport 22 -j ACCEPT</programlisting>
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<programlisting language="Bash">iptables -I INPUT -p tcp -m tcp --dport 1798 -j ACCEPT</programlisting>
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<programlisting language="Bash">iptables -I INPUT -p tcp -m tcp --dport 16509 -j ACCEPT</programlisting>
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<programlisting language="Bash">iptables -I INPUT -p tcp -m tcp --dport 5900:6100 -j ACCEPT</programlisting>
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<programlisting language="Bash">iptables -I INPUT -p tcp -m tcp --dport 49152:492160 -j ACCEPT</programlisting>
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<para>These iptable settings are not persistent accross reboots, we have to save them first.</para>
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<programlisting language="Bash">iptables-save > /etc/sysconfig/iptables</programlisting>
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</section>
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<section id="hypervisor-host-install-firewall-ubuntu">
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<title>Open ports in Ubuntu</title>
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<para>The default firewall under Ubuntu is UFW (Uncomplicated FireWall), which is a Python wrapper around iptables.</para>
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<para>To open the required ports, execute the following commands:</para>
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<programlisting language="Bash">ufw allow proto tcp from any to any port 22</programlisting>
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<programlisting language="Bash">ufw allow proto tcp from any to any port 1798</programlisting>
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<programlisting language="Bash">ufw allow proto tcp from any to any port 16509</programlisting>
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<programlisting language="Bash">ufw allow proto tcp from any to any port 5900:6100</programlisting>
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<programlisting language="Bash">ufw allow proto tcp from any to any port 49152:492160</programlisting>
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<note><para>By default UFW is not enabled on Ubuntu. Executing these commands with the firewall disabled does not enable the firewall.</para></note>
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</section>
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</section> |