1 | <?xml version="1.0" encoding="ISO-8859-1"?>
|
---|
2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN" "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
|
---|
3 | <!ENTITY % general-entities SYSTEM "../general.ent">
|
---|
4 | %general-entities;
|
---|
5 | ]>
|
---|
6 | <sect1 id="ch-system-openssh" role="wrap" arch="raq2">
|
---|
7 | <title>OpenSSH-&openssh-version;</title>
|
---|
8 | <?dbhtml filename="openssh.html"?>
|
---|
9 |
|
---|
10 | <indexterm zone="ch-system-openssh"><primary sortas="a-openssh">OpenSSH</primary></indexterm>
|
---|
11 |
|
---|
12 | <sect2 role="package"><title/>
|
---|
13 | <para> The OpenSSH package contains ssh clients and the sshd daemon. This is useful
|
---|
14 | for encrypting authentication and subsequent traffic over a network..</para>
|
---|
15 |
|
---|
16 | <segmentedlist>
|
---|
17 | <segtitle>&buildtime;</segtitle>
|
---|
18 | <segtitle>&diskspace;</segtitle>
|
---|
19 | <seglistitem><seg>0.4 SBU</seg><seg>13.3 MB</seg></seglistitem>
|
---|
20 | </segmentedlist>
|
---|
21 |
|
---|
22 | <segmentedlist>
|
---|
23 | <segtitle>OpenSSH installation depends on</segtitle>
|
---|
24 | <seglistitem><seg>OpenSSL</seg></seglistitem>
|
---|
25 | </segmentedlist>
|
---|
26 | </sect2>
|
---|
27 |
|
---|
28 | <sect2 role="installation">
|
---|
29 | <title>Installation of OpenSSH</title>
|
---|
30 |
|
---|
31 | <para>Need to create a chroot-jail for OpenSSH:</para>
|
---|
32 |
|
---|
33 | <screen><userinput>mkdir /var/empty
|
---|
34 | chown root:sys /var/empty
|
---|
35 | groupadd sshd
|
---|
36 | useradd -c 'sshd privsep' -d /var/empty -g sshd -s /bin/false sshd</userinput></screen>
|
---|
37 |
|
---|
38 | <para>Prepare OpenSSH for compilation:</para>
|
---|
39 |
|
---|
40 | <screen><userinput>./configure --prefix=/usr --sysconfdir=/etc/ssh \
|
---|
41 | --libexecdir=/usr/sbin --with-md5-passwords</userinput></screen>
|
---|
42 |
|
---|
43 | <para>Compile the package:</para>
|
---|
44 |
|
---|
45 | <screen><userinput>make</userinput></screen>
|
---|
46 |
|
---|
47 | <para>Install the package:</para>
|
---|
48 |
|
---|
49 | <screen><userinput>make install</userinput></screen>
|
---|
50 |
|
---|
51 | <para>Make OpenSSH usable by the root user.</para>
|
---|
52 |
|
---|
53 | <screen><userinput>echo "PermitRootLogin yes" >> /etc/ssh/sshd_config</userinput></screen>
|
---|
54 |
|
---|
55 | </sect2>
|
---|
56 |
|
---|
57 | <sect2 id="contents-openssh" role="content"><title>Contents of OpenSSH</title>
|
---|
58 |
|
---|
59 | <segmentedlist>
|
---|
60 | <segtitle>Installed programs</segtitle>
|
---|
61 | <seglistitem><seg>ssh, sshd, ssh-agent, ssh-add, sftp, scp, ssh-keygen,
|
---|
62 | sftp-server and ssh-keyscan</seg></seglistitem>
|
---|
63 | </segmentedlist>
|
---|
64 |
|
---|
65 | <variablelist><bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
---|
66 | <?dbfo list-presentation="list"?>
|
---|
67 |
|
---|
68 | <varlistentry id="ssh">
|
---|
69 | <term><command>ssh</command></term>
|
---|
70 | <listitem>
|
---|
71 | <para>The basic rlogin/rsh-like client program</para>
|
---|
72 | <indexterm zone="ch-system-openssh ssh"><primary sortas="b-ssh">ssh</primary></indexterm>
|
---|
73 | </listitem>
|
---|
74 | </varlistentry>
|
---|
75 |
|
---|
76 | <varlistentry id="sshd">
|
---|
77 | <term><command>ssh</command></term>
|
---|
78 | <listitem>
|
---|
79 | <para>The daemon that listens for ssh login requests</para>
|
---|
80 | <indexterm zone="ch-system-openssh sshd"><primary sortas="b-ssh">sshd</primary></indexterm>
|
---|
81 | </listitem>
|
---|
82 | </varlistentry>
|
---|
83 |
|
---|
84 | <varlistentry id="ssh-agent">
|
---|
85 | <term><command>ssh-agent</command></term>
|
---|
86 | <listitem>
|
---|
87 | <para>An authentication agent that can store private keys</para>
|
---|
88 | <indexterm zone="ch-system-openssh ssh-agent"><primary sortas="b-ssh-agent">ssh-agent</primary></indexterm>
|
---|
89 | </listitem>
|
---|
90 | </varlistentry>
|
---|
91 |
|
---|
92 | <varlistentry id="ssh-add">
|
---|
93 | <term><command>ssh-add</command></term>
|
---|
94 | <listitem>
|
---|
95 | <para>Tool which adds keys to the ssh-agent</para>
|
---|
96 | <indexterm zone="ch-system-openssh ssh-add"><primary sortas="b-ssh-add">ssh-add</primary></indexterm>
|
---|
97 | </listitem>
|
---|
98 | </varlistentry>
|
---|
99 |
|
---|
100 | <varlistentry id="sftp">
|
---|
101 | <term><command>sftp</command></term>
|
---|
102 | <listitem>
|
---|
103 | <para>FTP-like program that works over SSH1 and SSH2 protocols</para>
|
---|
104 | <indexterm zone="ch-system-openssh sftp"><primary sortas="b-sftp">sftp</primary></indexterm>
|
---|
105 | </listitem>
|
---|
106 | </varlistentry>
|
---|
107 |
|
---|
108 | <varlistentry id="scp">
|
---|
109 | <term><command>scp</command></term>
|
---|
110 | <listitem>
|
---|
111 | <para>File copy program that acts like rcp</para>
|
---|
112 | <indexterm zone="ch-system-openssh scp"><primary sortas="b-scp">scp</primary></indexterm>
|
---|
113 | </listitem>
|
---|
114 | </varlistentry>
|
---|
115 |
|
---|
116 | <varlistentry id="ssh-keygen">
|
---|
117 | <term><command>ssh-keygen</command></term>
|
---|
118 | <listitem>
|
---|
119 | <para>Key generation tool</para>
|
---|
120 | <indexterm zone="ch-system-openssh ssh-keygen"><primary sortas="b-ssh-keygen">ssh-keygen</primary></indexterm>
|
---|
121 | </listitem>
|
---|
122 | </varlistentry>
|
---|
123 |
|
---|
124 | <varlistentry id="sftp-server">
|
---|
125 | <term><command>sftp-server</command></term>
|
---|
126 | <listitem>
|
---|
127 | <para>SFTP server subsystem</para>
|
---|
128 | <indexterm zone="ch-system-openssh sftp-server"><primary sortas="b-sftp-server">sftp-server</primary></indexterm>
|
---|
129 | </listitem>
|
---|
130 | </varlistentry>
|
---|
131 |
|
---|
132 | <varlistentry id="ssh-keyscan">
|
---|
133 | <term><command>ssh-keyscan</command></term>
|
---|
134 | <listitem>
|
---|
135 | <para>Utility for gathering public host keys from a number of hosts</para>
|
---|
136 | <indexterm zone="ch-system-openssh ssh-keyscan"><primary sortas="b-ssh-keyscan">ssh-keyscan</primary></indexterm>
|
---|
137 | </listitem>
|
---|
138 | </varlistentry>
|
---|
139 |
|
---|
140 | </variablelist>
|
---|
141 |
|
---|
142 | </sect2>
|
---|
143 |
|
---|
144 | </sect1>
|
---|