ACC SHELL

/**
 * File:	include/security/helps.ycp
 * Module:	Security configuration
 * Summary:	Helps definition
 * Authors:	Michal Svec <msvec@suse.cz>
 *
 * $Id: helps.ycp 60161 2009-12-21 14:12:00Z jsuchome $
 *
 * This file contains all helps for the security module screens.
 * They are in one huge map called HELPS.
 */

{

textdomain "security";

/**
 * All helps are here
 */
map HELPS = $[

    /* Read dialog help 1/2 */
    "read" : _("<p><b><big>Initializing Security Configuration</big></b>
<br>Please wait...<br></p>") +

    /* Read dialog help 2/2 */
    _("<p><b><big>Aborting the Initialization</big></b><br>
Safely abort the configuration utility by pressing <b>Abort</b> now.</p>"),


    /* Write dialog help 1/2 */
    "write" : _("<p><b><big>Saving Security Configuration</big></b>
<br>Please wait...<br></p>") +

    /* Write dialog help 2/2 */
    _("<p><b><big>Aborting Saving</big></b><br>
Abort the save procedure by pressing <b>Abort</b>.</p>"),


    /* Boot dialog help 1/3 */
    "boot" : _("<p><b><big>Boot Security</big></b></p>
<p>In this dialog, change various boot settings related to security.</p>") +

    /* Boot dialog help 2/3 */
    _("<p><b>Interpretation of Ctrl + Alt + Del</b>:
Configure what the system should do in response to
someone at the console pressing the CTRL + ALT + DEL key
combination. Usually the system reboots. Sometimes it is desirable
to ignore this event, for example, when the system serves as both
workstation and server.</p>") +

    /* Boot dialog help 3/3 */
    _("<p><b>Shutdown Behaviour of Login Manager</b>:
Set who is allowed to shut down the machine from KDM.</p>
"),


    /* Main dialog help 1/8 */
    "main" : _("<P><BIG><B>Configuring Local Security</B></BIG></P>
<p>Using predefined defaults, change the local security settings, which include
    booting, login, password, user creation, and file permissions. The default
    settings can be modified as needed.
</p>") +

    /* Main dialog help 5/8 */
    _("<p><b>Home Workstation</b>: For a home computer not connected to
any type of a network.</p>") +

    /* Main dialog help 6/8 */
    _("<p><b>Networked Workstation</b>: For a computer connected
to any type of network including the Internet.</p>") +

    /* Main dialog help 7/8 */
    _("<p><b>Network Server</b>: For a computer that provides
any type of service.</p>") +

    /* Main dialog help 8/8 */
    _("<p><b>Custom Settings</b>: Create your own configuration.</p>"),


    /* Login dialog help 1/4 */
    "login" : _("<p><big><b>Login Security</b></big></p>
<p>These login settings
are mainly stored in the /etc/login.defs file.</p>") +

    /* Login dialog help 2/4 */
    _("<p><b>Delay after Incorrect Login Attempt:</b>
It is advisable to wait some time after an incorrect login attempt to prevent
password guessing. Make the time small enough that users do not need to wait to
retry if a password is mistyped. A sensible value is three seconds (<tt>3</tt>).</p>") +

    /* Login dialog help 3/4 */
    _("<p><b>Record Successful Login Attempts:</b> Logging successful login
attempts is useful.  It can help to warn you of unauthorized access to the
system (for example, a user logging in from a different location than usual).
</p>") +

    /* Login dialog help 4/4 */
    _("<p><b>Allow Remote Graphical Login:</b> Checking this allows access
to a graphical login screen for this machine over the network. Remote access
to your machine using a display manager might be a security risk.</p>"),


    /* Password dialog help 1/8 */
    "password" : _("<p>These password settings
are mainly stored in the /etc/login.defs file.</p>") +

    /* Password dialog help 2/8 */
    _("<p><b>Check New Passwords</b>: It is wise to choose a password that
cannot be found in a dictionary and is not a name or other simple, common word.
By checking the box, enforce password checking in regard to these rules.</p>") +

    /* Password dialog help */
    _("<p><b>Minimum Acceptable Password Length:</b>
The minimum acceptable size for the new password reduced by the number
of different character classes (other, upper, lower and digit) used in the new
password. See man pam_cracklib for a more detailed explanation.
This option can only be modified when <b>Check New Passwords</b> is set.</p>") +

    // Password dialog help 4/8
    _("<p><b>Passwords to Remember</b>:
Enter the number of user passwords to store and prevent the user from reusing.
Enter 0 if passwords should not be stored.</p>") +

    /* Password dialog help 5a/8 */
    _("<p><b>Password Encryption Method:</b></p>") +

    /* Password dialog help 5b/8 */
_("<p><b>des</b>, the Linux default method, works in all network environments,
but it restricts you to passwords no longer than eight characters. If you need
compatibility with other systems, use this method.</p>") +

    /* Password dialog help 5c/8 */
_("<p><b>MD5</b> allows longer passwords and is supported by all current Linux 
distributions, but not by other systems or old software.</p>") +

    /* Password dialog help 5d/8 */
_("<p><b>Blowfish</b> is similar to MD5, but uses a different algorithm
to encrypt passwords. A lot of CPU power is needed to calculate the hash,
which makes it difficult to crack passwords with the help of a dictionary.</p>")
    +

    /* Password dialog help 7/8 */
    _("<p><b>Password Age:</b> Set the minimum and
maximum number of days a password may be used.</p>") +

    /* Password dialog help 8/8 */
    _("<p><b>Days before Password Expires Warning</b>: This entry sets the
number of days users are warned before their passwords expire. The longer the
time, the less likely it is that someone can guess passwords.</p>"),


    /* Adduser dialog help 1/2 */
    "adduser" : _("<p><big><b>User Security</b></big></P>
<p>In this dialog, change various settings used to create users.</p>") +

    /* Adduser dialog help 2/3 */
    _("<p><b>User ID Limitations:</b>
Set the minimum and maximum possible user ID.</p>") +

    /* Adduser dialog help 3/3 */
    _("<p><b>Group ID Limitations</b>:
Set the minimum and maximum possible group ID.</p>"),


    /* Misc dialog help 1/14 */
    "misc" : _("<p><big><b>Other Security Settings</b></big></P>
<p>In this dialog, change miscellaneous settings related to local security.</p>") +

    /* Misc dialog help 2/14 */
    _("<p><b>File Permissions</b>: Settings for the permissions
of certain system files are set according to the data in /etc/permissions.secure
or /etc/permissions.easy. Which file is used depends on this selection.
Launching SuSEconfig sets these permissions according to /etc/permissions.*.
This fixes files with incorrect permissions, whether this occurred accidentally
or by intruders.</p><p>
With <b>Easy</b>, most of the system files that are only readable by root
in Secure are modified so other users can also read these files.
Using <b>Secure</b>, certain system files, such as /var/log/messages, can only
be viewed by the user root. Some programs can only be launched by root or by
daemons, not by ordinary users.
The most secure setting is <b>Paranoid</B>. With it, you must
decide which users are able to run X applications and setuid programs.</p>
") +

    /* Misc dialog help 6/14 */
    _("<p><b>User Launching updatedb</b>: The program updatedb runs 
once a day. It scans your entire file system and creates a database (locatedb)
that stores the location of every file. The database can be searched by the
program \"locate\".  Here, set the user that runs this command: <b>nobody</b>
    (few files) or <b>root</b> (all files).</p>") +

    /* Misc dialog help 10/14 */
    _("<p><b>Current Directory in root's Path</b> On a DOS system,
the system first searches for executable files (programs) in the current
directory then in the current path variable. In contrast, a UNIX-like system
searches for them exclusively via the search path (variable PATH).</p>") +

    /* Misc dialog help 11/14 */
    _("<p><b>Current Directory in the Path of Regular Users</b><br> A DOS
system first searches for executable files (programs) in the current directory
then in the current path variable. In contrast, a UNIX-like system searches
for them exclusively via the search path (variable PATH).</p>") +

    /* Misc dialog help 12/14 */
    _("<p>Some systems set up a work-around by adding the dot (\".\") to the
search path, enabling files in the current path to be found and executed.
This is highly dangerous because you may accidentally launch unknown programs in
the current directory instead of the usual systemwide files. As a result,
executing <i>Trojan Horses</i>, which exploit this weakness and invade your system,
is rather easy if you set this option.</p>") +

    /* Misc dialog help 13/14 */
    _("<p>\"yes\": the dot (\".\") is attached to the end of the search
path of root, making it the last to be searched.</p>") +

    /* Misc dialog help 14/14 */
    _("<p>\"no\": the user root always must launch programs in the
current directory prefixed with a \"./\". Example: \"./configure\".</p>") +

    /* Misc dialog help 14/14 */
    _("<p><b>Enable Magic SysRq Keys</b><br> If you check this option, you
will have some control over the system even if it crashes (for example, during kernel
debugging). For details, see /usr/src/linux/Documentation/sysrq.txt</p>"),


    // help text: security overview dialog 1/
    "overview" : _("<P><B>Security Overview</B><BR>This is overview of the most important security settings.</P>")
    // help text: security overview dialog 1/
    + _("<P>To change the current value click the link associated to the option.</P>")
    // help text: security overview dialog 1/
    + _("<P>Check mark in the <B>Security Status</B> column means that the current value of the option is secure.</P>"),

    // an error message (rich text)
    "unknown_status" : _("<P><B>The current value could not be read. The service is probably not installed or the option is missing in the system.</B></P>")


];

map<string,string> help_mapping = $[
    "DISPLAYMANAGER_REMOTE_ACCESS" : _("<P>A display manager provides for a graphical login screen and can be accessed across the network by an X server running on another system if so configured.</P><P>The windows that are being displayed would then transmit their data across the network. If that network is not fully trusted, then the network traffic can be eavesdropped by an attacker, gaining access not only to the graphical content of the display, but also to usernames and passwords that are being used.</P><P>If you don't need <EM>XDMCP</EM> for remote graphical logins then disable this option.</P>"),

    "SYSTOHC" : _("<P>Upon startup, the system time is being set from the hardware clock of the computer. By consequence, setting the hardware clock before shutting down is necessary.</P><P>Consistent system time is essential for the ability of the system to create correct log messages.</P>"),

    "SYSLOG_ON_NO_ERROR" : _("<P>Malfunctions in a system are usually determined by anomalies in its behaviour. Syslog messages about events that reoccur on a regular basis are important to find causes of problems, and the absence of a single record can tell more than the absence of all log record.</P><P>From this standpoint, syslog messages of system events are only useful if they are present.</P>"),

    "DHCPD_RUN_CHROOTED" : _("<P>Chroot execution environments are used to constrain a process to only those files that it needs by placing them in a separate subdirectory and running the process with a changed root (chroot) set to that directory.</P>"),

    "DHCPD_RUN_AS" : _("<P>DHCP client daemon should run as the user <EM>dhcpd</EM> to minimize the possible threat if the service is found vulnerable to a weakness in its program code.</P><P>Please note that dhcpd must not run as <EM>root</EM> or with the <EM>CAP_SYS_CHROOT</EM> capability for the chroot execution confinement to be effective.</P>"),

    "DISPLAYMANAGER_ROOT_LOGIN_REMOTE" : _("<P>Administrators should care to not log on as <EM>root</EM> into an X Window session to minimize the usage of the root privileges.</P><P>This option does not help against careless administrators, but shall prevent attackers to be able to log on as <EM>root</EM> through the display manager if they guess or otherwise acquire the password.</P>"),

    "DISPLAYMANAGER_XSERVER_TCP_PORT_6000_OPEN" : _("<P>X Window clients, e.g. programs that open a window on your display, connect to the X server that runs on the physical machine. Programs can also run on a different system and can display their content on the X server through network connections.</P><P>When enabled it makes the X server listen on a port 6000 plus the display number. Since the network traffic is transferred unencrypted and therefore subject to network sniffing, and since another port held open by a program - here the X server - opens attack options, the secure setting is to disable it.</P><P>To display X Window clients across a network, the use of secure shell (<EM>ssh</EM>) is recommended, which allows the X Window clients to connect to the X server through the encrypted ssh connection.</P>"),

    "SMTPD_LISTEN_REMOTE" : _("<P>The email delivery subsystem is always started. However, it does not expose itself to the outside of the system by default because it does not listen on the SMTP network port 25.</P><P>If you do not deliver emails to your system through the SMTP protocol then disable this option.</P>"),

    "DISABLE_RESTART_ON_UPDATE" : _("<P>If a package containing a service that is currently running is being updated, then the service is restarted after the files of the package are installed.</P><P>This makes sense in most cases, and it is safe to do, considering that many services either need their binaries accessible in the filesystem or their configuration files. These services would just continue to run until the services are stopped, e.g. running daemons are killed.</P><P>This setting should only be changed if there is a specific reason to do so.</P>"),

    "DISABLE_STOP_ON_REMOVAL" : _("<P>If a package containing a service that is currently running is being uninstalled, then the service is stopped before the files of the package are removed.</P><P>This makes sense in most cases, and it is safe to do, considering that many services either need their binaries accessible in the filesystem or their configuration files. These services would just continue to run until the services are stopped, e.g. running daemons are killed.</P><P>This setting should only be changed if there is a specific reason to do so.</P>"),

    "IP_TCP_SYNCOOKIES" : _("<P>A system can be overwhelmed with numerous connection attempts so that the system runs out of memory, leading to a Denial of Service (DoS) vulnerability.</P><P>The use of syncookies is a method that can help in such situations, but in configurations with a very large number of legitimate connection attempts from one source the <EM>Enabled</EM> setting can bring problems with denied TCP connections under high load.</P><P>Still, for most environments, the syncookies are the first line of defense against SYN flood DoS attacks, so the secure setting is <EM>Enabled</EM>.</P>"),

    "IP_FORWARD" : _("<P>IP forwarding means to pass on network packets that have been received, but that are not destined for one of the system's configured network interfaces, e.g. network interface addresses.</P><P>If a system forwards network traffic on ISO/OSI layer 3, it is called a router. If you do not need that routing functionality, then disable this option.</P>") + _("<P>This setting applies to <EM>IPv4</EM> only.</P>"),

    "IPV6_FORWARD" : _("<P>IP forwarding means to pass on network packets that have been received, but that are not destined for one of the system's configured network interfaces, e.g. network interface addresses.</P><P>If a system forwards network traffic on ISO/OSI layer 3, it is called a router. If you do not need that routing functionality, then disable this option.</P>") + _("<P>This setting applies to <EM>IPv6</EM> only.</P>"),

    "ENABLE_SYSRQ": _("<P>Magic SysRq Keys enable some control over the system even if it crashes (e.g. during kernel debugging) or if the system does not respond.</P>"),

    "PERMISSION_SECURITY" : _("<P>There are predefined file permissions in /etc/permissions.* files. The most restrictive file permissions are defined 'secure' or 'paranoid' file.</P>"),

    "CWD_IN_ROOT_PATH" : _("<P>By default the current working directory is not used when searching for executables.</P>") +
    /* Reused from the help text (misc dialog) */
    _("<p>Some systems set up a work-around by adding the dot (\".\") to the
search path, enabling files in the current path to be found and executed.
This is highly dangerous because you may accidentally launch unknown programs in
the current directory instead of the usual systemwide files. As a result,
executing <i>Trojan Horses</i>, which exploit this weakness and invade your system,
is rather easy if you set this option.</p>") +

    _("This setting applies for <EM>root</EM> user and system users."),

    "CWD_IN_USER_PATH" : _("<P>By default the current working directory is not used when searching for executables.</P>") +
    /* Reused from the help text (misc dialog) */
    _("<p>Some systems set up a work-around by adding the dot (\".\") to the
search path, enabling files in the current path to be found and executed.
This is highly dangerous because you may accidentally launch unknown programs in
the current directory instead of the usual systemwide files. As a result,
executing <i>Trojan Horses</i>, which exploit this weakness and invade your system,
is rather easy if you set this option.</p>") +
    _("This setting applies for regular users."),

    "RUNLEVEL3_MANDATORY_SERVICES" : _("<P>Basic system services must be enabled to provide system consistency and to run the security related services.</P>"),
    "RUNLEVEL5_MANDATORY_SERVICES" : _("<P>Basic system services must be enabled to provide system consistency and to run the security related services.</P>"),
    "RUNLEVEL3_EXTRA_SERVICES" : _("<P>Every running service is a potential target of a security attack. Therefore it is recommended to turn off all services which are not used by the system.</P>"),
    "RUNLEVEL5_EXTRA_SERVICES" : _("<P>Every running service is a potential target of a security attack. Therefore it is recommended to turn off all services which are not used by the system.</P>"),
];


/* EOF */
}