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One Identity Safeguard for Privileged Sessions 7.0.1.1 LTS - Administration Guide

Preface Introduction The concepts of One Identity Safeguard for Privileged Sessions (SPS)
The philosophy of One Identity Safeguard for Privileged Sessions (SPS) Policies Credential Stores Plugin framework Indexing Supported protocols and client applications Modes of operation Connecting to a server through One Identity Safeguard for Privileged Sessions (SPS) Archive and backup concepts Maximizing the scope of auditing IPv6 in One Identity Safeguard for Privileged Sessions (SPS) SSH host keys Authenticating clients using public-key authentication in SSH The gateway authentication process Four-eyes authorization Network interfaces High Availability support in One Identity Safeguard for Privileged Sessions (SPS) Versions and releases of One Identity Safeguard for Privileged Sessions (SPS) Accessing and configuring One Identity Safeguard for Privileged Sessions (SPS)
Cloud deployment considerations The Welcome Wizard and the first login Basic settings
Supported web browsers and operating systems The structure of the web interface Network settings Configuring date and time System logging, SNMP and e-mail alerts Configuring system monitoring on SPS Data and configuration backups Archiving Using plugins Forwarding data to third-party systems Starling integration
User management and access control Managing One Identity Safeguard for Privileged Sessions (SPS)
Controlling One Identity Safeguard for Privileged Sessions (SPS): reboot, shutdown Managing One Identity Safeguard for Privileged Sessions (SPS) clusters Managing a High Availability One Identity Safeguard for Privileged Sessions (SPS) cluster Upgrading One Identity Safeguard for Privileged Sessions (SPS) Managing the One Identity Safeguard for Privileged Sessions (SPS) license Accessing the One Identity Safeguard for Privileged Sessions (SPS) console Sealed mode Out-of-band management of One Identity Safeguard for Privileged Sessions (SPS) Managing the certificates used on One Identity Safeguard for Privileged Sessions (SPS)
General connection settings HTTP-specific settings ICA-specific settings MSSQL-specific settings RDP-specific settings SSH-specific settings Using Sudo with SPS Telnet-specific settings VMware Horizon View connections VNC-specific settings Indexing audit trails Using the Search interface Advanced authentication and authorization techniques Reports The One Identity Safeguard for Privileged Sessions (SPS) REST API One Identity Safeguard for Privileged Sessions (SPS) scenarios Troubleshooting One Identity Safeguard for Privileged Sessions (SPS)
Network troubleshooting Gathering data about system problems Viewing logs on One Identity Safeguard for Privileged Sessions (SPS) Changing log verbosity level of One Identity Safeguard for Privileged Sessions (SPS) Collecting logs and system information for error reporting Collecting logs and system information of the boot process for error reporting Support hotfixes Status history and statistics Troubleshooting a One Identity Safeguard for Privileged Sessions (SPS) cluster Understanding One Identity Safeguard for Privileged Sessions (SPS) RAID status Restoring One Identity Safeguard for Privileged Sessions (SPS) configuration and data VNC is not working with TLS Configuring the IPMI from the BIOS after losing IPMI password Incomplete TSA response received Using UPN usernames in audited SSH connections
Using SPS with SPP Configuring external devices Using SCP with agent-forwarding Security checklist for configuring One Identity Safeguard for Privileged Sessions (SPS) Jumplists for in-product help Configuring SPS to use an LDAP backend Glossary

Creating an external Signing CA

Overview

The External Signing CA plugin's purpose is to generate certificate and private key pairs signed by a Certificate Authority. By using this type of plugin the certificate signing can be tailored to fit any custom requirement.

Details

The plugin is a .zip file containing a MANIFEST and a main.py file.

The MANIFEST file

The MANIFEST file is a YAML file, and should conform to version 1.2 of the YAML specification. It should contain the following information about the plugin:

api: 1.0
type: signingca
name: MySigningCaPlugin
version: 1.0
description: My custom Signing CA

The type of the plugin must be signingca.

The main.py file

A Plugin class containing the following methods must be defined in the main.py file:

  • generate_for_addresses: generates a key/certificate pair for the given addresses (IP/DNS)

  • generate_for_username: generates a key/certificate pair for the given username

  • generate_for_subject: generates a key/certificate pair for the given subject values

Method arguments

Each method must take the following arguments:

  • generate_for_addresses:

    • addresses: {list of str} - contains either IP or DNS addresses for which the certificate shall be issued

    • keytype: {str} - contains a fixed value of 'RSA' or 'DSS' indicating the requested key type for the certificate

  • generate_for_username:

    • username {str} - contains the username for which the certificate shall be issued

    • keytype: {str} - contains a fixed value of 'RSA' or 'DSS' indicating the requested key type for the certificate

  • generate_for_subject:

    • subject {list of (str, str)} - contains the certificate subject as type-value pairs (tuples). Valid types are the following:

      • 'C' country name

      • 'ST' state or province name

      • 'L' locality name

      • 'O' orangization name

      • 'OU' organizational unit

      • 'CN' common name

      • 'emailAddress' email address

    • keytype: {str} - contains a fixed value of 'RSA' or 'DSS' indicating the requested key type for the certificate

Method return values

Each method returns a {dict} that must have the following keys:

  • key: {str} the generated key

  • chain: {list of str} a PEM encoded certificate chain containing the generated certificate as the first element

Example

The code below demonstrates a simple plugin that can sign certificates with a built in CA. By default it uses a pre-generated CA certificate and key to complete signing requests. To use a custom certificate, provide a certificate and a key in a python dict format in the configuration field.

NOTE: If you wish to try this sample code, you will need to provide a MANIFEST file (see below) and the following package dependencies in the .zip file alongside the plugin:

  • asn1crypto

  • certbuilder

  • oscrypto

main.py:

#!/usr/bin/env pluginwrapper3

#
# Copyright (c) One Identity
# All Rights Reserved.
#

from ast import literal_eval
from certbuilder import CertificateBuilder, pem_armor_certificate
from ipaddress import ip_address
from oscrypto import asymmetric

class Plugin(object):

    plugin_root_ca = """-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----"""

    plugin_root_ca_key = """-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----"""

    def __init__(self, configuration=""):
        self.cert_x509name = {
            'country_name': 'HU',
            'state_or_province_name': 'Budapest',
            'locality_name': 'Budapest',
            'organization_name': 'One Identity',
            'common_name': '',
        }
        self.cert_alt_domains = []
        self.cert_alt_ips = []

        if configuration is not "":
            try:
                configdict = literal_eval(configuration)
                self.plugin_root_ca = configdict['ca']
                self.plugin_root_ca_key = configdict['key']
            except Exception:
                pass

        self.root_ca_certificate = asymmetric.load_certificate(bytes(self.plugin_root_ca, 'utf-8'))
        self.root_ca_key = asymmetric.load_private_key(bytes(self.plugin_root_ca_key, 'utf-8'))

    def _sign_certificate(self):
        end_entity_public_key, end_entity_private_key = asymmetric.generate_pair(self.cert_keytype, bit_size=2048)
        end_entity_private_key = asymmetric.dump_private_key(end_entity_private_key, None)
        end_entity_subject = self.cert_x509name

        builder = CertificateBuilder(
            end_entity_subject,
            end_entity_public_key
        )

        builder.subject_alt_domains = self.cert_alt_domains
        builder.subject_alt_ips = self.cert_alt_ips
        builder.issuer = self.root_ca_certificate
        end_entity_certificate = builder.build(self.root_ca_key)
        end_entity_certificate = pem_armor_certificate(end_entity_certificate)
        return end_entity_certificate, end_entity_private_key

    _subject_type_mapping = {
        'C': 'country_name',
        'ST': 'state_or_province_name',
        'L': 'locality_name',
        'O': 'organization_name',
        'OU': 'organizational_unit_name',
        'CN': 'common_name',
        'emailAddress': 'email_address',
    }

    def _set_certificate_x509_name(self, x509name):
        for (t, v) in x509name:
            self.cert_x509name[self._subject_type_mapping[t]] = v

    def _set_certificate_keytype(self, keytype):
        # Certbuilder lists DSS key as DSA so we have to translate the string here
        if keytype == "dss": keytype = "dsa"
        if keytype not in ['dsa', 'rsa']:
            raise ValueError('Certificate type should be either \'rsa\' or \'dss\'')
        else:
            self.cert_keytype = keytype

    def _set_certificate_cn(self, cn):
        self.cert_x509name['common_name'] = cn

    def _set_certificate_addresses(self, addresses):
        for address in addresses:
            try:
                ip_address(address)
                self.cert_alt_ips.append(address)
            except ValueError:
                self.cert_alt_domains.append(address)

    def _build_response(self, cert, key):
        return {'key': key.decode('ascii'), 'chain': [cert.decode('ascii'), self.plugin_root_ca]}

    def generate_for_addresses(self, addresses: list, keytype: str):
        self._set_certificate_keytype(keytype)
        self._set_certificate_addresses(addresses)
        self._set_certificate_cn(addresses[0])
        return self._build_response(
            *self._sign_certificate()
        )

    def generate_for_username(self, username: str, keytype: str):
        self._set_certificate_keytype(keytype)
        self._set_certificate_cn(username)
        return self._build_response(
            *self._sign_certificate()
        )

    def generate_for_subject(self, x509name: list, keytype: str):
        self._set_certificate_keytype(keytype)
        self._set_certificate_x509_name(x509name)
        return self._build_response(
            *self._sign_certificate()
        )

Use the following snippet as the MANIFEST file:

# Name of the plugin, may contain [a-zA-Z0-9]
name: HelloSigningCaPlugin

# Version of the plugin, only for display purposes
version: 0.1

# Type of the plugin - this is a signingca plugin
type: signingca

# API version of the SCB the plugin was written for, in major.minor format
api: 1.0

# Free form description.
description: This is an example plugin used for testing.

# Entry point for the plugin (also for running with python3)
entry_point: main.py

Creating a Local User Database

Local User Databases are available for HTTP, RDP, SSH and Telnet protocols, and can be used to authenticate the clients to credentials that are locally available on One Identity Safeguard for Privileged Sessions (SPS). Such credentials include passwords and public keys. Local User Databases are most commonly used in inband gateway authentication scenarios.

NOTE: To store credentials on SPS and use them to authenticate on the server, use a local Credential Store. For details, see Using credential stores for server-side authentication.

To create a Local User Database

  1. Navigate to Policies > Local User Databases and click .

  2. Enter the name of the Local User Database.

  3. Click to add entries.

    Figure 192: Policies > Local User Databases — Mapping keys

  4. Enter the name of the user into the Username field.

    NOTE: If you also use Usermapping policies, enter the username that the client will use on the server side. If you also use gateway authentication, the gateway username can be used as well.

  5. If you use public-key based authentication on the client side, click the icon in the Public Keys field, and upload the public key of the client.

    SPS will verify that a client trying to use the username set in Step 3 is authenticating itself with the private key that corresponds to the uploaded public key or certificate.

    TIP: One Identity recommends using 2048-bit RSA keys (or stronger).

  6. Repeat the above steps to add other users as required.

  7. Click .

  8. Navigate to the Authentication Policies tab of the respective protocol and select the Local User Database there.

Configuring cleanup for the One Identity Safeguard for Privileged Sessions (SPS) connection database

One Identity Safeguard for Privileged Sessions (SPS) can automatically archive audit trails older than a specified retention time. However, the .zat file and the metadata of the corresponding connections are not deleted from the SPS connection database. Deleting the stored data about old connections decreases the size of the database, making searches faster, and might be also required by certain policies or regulations. The period after which the .zat file and the metadata is deleted can be specified individually for the different protocols (for example, data about SSH connections can be stored longer than other connections) and also for every connection policy.

To configure SPS to delete the .zat file and the metadata of old connections for a particular protocol

  1. Navigate to the Global Options page of the respective protocol, for example, to SSH Control > Global Options.

  2. Figure 193: <Protocol name> Control > Global Options — Configuring connection database cleanup for a protocol

    In the Delete data from SPS after field, enter how long SPS (in days) must keep the .zat file and the metadata. For example, if you specify 365, SPS will delete the data of connections older than a year. Enter zero (0) to keep the data indefinitely (this is also the default behavior of SPS).

    NOTE: The database cleanup occurs once a day at 22:01 PM.

  3. Click Commit and if needed, repeat the previous step for other protocols.

  4. Figure 194: <Protocol name> Control > Connections — Configuring connection database cleanup for a connection

    To delete the .zat file and the metadata of certain connections earlier than the time set in the Global Options > Delete data from SPS after field of the protocol, navigate to the particular connection policy. In the Delete data from SPS after field, enter how long SPS (in days) must keep the .zat file and the metadata of the sessions of this connection policy. Enter zero (0) to use the settings of the protocol (this is also the default behavior of SPS).

  5. Click Commit and if needed, repeat the previous step for other connections.

    Expected outcome

    From the connection database, every day, SPS deletes the .zat file and the metadata of connections that are older than the given cleanup time.

Sharing SPS functions with SPP

If you have linked an SPP appliance to SPS and want to share specific functions with SPP, use the Functions shared with SPP option. This option lists the shared SPS functions that you can use in SPP without further configuration.

The following example displays the available shared functions under the SSH Control option.

Figure 195: SSH Control > Connections — Functions shared with SPP

Share connection policy with SPP

The Share connection policy with SPP option is supported currently with SSH and RDP connections. To make a specific SSH or RDP connection policy available in SPP to initiate sessions, select Share connection policy with SPP and set the configuration specified in the respective section:

Credential injection

The RDP Application session initiated on the SPP side provides the password automatically for the RemoteApp Launcher. To use credential injection, use a connection policy for the RDP Application session that has Credential injection selected.

NOTE: To use the credential injection function, you must select the Share connection policy with SPP option as well.

For more information, see Using credential injection in SPP-initiated RDP sessions.

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