The universal SIEM forwarder can automatically send data about the audited sessions to Splunk, ArcSight, or other third-party systems. The messages are standard syslog messages in RFC3164 format (also called legacy-syslog or BSD-syslog format). The body of the syslog message (the MESSAGE part) can be formatted as JavaScript Object Notation (JSON), Common Event Format (CEF), or JSON-CIM format. For information about the details of the messages that the universal SIEM forwarder sends to the external SIEM network elements, see Message format forwarded to SIEMs.
One of the main advantages of the universal SIEM forwarder is that it has a lower impact on network and performance.
Each message contains the minimal information relevant to the event. Use the built-in correlation feature of the SIEM to combine events by session ID and view all information in one place.
SPS version 5 F9 or later
Splunk version 6.5 or later
The CEF format is supported on all currently supported versions of ArcSight ESM, IBM QRadar and Microsoft Azure Sentinel.
SPS does not send historical data, only data from the sessions started after you complete this procedure.
GET https://<IP-address-of-SPS>/api/configuration/management/universal_siem_forwarder
Cookie name | Description | Required | Values |
---|---|---|---|
session_id | Contains the authentication token of the user | Required |
The value of the session ID cookie received from the REST server in the authentication response, for example, a1f71d030e657634730b9e887cb59a5e56162860. For details on authentication, see Authenticate to the SPS REST API. Note that this session ID refers to the connection between the REST client and the SPS REST API. It is not related to the sessions that SPS records (and which also have a session ID, but in a different format). |
The following command lists the endpoints for SNMP configuration settings.
curl --cookie cookies https://<IP-address-of-SPS>/api/configuration/management/universal_siem_forwarder
The following is a sample response received when querying the endpoint.
For details of the meta object, see Message format.
{ "body": { "enabled": true, "prefix": "myprefix", "targets": [ { "format": "json_cim", "name": "siem_target", "protocol": { "selection": "syslog", "value": { "address": { "selection": "ip", "value": "192.168.1.1" }, "port": 5555, "tls": { "selection": "disabled" } } } } ] }
Elements | Type | Description | ||
---|---|---|---|---|
body | JSON object | Top-level element | ||
enabled | boolean |
Set to true and configure the other options as needed for your environment to forward session data from SPS to an external SIEM device. | ||
prefix | string |
A prefix to make the data more readable. The prefix is added to each JSON key. For example, if you use sps_ as a prefix, in the forwarded JSON message the {"protocol": "ssh"} key changes to {"sps_protocol": "ssh"}, which allows you to identify the forwarded data more easily. Other formats ignore the Prefix option. | ||
targets | JSON object |
Specifies the details of the target SIEM device. | ||
format | cef | json | json_cim |
The format of the message sent to the SIEM. Use the following:
| ||
name | string |
The name of the SIEM forwarder policy. | ||
protocol | JSON object |
Specifies connection details to the target SIEM device. For example: "protocol": { "selection": "syslog", "value": { "address": { "selection": "ip", "value": "192.168.1.1" }, "port": 5555, "tls": { "selection": "secure", "trusted_ca_list_ref": "1241814345d074efd1ded7" } } } |
Elements of protocol | Type | Description | ||
---|---|---|---|---|
selection | string |
Must be syslog | ||
value | JSON object |
Contains the address of the SIEM and the TLS settings of the connection. | ||
address | JSON object |
Contains the type and the value of the address. For example: "address": { "selection": "ip", "value": "192.168.1.1" }, "address": { "selection": "fqdn", "value": "my-siem.example.com" }, | ||
selection | string |
Defines the address type (IP or domain name). Possible values are:
| ||
value | string | The address of the server, corresponding to the format set in the selection field. | ||
port | integer |
The port number of the server. | ||
tls | JSON object |
The security settings of the connection. For example: tls": { "selection": "secure", "trusted_ca_list_ref": "1241814345d074efd1ded7" } "tls": { "selection": "disabled" } | ||
selection | disabled | insecure | secure |
| ||
trusted_ca_list_ref | string |
The key of the trusted CA list used to validate the certificate of the SIEM. This option is required if you set "selection": "secure". For details on creating trusted CA lists, see Trusted Certificate Authorities. |
For details, see Open a transaction.
If you want to send the messages in an encrypted connection to the SIEM and also validate the certificate of the SIEM, upload the certificate of the CA that signed the certificate of the SIEM to a trusted CA list. For details on creating trusted CA lists, see Trusted Certificate Authorities.
POST the JSON object to the https://<IP-address-of-SPS>/api/configuration/management/universal_siem_forwarder endpoint. You can find a detailed description of the available parameters listed in Splunk integration. For example,
{ "enabled": true, "prefix": "myprefix", "targets": [ { "format": "json_cim", "name": "siem_target", "protocol": { "selection": "syslog", "value": { "address": { "selection": "ip", "value": "192.168.1.1" }, "port": 5555, "tls": { "selection": "disabled" } } } } ] }
For details, see Commit a transaction.
When you have a set of two or more Safeguard for Privileged Sessions (SPS) instances in your deployment, you can join them into a cluster. This has several advantages. You can:
Manage the nodes from one central location.
Monitor their status and update their configuration centrally.
Search all session data recorded by all nodes in the cluster on a single node.
Scale the performance of the cluster by adding new nodes and joining them to the cluster easily.
Extend auditing to other networks by adding new nodes to the cluster and joining them to the cluster.
This is achieved by assigning roles to the individual nodes in your cluster: you can set one of your SPS nodes to be the Central management node and the rest of the nodes are managed from this central node.
NOTE: All nodes in a cluster must run the same version of SPS.
NOTE: To configure the /api/cluster/ endpoint, your usergroup must have "read and write/perform" privileges assigned to the Basic Settings > Cluster management object. You can configure this on the Users & Access Control > Appliance Access page of SPS's web interface.
For details, see "Managing user rights and usergroups" in the Administration Guide.
GET https://<IP-address-of-any-node-in-cluster>/api/cluster
Cookie name | Description | Required | Values |
---|---|---|---|
session_id | Contains the authentication token of the user | Required |
The value of the session ID cookie received from the REST server in the authentication response, for example, a1f71d030e657634730b9e887cb59a5e56162860. For details on authentication, see Authenticate to the SPS REST API. Note that this session ID refers to the connection between the REST client and the SPS REST API. It is not related to the sessions that SPS records (and which also have a session ID, but in a different format). |
The following command lists the endpoints available under the cluster endpoint.
curl --cookie cookies https://<IP-address-of-any-node-in-cluster>/api/cluster
The following is a sample response received.
For details of the meta object, see Message format.
{ "items": [ { "key": "configuration_sync", "meta": { "href": "/api/cluster/configuration_sync" } }, { "key": "join_request", "meta": { "href": "/api/cluster/join_request" } }, { "key": "nodes", "meta": { "href": "/api/cluster/nodes" } }, { "key": "promote", "meta": { "href": "/api/cluster/promote" } }, { "key": "status", "meta": { "href": "/api/cluster/status" } } ], "meta": { "href": "/api/cluster", "join_request": "/api/cluster/join_request", "nodes": "/api/cluster/nodes", "parent": "/api", "promote": "/api/cluster/promote", "status": "/api/cluster/status", "configuration_sync": "/api/cluster/configuration_sync" } }
Element | Type | Description | ||
---|---|---|---|---|
items | Top-level element (list of JSON objects) | List of endpoints (objects) available from the current endpoint. | ||
key | string | The ID of the endpoint. | ||
meta | Top-level item (JSON object) | Contains the path to the endpoint. | ||
href | string (relative path) | The path of the resource that returned the response. |
The following table lists the typical status and error codes for this request. For a complete list of error codes, see Application level error codes.
Code | Description | Notes |
---|---|---|
201 | Created | The new resource was successfully created. |
401 | Unauthenticated | The requested resource cannot be retrieved because the client is not authenticated and the resource requires authorization to access it. The details section contains the path that was attempted to be accessed, but could not be retrieved. |
403 | Unauthorized | The requested resource cannot be retrieved because the client is not authorized to access it. The details section contains the path that was attempted to be accessed, but could not be retrieved. |
404 | NotFound | The requested object does not exist. |
You can build a cluster by promoting a Safeguard for Privileged Sessions node to the role of the Central Management node, and then join other nodes to your cluster.
To promote a node to be the Central Management node, complete the following steps:
For details, see Open a transaction.
POST an empty request to the https://<IP-address-of-node-to-become-Central-Management-node>/api/cluster/promote endpoint.
The following is a sample response received.
For details of the meta object, see Message format.
{ "body": { "address": "<IP-address-of-Central-Management-node>", "roles": [ "central-management" ] }, "meta": { "href": "/api/cluster/nodes/b35c54da-b556-4f91-ade5-d26283d68277", "parent": "/api/cluster/nodes", "remaining_seconds": 28800 } }
Elements | Type | Description | |
---|---|---|---|
body | Top-level element (JSON object) | Contains the JSON object of the node. | |
address | string | The IP address of the node. | |
roles | string | The role of the node. |
For details, see Commit a transaction.
Once you have a Central Management Safeguard for Privileged Sessions node in place, then you can join other nodes to your cluster.
To join nodes to your cluster, complete the following steps for each node that you want to join to the cluster:
For details, see Open a transaction.
POST the IP address of the Central Management node as a JSON object to the https://<IP-address-of-node-to-join-to-cluster>/api/cluster/join_request endpoint. The body of the POST request should be the following:
{ "central_management_address": "<IP-address-of-Central-Management-node>" }
For example:
curl -X POST -H "Content-Type: application/json" --cookie cookies https://<IP-address-of-node-to-join-to-cluster>/api/cluster/join_request --data '{"central_management_address": "<IP-address-of-Central-Management-node>"}'
The following is a sample response received.
For details of the meta object, see Message format.
By default, no role is assigned to a non-management node, that is why the "roles" array is empty.
{ "body": { "address": "<IP-address-of-node-joined-to-cluster>", "node_id": "46f97a58-4028-467d-9a22-9cfe78ae3e1c", "psk": "Ler7HZDFmZCxnLLgHNRfZYfORhlZS99l9vEVr5UKtJEb1d4WeaHcBmQJLs4VDWIn", "roles": [] }, "meta": { "href": "/api/cluster/join_request", "parent": "/api/cluster", "remaining_seconds": 600 } }
Elements | Type | Description | |
---|---|---|---|
body | Top-level element (JSON object) | Contains the JSON object of the node. | |
address | string | The IP address of the node. | |
node_id | string | A reference ID for the node. | |
psk | string | The pre-shared key of the node used for authentication. | |
roles | string | The role of the node. |
POST the "body" object of the response to the https://<IP-address-of-Central-Management-node>/api/cluster/nodes endpoint as a JSON object. The body of the POST request should be the following:
{ "address": "<IP-address-of-node-joined-to-cluster>", "node_id": "46f97a58-4028-467d-9a22-9cfe78ae3e1c", "psk": "Ler7HZDFmZCxnLLgHNRfZYfORhlZS99l9vEVr5UKtJEb1d4WeaHcBmQJLs4VDWIn", "roles": [] },
For example:
POST -H "Content-Type: application/json" --cookie cookies https://<IP-address-of-Central-Management-node>/api/cluster/nodes --data '{"address": "<IP-address-of-node-joined-to-cluster>", "node_id": "46f97a58-4028-467d-9a22-9cfe78ae3e1c", "psk": "Ler7HZDFmZCxnLLgHNRfZYfORhlZS99l9vEVr5UKtJEb1d4WeaHcBmQJLs4VDWIn","roles": []}'
If the POST request is successful, the response includes:
{ "body": { "address": "<IP-address-of-node-joined-to-cluster>", "roles": [] }, "key": "46f97a58-4028-467d-9a22-9cfe78ae3e1c", "meta": { "href": "/api/cluster/nodes/46f97a58-4028-467d-9a22-9cfe78ae3e1c", "parent": "/api/cluster/nodes", "remaining_seconds": 28800 } }
For details, see Commit a transaction.
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