User's Guide
What It Is
What's New
Key Features List
ClearBox Enterprise vs ClearBox
System Requirements
Purchasing Licenses
Getting Started
Quick Start
Understanding Server Components
Managing User Accounts
Configuring RADIUS Realms
Realm Settings
Realm Rules
Dynamic Realm Rules
Authentication Protocols Compatibility
Logging Authentication Packets
Logging Discarded Requests
Account Log Files
Realm Settings
Configuring SQL Queries
Private RADIUS Attributes
Regular Expressions Syntax
RADIUS Clients
RADIUS Client Settings
Dynamic Clients Settings
SQL Data Sources
SQL Data Source Settings
LDAP Servers
LDAP Server Settings
Remote RADIUS Servers
Remote RADIUS Server Settings
State Servers
State Server Settings
Meta Configuration
Meta Configuration
Meta Configuration Settings
Meta Base Schema
TLS Settings
Creating SSL Certificates
Creating Server Sertificate
Requesting Server Certificate
Creating Client Certificates
Revoking a Certificate or Renewing CRL
Exporting CA Certificate
Issuing a Certificate in Active Directory CA
Remote Configuration
Advanced ISP Billing Integration
DTH Billing Integration
Platypus Billing System Intergration
OnDO SIP Server Integration
How Do I...
Wi-Fi Security
Wireless Authentication
Wi-Fi and RADIUS
Supported EAP Authentication Types
Security Considerations
10 Tips for Wireless Network Security
Administering the Server
Debug Logs
Using Client Tool
List of Server Errors
Maintaining RADIUS Dictionary
Basic Concepts
Wireless Authentication
Authentication Protocols
RADIUS Attributes
Example of RADIUS Packet Transactions
List of Standard RADIUS Attributes
Technical Support
Purchasing Licenses

ClearBox Enterprise Server 2.0 Online Manual
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ClearBox Enterprise Serverâ„¢ 2.0. User's Guide

State Servers

A state server is the place where ClearBox Server stores information about currently established user connections. When a connection is opened and a user's session starts, ClearBox uses accounting request to add an entry to the state server about this session. When the session is terminated, ClearBox removes its entry from the state server table.

State servers are used by ClearBox to perform 'double-logon prevention', i.e. to control the number of sessions a user may start simultaneously. You may configure this value as a global realm value, when this limit is checked for every user authenticated in the realm, or for a particular user. In the latter case the limit value is retrieved from a database.

State server is implemented as a database table, where all rows represent current connections to NASes. All you need when setting up a new state server is to specify SQL commands used to add a row, remove it, or clear all entries when a NAS reboots.

See how to configure a state server.

How to create a new state server:

1. Right-click the 'State servers' node in the left tree and select 'Add New State Server':

2. Type the new state server name instead of <new id> text:

3. Configure its settings and click 'Apply changes'.

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