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Knowledge Center

Management

VPN Plus Server provides various management settings and traffic charts to monitor and protect network security.

Overview

You can view real-time network traffic of all and individual VPN services.

  1. Click Overview on the left panel.
  2. In the line chart, you can find sent/received network traffic in the latest two hours. To see traffic at a specific time point, click on the chart.
  3. In the blocks, you can find sent/received network traffic and connection count of each VPN service.

Permission

You can define local, domain, and LDAP user/group permissions to specific VPN services, limit VPN connection speed, and block VPN access to IP addresses.

To define user/group access to VPN services:

  1. Click Permission on the left panel, and go to Services.
  2. Select VPN services by user/group to grant usage permissions.
  3. Click Apply.

Note:

  • If your Synology Router has joined a domain/LDAP service, make sure the total number of user accounts is within 500 to ensure smooth migration or permission adjustments.

To set up speed limit policies:

  1. Click Permission on the left panel, and go to Speed Limit.
  2. Manage speed limit policies in the following ways:
    • To add a speed policy: Click Add and provide required information. Click OK.
    • To edit a speed policy: Select a speed policy and click Edit to change relevant settings. Click OK.
    • To remove a speed policy: Select a speed policy and click Remove.

Note:

  • Speed policies available in the following locations can limit the traffic of Synology SSL VPN clients:
    • VPN Plus Server (at Permission > Speed Limit): You can configure speed policies by user and by VPN service.
    • SRM (at Network Center > Traffic Control): You can configure speed policies by device and by application. Please note that this feature takes effect only if the speed limit service in VPN Plus Server is activated.
  • If the speed policies configured in VPN Plus Server and SRM impose limits on the same VPN client, the stricter speed limit will be applied.

To set up blocking policies:

  1. Click Permission on the left panel, and go to Block List.
  2. Manage blocking policies in the following ways:
    • To add a blocking policy: Click Add. Specify the IP address that should not be accessed, and select target users/groups for this policy. Click OK.
    • To edit a blocking policy: Select a blocking policy and click Edit to change relevant settings. Click OK.
    • To remove a blocking policy: Select a blocking policy and click Remove.

Note:

  • When an internal IP address is blocked from incoming VPN access, it cannot be reached via any VPN service or WebVPN address bar.

Object

Network objects (e.g., subnets or IP ranges) are configurable network items that you can repeatedly apply for quick and consistent VPN configurations.

To manage network objects:

  1. Click Object on the left panel, and go to Address Pool.
  2. Follow the steps below to manage network objects:
    • To add a network object:
      1. Click Add.
      2. Select IP range or Subnet as the object type, and provide required information.
      3. Click OK to save changes.
    • To edit a network object:
      1. Select a network object, and click Edit to change settings.
      2. Click OK to save changes.
    • To remove a network object, select a network object, and click Remove.

Note:

  • Changes made to a network object will be instantly applied to all associated VPN services.

Connection

You can view general trends of VPN connections, and monitor active connections to stop undesired ones.

To view connection history:

  1. Click Connection on the left panel, and go to History.
  2. You can find connection counts in the line chart:
    • To switch the date, select from the Time range drop-down menu.
    • To zoom in, select a desired range on the chart with the mouse.
    • To return to the default range, click Return to Default.
  3. You can find connection information by user in the list. For more details, select a connection and click Details.

To view current connections:

  1. Click Connection on the left panel, and go to Online.
  2. In the list, you can find standard VPN, Synology SSL VPN, WebVPN, and Remote Desktop connections running through the Synology Router.
  3. To stop an undesired connection, select the connection and click Disconnect.

To view WebVPN connections:

  1. Click Connection on the left panel, and go to WebVPN Monitor.
  2. In the list, you can find what users and how many WebVPN clients are accessing a specific domain/website.

Log

You can view records of system management and connection activities for troubleshooting, and limit log storage for suitable space usage.

To view administrator's management:

  1. Click Log on the left panel, and go to Management.
  2. In the list, you can find setting changes performed by the network administrator.

To view users' connection activities:

  1. Click Log on the left panel, and go to User.
  2. In the list, you can find all users' connections records and relevant information.

To manage log settings:

  1. Click Log on the left panel, and go to Log Settings.
  2. Manage logs in the following ways:
    • To limit the log storage, select from the Maximum log usage drop-down menu.
    • To clear logs (i.e., connection history, management records, and all users' connection records), click Clear Logs and select unwanted logs for deletion.

Note:

  • When the specified storage limit is exceeded, older logs will be deleted to accommodate new ones.
Overview
Permission
Object
Connection
Log