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--- virtualization:ras:ras [2019/06/27 12:02]
jcooper
+++ virtualization:ras:ras [2023/09/06 09:38] (current)
gcooper
@@ Line 1: / Line 1: @@
 ====== Parallels RAS – Remote Application Server ======
-See also **[[virtualization:ras:ras_thin_client_server|RAS ThinClient Server]]**
 **Client Downloads**: https://www.parallels.com/products/ras/download/client/
@@ Line 161: / Line 159: @@
 ===== Policies =====
-After the Parallels RAS client has been configured and used to log in once the policies set here will take effect.
+After the Parallels RAS client has been configured and used to log in once, the policies set here will take effect.
   * RAS Console -> Policies -> Plus sign for New
@@ Line 168: / Line 166: @@
   * Control Settings -> Password (check Do NOT save password)
+===== Brute Force Attacks =====
+https://download.parallels.com/ras/v17/docs/en_US/Parallels-RAS-v17-Administrators-Guide/39294.htm
+Older Parallels RAS installations included a default Gateway Tunneling Policy that would tunnel regular RDP (mstsc.exe) client connections into servers on TCP port 80.
+Frequently, botnets or other brute force attackers will abuse port 80 for RDP connections leading to annoying warning pop-ups and RAS ''controller.log'' entries.  {{ :virtualization:ras:ras_brute_force_pop-up.jpg?direct&250|RAS Brute Force Pop-Up}}
+==== Steps to Disable ====
+Performing these actions will restrict native MSTSC from accessing the Gateway on the RAS Gateway port (default 80).  So if an end-user tries using MSTSC (ipaddress:80) it won't be permitted.  Same goes for RDP connections using the RAS Client pointing to port 80.
+  - Open to Remote Application Server console.
+  - Open the list of Gateways within your farm.
+  - Highlight the Gateway.
+  - Head to Tunneling Policies tab.
+  - Double click the policy (Usually Default policy is used. If you happen to use another policy make sure to double click the used one).
+  - Click "None" checkpoint.
+  - Apply new setting in RAS Console.
+Note: Performing these actions will restrict native MSTSC from accessing the Gateway on the RAS Gateway port (default 80) So if the end-user will try using MSTSC ipaddress:80 it won't let them in. Same with RDP connection on the Client pointing to port 80.

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