How to Enable and Configure Brute-Force Protection for your IP Telephony System.
RdpGuard
Intrusion prevention system for your Windows Server
 
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VoIP/SIP Brute-Force Protection


Protection Overview

RdpGuard protects your VoIP server from brute-force attacks on SIP protocol. It monitors one or multiple SIP ports and blocks attackers IP addresses when the number of failed login attempts reaches the set limit. Check out the instructions below to learn how to enable and configure brute-force protection for SIP protocol.


To enable and configure SIP brute-force protection

Start RdpGuard Dashboard and click on the link next to VoIP/SIP

VoIP/SIP protection link

VoIP/SIP Protection Link in RdpGuard Dashboard

The SIP Settings dialog will open:

sip detection engine settings

SIP Detection Engine Settings

Traffic monitoring method for SIP protocol:

  • WinPcap works on all editions of Windows, but requires installation of either WinPcap or NPcap. It is faster than Raw Sockets and is the recommended choice.
  • Raw Sockets - may not work on Windows Server 2008 (except for R2) or with third-party firewalls and antivirus software. Additionally, it may perform slowly on heavily loaded servers and is not recommended for high-bandwidth setups.

SIP port

You can specify one or multiple comma-separated ports for SIP traffic monitoring.

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