tcpTrigger allows you to monitor incoming network connections and automatically start external programs or scripts.
tcpTrigger is an open-source tool that can alert you to incoming network connections and help you defend yourself from various forms of attacks. With tcpTrigger, you can protect yourself from possible network intruders trying to run port scanners to map active hosts and service operations. The application will notify you of incoming ICMP requests or TCP connections.
To steal critical data from your server, hackers must first use a port scanner to map all live hosts and operating services. Incoming ICMP requests or connections to any port can be detected by tcpTrigger. When a connection is found, it can display desktop alerts or send email notifications, as well as run external programs or scripts.
You can monitor open and closed ports, as well as ports by listening to the current service. TcpTrigger can even identify ‘half-open’ connections, which are typically used by port scanners
tcpTrigger will automatically listen to all accessible IPv4 network interfaces, allowing you to easily monitor multiple subnets from a single installation. It also has Rogue DHCP Server Detection, which notifies you if an unknown DHCP server is detected on your network. This capability is only available for local network segments monitored by tcpTrigger.
tcpTrigger has a user interface the application has a relatively simple layout, so even an unskilled user will have no trouble setting it up. Overall, tcpTrigger is a well-designed tool that can help you monitor TCP ports for incoming connections and prevent various forms of network attacks.
Key Features of tcpTrigger
- Free app from open source.
- Can detect network intruders.
- Can monitor all ports and display useful notifications.
- It can run external applications as well as scripts when it finds intruders.
- Protects against infiltration in NetBIOS and LLMNR.
- Can detect Rogue DHCP Servers.
- It’s easy to set up with a simple graphical interface.
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Minimum requirements
- .NET 4.5 or higher.
Supported operating systems
- Windows