Port Authority

1003KB v2.4.5-free Aktualisierungsdatum:2025-12-15 Entwickler：Aaron Wood

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Port Authority Anwendungsbilder

Port Authority AI Redakteursbewertung

Port Authority is a systems and security tool for Android, offering network analysis and port scanning. It helps users identify open ports, services, and potential vulnerabilities on their network or target systems. A valuable asset for network admins and security enthusiasts.

Umfassende Analyse

Port Authority is a useful Android tool for network analysis and security auditing. It allows users to scan for open ports on a network, identify running services, and gather information about network devices. The app provides a clear interface for initiating scans and viewing results. While it is handy for quick assessments, it might not offer the depth of features found in desktop-based security tools. However, it provides a valuable on-the-go solution for network administrators and security professionals.

Hauptvorteile

Provides detailed network analysis
Offers robust port scanning capabilities
User-friendly interface for security assessments

Verbesserungsbereiche

May require advanced technical knowledge
Limited functionality compared to desktop tools

Die Beschreibung von Port Authority

Site Editorial Commentary：Fast, accurate TCP scanner with host discovery, WoL, and DNS lookups.

Port Authority is a fast and efficient systems and security tool designed for comprehensive network analysis. It serves as a rapid port scanner, enabling users to quickly identify open ports and discover hosts on a network. The application provides valuable network information about your device and other hosts, making it an essential tool for network administrators and security enthusiasts.

Featuring one of the fastest host discovery mechanisms available, Port Authority typically completes host discovery in under 5 seconds. Its scanning speed is optimized for various network conditions: approximately 10 seconds to scan 1000 ports on devices that drop packets, and less than 30 seconds to scan all 65,535 ports on devices that reject packets.

Key Features:

* **Heavily Threaded Scanning:** eliminates sequential result processing for faster, concurrent scanning.
* **LAN Host Discovery:** Quickly identifies devices connected to your local network.
* **Public IP Discovery:** Determines your device's external IP address.
* **MAC Address Vendor Detection:** Identifies the manufacturer of network devices based on their MAC address.
* **LAN/WAN Host TCP Port Scanning:** Scans TCP ports on both local and wide area networks.
* **Custom Port Range Scans:** Allows you to specify custom port ranges for targeted scanning.
* **Open Discovered HTTP(S) Services:** Directly opens identified HTTP(S) services in your browser.
* **Lightweight Service Fingerprinting:** Detects the type and version of SSH/HTTP(S) servers.
* **DNS Record Lookups:** Supports lookups for almost every DNS record type.
* **Wake-on-LAN:** Remotely wakes up devices on your local network.

How does Port Authority achieve such high scanning speeds?

The application leverages heavy threading to maximize performance. By utilizing more threads than the number of cores on a device, Port Authority efficiently handles I/O-bound operations. While UI updates during scans are resource-intensive, continuous optimization efforts have significantly improved performance.

Compatibility with Older Devices:

Port Authority is designed to work well on older and lower-end devices. You can adjust the number of threads used for port scans in the settings to optimize performance for your specific device.

Troubleshooting Tips:

* **Crashes During Large Port Range Scans:** Reduce the port scan thread count in the settings to prevent out-of-memory exceptions.
* **False email Sending Warnings:** These warnings are often triggered by security software detecting scans on port 25 (SMTP). Port Authority does not send email.
* **Missing Hosts/Devices on LAN:** Increase the host scan timeout setting to allow more time for devices to respond.
* **Undetected Open Ports:** Adjust the connection timeout for LAN or WAN scans. Be aware that mobile carriers may apply traffic shaping or terminate connections during WAN scans. Poor network conditions may require higher timeout values.

If you appreciate Port Authority, consider supporting the developer by purchasing the donate version: [https://play.google.com/store/apps/details?id=com.aaronjwood.portauthority.donate](https://play.google.com/store/apps/details?id=com.aaronjwood.portauthority.donate)

This software is 100% free and open source: [https://github.com/aaronjwood/PortAuthority](https://github.com/aaronjwood/PortAuthority)