“LAN Viewer” is a broad term, but it typically refers to tools or techniques used to scan, monitor, and manage devices within a Local Area Network (LAN). Depending on your use case, this could involve:
- Network Scanning & Discovery
- Tools like Nmap, Angry IP Scanner, and Advanced IP Scanner can detect devices on your LAN, identifying their IP addresses, MAC addresses, open ports, and sometimes even services running on them.
- ARP scanning and passive network sniffing using Wireshark or tcpdump can help discover devices even if they don’t actively respond to network queries.
- Network Monitoring & Traffic Analysis
- Wireshark for deep packet inspection and analysis of network traffic in real time.
- NetFlow, sFlow, or IPFIX-based tools like SolarWinds NetFlow Traffic Analyzer or ntopng provide insights into bandwidth usage, traffic sources, and flow analytics.
- Nagios, Zabbix, PRTG, and LibreNMS can provide active device monitoring, alerting, and SNMP-based statistics.
- Remote Access & Management
- RDP (Remote Desktop Protocol), SSH, or VNC allow you to access and control LAN-connected systems remotely.
- Wake-on-LAN (WOL) tools enable remote booting of devices.
- PsExec (Windows) and Ansible (Linux/macOS) allow script-based remote execution on multiple LAN devices.
- Security & Intrusion Detection
- Zeek (Bro IDS), Suricata, or Snort for deep network security monitoring and anomaly detection.
- ARPwatch and Kismet for detecting rogue devices, ARP spoofing, and Wi-Fi intrusions.
- SIEM solutions like Splunk, Graylog, or ELK Stack can aggregate logs and detect security incidents.
- LAN-Based File Sharing & Collaboration
- Samba (SMB) for Windows-compatible file sharing.
- NFS (Linux/Unix) for high-speed, low-latency network file access.
- Syncthing, Resilio Sync, or Nextcloud for decentralized file synchronization within a LAN.
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