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Alerter

Alerter is Connection Monitoring and Service Management Script

Overview This script is designed to monitor established network connections continuously and manage services on a Linux system. It logs incoming connections, scans their IP addresses using geoiplookup and nmap, and displays the current established connections on the system. Additionally, it provides options to start specific services or start all services at once.

Connection Monitoring

  • Continuously monitor established network connections.
  • Log IP addresses of incoming connections.
  • Perform IP address scanning using geoiplookup and nmap.
  • Display information about established connections, including local address, foreign address, and associated PID/program name.
  • Log all activity in scanned_ips_info.log.

Prerequisites

  • This script must be run with root privileges (sudo).
  • The following packages are required:
    • geoip-bin
    • nmap

Installation

  1. Clone or download the script to your Linux system.
  2. Ensure that the script has executable permissions using chmod +x alerter.sh.
  3. Run the script with ./alerter.sh.

Usage

  • Run the script with root privileges (sudo ./alerter.sh).
  • Follow the on-screen instructions to:
    • Start specific services (SMB, SSH, FTP) or all services.
    • Monitor established connections.

Functionality Service Management

  • Start specific services:
    • SMB (Samba)
    • SSH (Secure Shell)
    • FTP (vsftpd)
  • Start all services at once.

Notes

  • Ensure that geoip-bin and nmap packages are installed on your system before running the script. The script attempts to install geoip-bin automatically if it's not already installed.
  • Running this script requires root privileges.
  • The script must be run on a Linux system.
  • It's recommended to review the script and understand its functionality before execution.