Network Security for Linux

Network security tools and solutions for firewalls, intrusion detection, network monitoring, and perimeter security. Task: Linux

Browse 22 security tools

Custom hypervisor for stealth malware analysis on VMs and bare metal.

Secure embedded networking platform combining RTOS, TCP/IP stack, and virtualization.

Multi-layered Linux server security agent with WAF, malware scan, and IP filtering.

5G network security platform for O-RAN/SD-RAN posture mgmt and threat detection.

VPN client for Linux distributions with CLI and GUI support

Generates geo-based firewall rules to block/allow traffic by country or ASN

VPN service for Linux operating systems

Bash script for blocking domain access on Linux via iptables/ip6tables rules

Endian Firewall Community is a free, open-source Linux-based firewall solution that provides network security, VPN access, email protection, and traffic management features for home networks.

An open-source application firewall that monitors network traffic with custom rules

Fail2ban is a daemon that automatically bans IP addresses showing malicious behavior by monitoring log files and updating firewall rules to prevent brute-force attacks.

Set up IPsec VPN server in just a few minutes with IPsec/L2TP, Cisco IPsec, and IKEv2.

VPN
Free

Makes output from the tcpdump program easier to read and parse.

Libnids is an implementation of an E-component of Network Intrusion Detection System that emulates the IP stack of Linux 2.0.x and offers IP defragmentation, TCP stream assembly, and TCP port scan detection.

DenyHosts is a script to block SSH server attacks by automatically preventing attackers after failed login attempts.

A KDE Plasma 4 widget that displays real-time traffic information for active network connections on Linux computers.

PFQ v6.2 is a functional framework for Linux optimized for efficient packet capture/transmission and in-kernel processing.

An intrusion prevention system for SSH that blocks IP addresses after a set number of consecutive failed login attempts.

OpenSnitch is a GNU/Linux application firewall with interactive outbound connections filtering and system-wide domain blocking capabilities.

Cilium is a networking, observability, and security solution with an eBPF-based dataplane.

A service for better visibility on networking issues in Kubernetes clusters by detecting traffic denied by iptables.

Instructions for setting up SIREN, including downloading Linux dependencies, cloning the repository, setting up virtual environment, installing pip requirements, running SIREN, setting up Snort on Pi, and MySQL setup.