An intrusion detection system is a device or software application that monitors a network or systems for malicious activity or policy violations.
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Category: Security
psad – intrusion detection and log analysis with iptables
psad is software which offers intrusion detection and log analysis with iptables.
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12 Best Free and Open Source Firewall Tools
We recommend free and open source firewall tools.
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Portmaster – application firewall that does the heavy lifting
Portmaster is an application firewall. Restore privacy and take back control over all your computer’s network activity.
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BeEF – The Browser Exploitation Framework
BeEF is pioneering techniques that provide penetration testers with practical client-side attack vectors.
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16 Best Free and Open Source Network Analyzers
A network analyzer (also known as a packet analyzer, packet sniffer, or protocol analyzer) is software that intercepts and logs traffic that passes over a computer network or part of a network.
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awall – Linux firewall configuration tool
awall is a Linux firewall configuration tool, providing various benefits over plain iptables.
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bgpipe – BGP reverse proxy and firewall
The vision for bgpipe is to be a powerful BGP firewall that transparently secures, enhances, and audits existing BGP speakers.
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FastFinder – fast suspicious file finder
FastFinder is a lightweight tool made for threat hunting, live forensics and triage.
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tcpflow – TCP/IP packet demultiplexer
tcpflow is a program that captures data transmitted as part of TCP connections (flows), and stores the data.
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Foomuuri – multizone bidirectional nftables firewall
Foomuuri is a multizone bidirectional nftables firewall.
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jomon – network forensics and sniffer tool
Jomon is a network forensics and passive sniffer tool. It monitors all incoming/outgoing network traffic, without the use of libpcap.
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Raspirus – lightweight signature-based malware scanner
Raspirus is a lightweight signature-based malware scanner.
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OpenSnitch – interactive application firewall
OpenSnitch is a Linux application firewall. It lets you create rules for which apps are granted access to the internet
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jdvrif – hide files within a JPG cover image
Hide files within a JPG cover image using this steganography-like privacy tool.
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GPA – GNU Privacy Assistant
The GNU Privacy Assistant (GPA) is a graphical user interface for the GnuPG (GNU Privacy Guard).
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KGpg – simple interface for GnuPG
KGpg is a simple interface for GnuPG, a powerful encryption utility.
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GpgFrontend – GUI frontend for GnuPG
GpgFrontend is a free, open-source, robust yet user-friendly, compact and cross-platform tool for OpenPGP encryption.
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SafeCloset – keep your secrets in password protected files
SafeCloset keeps your secrets in password protected files. SafeCloset is designed to be convenient and avoid common weaknesses.
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snowdrop – text watermarking and watermark recovery
snowdrop is software for text watermarking and watermark recovery.
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