Network
๐ธ PuTTY – is an SSH and telnet client, developed originally by Simon Tatham.
๐ธ Mosh – is a SSH wrapper designed to keep a SSH session alive over a volatile connection.
๐ธ Eternal Terminal – enables mouse-scrolling and tmux commands inside the SSH session.
๐ธ nmap – is a free and open source (license) utility for network discovery and security auditing.
๐ธ zmap – is a fast single packet network scanner designed for Internet-wide network surveys.
๐ธ Rust Scan – to find all open ports faster than Nmap.
๐ธ masscan – is the fastest Internet port scanner, spews SYN packets asynchronously.
๐ธ pbscan – is a faster and more efficient stateless SYN scanner and banner grabber.
๐ธ hping – is a command-line oriented TCP/IP packet assembler/analyzer.
๐ธ mtr – is a tool that combines the functionality of the ‘traceroute’ and ‘ping’ programs in a single tool.
๐ธ mylg – utility which combines the functions of the different network probes in one diagnostic tool.
๐ธ netcat – utility which reads and writes data across network connections, using the TCP/IP protocol.
๐ธ tcpdump – is a powerful command-line packet analyzer.
๐ธ tshark – is a tool that allows us to dump and analyze network traffic (wireshark cli).
๐ธ Termshark – is a simple terminal user-interface for tshark.
๐ธ ngrep – is like GNU grep applied to the network layer.
๐ธ netsniff-ng – is a Swiss army knife for your daily Linux network plumbing if you will.
๐ธ sockdump – dump unix domain socket traffic.
๐ธ stenographer – is a packet capture solution which aims to quickly spool all packets to disk.
๐ธ tcpterm – visualize packets in TUI.
๐ธ bmon – is a monitoring and debugging tool to capture networking related statistics and prepare them visually.
๐ธ iptraf-ng – is a console-based network monitoring program for Linux that displays information about IP traffic.
๐ธ vnstat – is a network traffic monitor for Linux and BSD.
๐ธ iPerf3 – is a tool for active measurements of the maximum achievable bandwidth on IP networks.
๐ธ ethr – is a Network Performance Measurement Tool for TCP, UDP & HTTP.
๐ธ Etherate – is a Linux CLI based Ethernet and MPLS traffic testing tool.
๐ธ echoip – is a IP address lookup service.
๐ธ Nemesis – packet manipulation CLI tool; craft and inject packets of several protocols.
๐ธ packetfu – a mid-level packet manipulation library for Ruby.
๐ธ Scapy – packet manipulation library; forge, send, decode, capture packets of a wide number of protocols.
๐ธ impacket – is a collection of Python classes for working with network protocols.
๐ธ ssh-audit – is a tool for SSH server auditing.
๐ธ aria2 – is a lightweight multi-protocol & multi-source command-line download utility.
๐ธ iptables-tracer – observe the path of packets through the iptables chains.
๐ธ inception – a highly configurable tool to check for whatever you like against any number of hosts.
Network (DNS)
๐ธ dnsdiag – is a DNS diagnostics and performance measurement tools.
๐ธ fierce – is a DNS reconnaissance tool for locating non-contiguous IP space.
๐ธ subfinder – is a subdomain discovery tool that discovers valid subdomains for websites.
๐ธ sublist3r – is a fast subdomains enumeration tool for penetration testers.
๐ธ amass – is tool that obtains subdomain names by scraping data sources, crawling web archives, and more.
๐ธ namebench – provides personalized DNS server recommendations based on your browsing history.
๐ธ massdns – is a high-performance DNS stub resolver for bulk lookups and reconnaissance.
๐ธ knock – is a tool to enumerate subdomains on a target domain through a wordlist.
๐ธ dnsperf – DNS performance testing tools.
๐ธ dnscrypt-proxy 2 – a flexible DNS proxy, with support for encrypted DNS protocols.
๐ธ dnsdbq – API client providing access to passive DNS database systems.
๐ธ grimd – fast dns proxy, built to black-hole internet advertisements and malware servers.
Network (HTTP)
๐ธ curl – is a command line tool and library for transferring data with URLs.
๐ธ kurly – is an alternative to the widely popular curl program, written in Golang.
๐ธ HTTPie – is an user-friendly HTTP client.
๐ธ wuzz – is an interactive cli tool for HTTP inspection.
๐ธ h2spec – is a conformance testing tool for HTTP/2 implementation.
๐ธ h2t – is a simple tool to help sysadmins to hardening their websites.
๐ธ htrace.sh – is a simple Swiss Army knife for http/https troubleshooting and profiling.
๐ธ httpstat – is a tool that visualizes curl statistics in a way of beauty and clarity.
๐ธ httplab – is an interactive web server.
๐ธ Lynx – is a text browser for the World Wide Web.
๐ธ Browsh – is a fully interactive, real-time, and modern text-based browser.
๐ธ HeadlessBrowsers – a list of (almost) all headless web browsers in existence.
๐ธ ab – is a single-threaded command line tool for measuring the performance of HTTP web servers.
๐ธ siege – is an http load testing and benchmarking utility.
๐ธ wrk – is a modern HTTP benchmarking tool capable of generating significant load.
๐ธ wrk2 – is a constant throughput, correct latency recording variant of wrk.
๐ธ vegeta – is a constant throughput, correct latency recording variant of wrk.
๐ธ bombardier – is a fast cross-platform HTTP benchmarking tool written in Go.
๐ธ gobench – http/https load testing and benchmarking tool.
๐ธ hey – HTTP load generator, ApacheBench (ab) replacement, formerly known as rakyll/boom.
๐ธ boom – is a script you can use to quickly smoke-test your web app deployment.
๐ธ SlowHTTPTest – is a tool that simulates some Application Layer Denial of Service attacks by prolonging HTTP.
๐ธ gobuster – is a free and open source directory/file & DNS busting tool written in Go.
๐ธ ssllabs-scan – command-line reference-implementation client for SSL Labs APIs.
๐ธ http-observatory – Mozilla HTTP Observatory cli version.
SSL
๐ธ openssl – is a robust, commercial-grade, and full-featured toolkit for the TLS and SSL protocols.
๐ธ gnutls-cli – client program to set up a TLS connection to some other computer.
๐ธ sslyze – fast and powerful SSL/TLS server scanning library.
๐ธ sslscan – tests SSL/TLS enabled services to discover supported cipher suites.
๐ธ testssl.sh – testing TLS/SSL encryption anywhere on any port.
๐ธ cipherscan – a very simple way to find out which SSL ciphersuites are supported by a target.
๐ธ spiped – is a utility for creating symmetrically encrypted and authenticated pipes between socket addresses.
๐ธ Certbot – is EFF’s tool to obtain certs from Let’s Encrypt and (optionally) auto-enable HTTPS on your server.
๐ธ mkcert – simple zero-config tool to make locally trusted development certificates with any names you’d like.
๐ธ certstrap – tools to bootstrap CAs, certificate requests, and signed certificates.
๐ธ Sublert – is a security and reconnaissance tool to automatically monitor new subdomains.
๐ธ mkchain – open source tool to help you build a valid SSL certificate chain.
Security
๐ธ SELinux – provides a flexible Mandatory Access Control (MAC) system built into the Linux kernel.
๐ธ AppArmor – proactively protects the operating system and applications from external or internal threats.
๐ธ grapheneX – Automated System Hardening Framework.
๐ธ DevSec Hardening Framework – Security + DevOps: Automatic Server Hardening.
TOR
๐ธ Nipe – script to make Tor Network your default gateway.
๐ธ multitor – a tool that lets you create multiple TOR instances with a load-balancing.
Network
๐ธ Wireshark – is the worldโs foremost and widely-used network protocol analyzer.
๐ธ Ettercap – is a comprehensive network monitor tool.
๐ธ EtherApe – is a graphical network monitoring solution.
๐ธ Packet Sender – is a networking utility for packet generation and built-in UDP/TCP/SSL client and servers.
๐ธ Ostinato – is a packet crafter and traffic generator.
๐ธ JMeterโข – open source software to load test functional behavior and measure performance.
๐ธ locust – scalable user load testing tool written in Python.
Browsers
๐ธ SSL/TLS Capabilities of Your Browser – test your browser’s SSL implementation.
๐ธ Can I use – provides up-to-date browser support tables for support of front-end web technologies.
๐ธ Panopticlick 3.0 – is your browser safe against tracking?
๐ธ Privacy Analyzer – see what data is exposed from your browser.
๐ธ Web Browser Security – it’s all about Web Browser fingerprinting.
๐ธ How’s My SSL? – help a web server developer learn what real world TLS clients were capable of.
๐ธ sslClientInfo – client test (incl TLSv1.3 information).
SSL/Security
๐ธ SSLLabs Server Test – performs a deep analysis of the configuration of any SSL web server.
๐ธ SSLLabs Server Test (DEV) – performs a deep analysis of the configuration of any SSL web server.
๐ธ ImmuniWebยฎ SSLScan – test SSL/TLS (PCI DSS, HIPAA and NIST).
๐ธ SSL Check – scan your website for non-secure content.
๐ธ SSL Scanner – analyze website security.
๐ธ CryptCheck – test your TLS server configuration (e.g. ciphers).
๐ธ urlscan.io – service to scan and analyse websites.
๐ธ Report URI – monitoring security policies like CSP and HPKP.
๐ธ CSP Evaluator – allows developers and security experts to check if a Content Security Policy.
๐ธ Useless CSP – public list about CSP in some big players (might make them care a bit more).
๐ธ Why No HTTPS? – top 100 websites by Alexa rank not automatically redirecting insecure requests.
๐ธ TLS Cipher Suite Search– cipher suite search engine.
๐ธ cipherli.st – strong ciphers for Apache, Nginx, Lighttpd, and more.*
๐ธ dhtool – public Diffie-Hellman parameter service/tool.
๐ธ badssl.com – memorable site for testing clients against bad SSL configs.
๐ธ tlsfun.de – registered for various tests regarding the TLS/SSL protocol.
๐ธ CAA Record Helper – generate a CAA policy.
๐ธ Common CA Database – repository of information about CAs, and their root and intermediate certificates.
๐ธ CERTSTREAM – real-time certificate transparency log update stream.
๐ธ crt.sh – discovers certificates by continually monitoring all of the publicly known CT.
๐ธ Hardenize – deploy the security standards.
๐ธ Cipher suite compatibility – test TLS cipher suite compatibility.
๐ธ urlvoid – this service helps you detect potentially malicious websites.
๐ธ security.txt – a proposed standard (generator) which allows websites to define security policies.
๐ธ ssl-config-generator – help you follow the Mozilla Server Side TLS configuration guidelines.
HTTP Headers & Web Linters
๐ธ Security Headers – analyse the HTTP response headers (with rating system to the results).
๐ธ Observatory by Mozilla – set of tools to analyze your website.
๐ธ webhint – is a linting tool that will help you with your site’s accessibility, speed, security, and more.
DNS
๐ธ ViewDNS – one source for free DNS related tools and information.
๐ธ DNSLookup – is an advanced DNS lookup tool.
๐ธ DNSlytics – online DNS investigation tool.
๐ธ DNS Spy – monitor, validate and verify your DNS configurations.
๐ธ Zonemaster – helps you to control how your DNS works.
๐ธ Leaf DNS – comprehensive DNS tester.
๐ธ Find subdomains online – find subdomains for security assessment penetration test.
๐ธ DNSdumpster – dns recon & research, find & lookup dns records.
๐ธ DNS Table online – search for DNS records by domain, IP, CIDR, ISP.
๐ธ intoDNS – DNS and mail server health checker.
๐ธ DNS Bajaj – check the delegation of your domain.
๐ธ BuddyDNS Delegation LAB – check, trace and visualize delegation of your domain.
๐ธ dnssec-debugger – DS or DNSKEY records validator.
๐ธ PTRarchive.com – this site is responsible for the safekeeping of historical reverse DNS records.
๐ธ xip.io – wildcard DNS for everyone.
๐ธ nip.io – dead simple wildcard DNS for any IP Address.
๐ธ dnslookup (ceipam) – one of the best DNS propagation checker (and not only).
๐ธ What’s My DNS – DNS propagation checking tool.
๐ธ DNSGrep – quickly searching large DNS datasets.
Net-tools
๐ธ Netcraft – detailed report about the site, helping you to make informed choices about their integrity.*
๐ธ RIPE NCC Atlas – a global, open, distributed Internet measurement platform.
๐ธ Robtex – uses various sources to gather public information about IP numbers, domain names, host names, etc.
๐ธ Security Trails – APIs for Security Companies, Researchers and Teams.
๐ธ Online Curl – curl test, analyze HTTP Response Headers.
๐ธ Online Tools for Developers – HTTP API tools, testers, encoders, converters, formatters, and other tools.
๐ธ Ping.eu – online Ping, Traceroute, DNS lookup, WHOIS and others.
๐ธ Network-Tools – network tools for webmasters, IT technicians & geeks.
๐ธ BGPview – search for any ASN, IP, Prefix or Resource name.
๐ธ Is BGP safe yet? – check BGP (RPKI) security of ISPs and other major Internet players.
๐ธ Riseup – provides online communication tools for people and groups working on liberatory social change.
๐ธ VirusTotal – analyze suspicious files and URLs to detect types of malware.
Privacy
๐ธ privacytools.io – provides knowledge and tools to protect your privacy against global mass surveillance.
๐ธ DNS Privacy Test Servers – DNS privacy recursive servers list (with a ‘no logging’ policy).
Encoders/Decoders and Regex testing
๐ธ URL Encode/Decode – tool from above to either encode or decode a string of text.
๐ธ Uncoder – the online translator for search queries on log data.
๐ธ Regex101 – online regex tester and debugger: PHP, PCRE, Python, Golang and JavaScript.
๐ธ RegExr – online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
๐ธ RegEx Testing – online regex testing tool.
๐ธ RegEx Pal – online regex testing tool + other tools.
๐ธ The Cyber Swiss Army Knife – a web app for encryption, encoding, compression and data analysis
.
Passwords
๐ธ have i been pwned? – check if you have an account that has been compromised in a data breach.
๐ธ dehashed – is a hacked database search engine.
๐ธ Leaked Source – is a collaboration of data found online in the form of a lookup.
CVE/Exploits databases
๐ธ CVE Mitre – list of publicly known cybersecurity vulnerabilities.
๐ธ CVE Details – CVE security vulnerability advanced database.
๐ธ Exploit DB – CVE compliant archive of public exploits and corresponding vulnerable software.
๐ธ 0day.today – exploits market provides you the possibility to buy/sell zero-day exploits.
๐ธ sploitus – the exploit and tools database.
๐ธ cxsecurity – free vulnerability database.
๐ธ Vulncode-DB – is a database for vulnerabilities and their corresponding source code if available.
๐ธ cveapi – free API for CVE data.
Crypto
๐ธ Keybase – it’s open source and powered by public-key cryptography.
PGP Keyservers
๐ธ SKS OpenPGP Key server – services for the SKS keyservers used by OpenPGP.
HTTP(s) Services
๐ธ Varnish Cache – HTTP accelerator designed for content-heavy dynamic web sites.
๐ธ Nginx – open source web and reverse proxy server that is similar to Apache, but very light weight.
๐ธ OpenResty – is a dynamic web platform based on NGINX and LuaJIT.
๐ธ Tengine – a distribution of Nginx with some advanced features.
๐ธ Caddy Server – is an open source, HTTP/2-enabled web server with HTTPS by default.
๐ธ HAProxy – the reliable, high performance TCP/HTTP load balancer.
DNS Services
๐ธ Unbound – validating, recursive, and caching DNS resolver (with TLS).
๐ธ Knot Resolver – caching full resolver implementation, including both a resolver library and a daemon.
๐ธ PowerDNS – is an open source authoritative DNS server, written in C++ and licensed under the GPL.
Other Services
๐ธ 3proxy – tiny free proxy server.
Security/hardening
๐ธ Emerald Onion – is a 501(c)(3) nonprofit organization and transit internet service provider (ISP).
๐ธ pi-hole – the Pi-holeยฎ is a DNS sinkhole that protects your devices from unwanted content.
๐ธ maltrail – malicious traffic detection system.
๐ธ security_monkey – monitors AWS, GCP, OpenStack, and GitHub orgs for assets and their changes over time.
๐ธ firecracker – secure and fast microVMs for serverless computing.
๐ธ streisand – sets up a new server running your choice of WireGuard, OpenSSH, OpenVPN, and more.
Tools
๐ธ CapAnalysis – web visual tool to analyze large amounts of captured network traffic (PCAP analyzer).
๐ธ netbox – IP address management (IPAM) and data center infrastructure management (DCIM) tool.
โช๏ธ Labs
๐ธ NRE Labs – learn automation by doing it. Right now, right here, in your browser.
โช๏ธ Other
๐ธ LBNL’s Network Research Group – home page of the Network Research Group (NRG).
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