A DNS proxy firewall with domain blocking, caching, DoH support, and YAML-based configuration.
Slim OPNsense MCP Server — DNS, Firewall, Diagnostics, DHCP, System management via OPNsense REST API
The CDK Construct Library for AWS::Route53Resolver
Vultr GPU compute infrastructure MCP server — VMs, bare metal, serverless inference, DNS, firewall, snapshots, billing with token-efficient defaults
An abstract-encoding compliant module for encoding / decoding DNS packets
the http/https agent used by the npm cli
Compare DNS record strings for equality
OpenTelemetry instrumentation for `node:dns` name resolution module
Before your agent calls fetch(), ask isDomainBlocked(hostname) and drop known-bad destinations
Low level multicast-dns implementation in pure javascript
Encode/decode DNS-SD TXT record RDATA fields
Make low-level DNS requests with retry and timeout support.
AWS SDK for JavaScript Network Firewall Client for Node.js, Browser and React Native
A multifaceted routing service handling mail and SMS delivery functions.
Easy CLI tool to share local web services using ngrok without DNS/firewall configuration
Parse and stringify mdns service types
TypeScript definitions for dns-packet
Simple SSL HTTP proxy using a self-signed certificate. Intended for local development only.
Abstraction for exponential and custom retry strategies for failed operations.
Middleware to set X-DNS-Prefetch-Control header.
OCI NodeJS client for Network Firewall Service
Resolve DNS queries with browser fallback
Zen by Aikido is an embedded Application Firewall that autonomously protects Node.js apps against common and critical attacks, provides rate limiting, detects malicious traffic (including bots), and more.
Caches dns resolutions made with async dns.resolve instead of default sync dns.lookup, refreshes in background
DCase is a lightweight dns proxy which can help you get through firewalls.
Localtunnel allows you to easily share a web service on your local development machine without messing with DNS and firewall settings.
A daemon, running in background on a Linux router or firewall, monitoring the state of multiple internet uplinks and changing the routing accordingly. LAN/DMZ internet traffic (outgoing connections) is load balanced between the uplinks using Linux multipath routing. The daemon monitors the state of the uplinks by routinely pinging well known IP addresses (Google public DNS servers, etc.) through each outgoing interface: once an uplink goes down, it is excluded from the multipath routing, when it comes back up, it is included again. An uplink may be assigned to a priority group: lower priority uplinks will only be used if all higher priority ones are down. That's useful to only use pay-per-traffic uplinks if no regular uplink is working. All of the routing changes are notified to the administrator by email. Fault Tolerant Router is well tested and has been used in production for several years, in several sites. See https://github.com/drsound/fault_tolerant_router for full documentation.
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