--- title: "Network, DNS and domains: 44 guides | StreetHosting" description: "DNS, custom domains, IPv4 and IPv6, reverse proxies, VPNs and bandwidth usage. Browse the 44 StreetHosting guides on this subject." url: "https://streethosting.com.br/en/guides/topics/networking" type: "page" language: "en-US" --- # Network, DNS and domains DNS, custom domains, IPv4 and IPv6, reverse proxies, VPNs and bandwidth usage. 44 guides across 3 categories Search guides / All44 Minecraft3 VPS20 Infrastructure21 Filters and sorting 44 guides [Infrastructure Intermediate Anti-DDoS for game servers in Brazil: how edge protection works A DDoS attack on a game server can combine high volume, streams of tiny packets and fake connections to wear the network down. Effective mitigation starts before traffic reaches the server, with edge filtering, traffic analysis and an operation that is ready for real incidents. For anyone hosting communities in Brazil, the right choice cuts downtime during peak hours. 5 min Read guide](https://streethosting.com.br/en/guides/infrastructure/anti-ddos-game-server-brazil) [Infrastructure Intermediate Layer 3 vs layer 4 vs layer 7 DDoS: what's the difference? A layer 3 DDoS fills the pipe, a layer 4 DDoS fills up connection tables, and a layer 7 DDoS makes the application work until it falls over. See what each one exhausts and at which point in the infrastructure each defense works. 9 min Read guide](https://streethosting.com.br/en/guides/infrastructure/layer-3-vs-layer-4-vs-layer-7-ddos) [Infrastructure Intermediate How to detect a DDoS attack on your server: Linux diagnosis General lag, players dropping and a sluggish SSH session can be a DDoS or just an overloaded server. Here are the symptoms, the commands that confirm the attack and what to send to support without wasting time. 9 min Read guide](https://streethosting.com.br/en/guides/infrastructure/detect-ddos-attack-on-server) [Infrastructure Intermediate Migrate a game server without losing players In a well-run migration the files almost never get lost, but the players do. This guide lays out the timeline, DNS, rehearsal, maintenance window, Discord announcements and rollback plan so the community gets through the move without noticing. 9 min Read guide](https://streethosting.com.br/en/guides/infrastructure/migrate-game-server-without-losing-players) [Infrastructure Intermediate What is CGNAT and why it blocks your server With CGNAT, your ISP shares a single public IP among several customers and no connection from the outside ever reaches your home. Here is how to confirm whether that is your case and which workarounds actually work for hosting a server. 11 min Read guide](https://streethosting.com.br/en/guides/infrastructure/what-is-cgnat) [Infrastructure Intermediate What is MTU and how a wrong value breaks your connection MTU sets the largest packet that crosses a link without being split. When it is wrong somewhere along the path, the connection opens and ping answers, yet websites, VPNs and downloads still hang. 9 min Read guide](https://streethosting.com.br/en/guides/infrastructure/what-is-mtu) [Infrastructure Intermediate What is reverse DNS (PTR) and why your server needs it Regular DNS turns a name into an IP; reverse DNS goes the other way, through the PTR record. See who controls that record, why it weighs so heavily on email delivery, how to look it up and how to request the PTR for your server. 11 min Read guide](https://streethosting.com.br/en/guides/infrastructure/what-is-reverse-dns) [Infrastructure Intermediate What is a WAF and when to use one on sites and APIs A WAF inspects the content of every request and blocks injections, XSS and exploitation of known vulnerabilities. See the deployment models, how to install ModSecurity with the OWASP CRS on Nginx, and how to tune it without breaking your site. 11 min Read guide](https://streethosting.com.br/en/guides/infrastructure/what-is-a-waf) [Infrastructure Beginner Ping, jitter and packet loss: the difference in practice Ping measures how long the network takes, jitter measures how much that time varies and packet loss measures what never arrives. Each one ruins the experience in a different way, and knowing which one is bad is what decides the fix. 9 min Read guide](https://streethosting.com.br/en/guides/infrastructure/ping-vs-jitter-vs-packet-loss) [Infrastructure Intermediate Protect a web application from attacks: defense in layers No single tool protects a web application on its own. This guide organizes the defenses in layers, from the network port to the log, and shows what to configure first on a VPS running Nginx. 10 min Read guide](https://streethosting.com.br/en/guides/infrastructure/protect-web-application-from-attacks) [Infrastructure Intermediate TCP vs UDP: which protocol to use on each server TCP guarantees everything arrives, and in the right order. UDP delivers what it can without waiting for anyone. Understanding that trade explains why games and voice use UDP, why APIs use TCP and why opening lots of ports in the firewall does not work. 9 min Read guide](https://streethosting.com.br/en/guides/infrastructure/tcp-vs-udp) [Infrastructure Intermediate How to use traceroute to find routing problems Traceroute lists every router between you and the server and how long each one takes to answer. Read the right way, it shows whether the delay starts at your home, at your ISP, between networks or at the destination. 8 min Read guide](https://streethosting.com.br/en/guides/infrastructure/how-to-use-traceroute) [Infrastructure Intermediate How to use MTR to diagnose network problems MTR combines traceroute and ping and shows, hop by hop, where latency climbs and where packets get lost. The trick is knowing which loss is real and which is just a router rationing its replies. 8 min Read guide](https://streethosting.com.br/en/guides/infrastructure/how-to-use-mtr) [Minecraft Intermediate BlueMap for Minecraft: a 3D server map in your browser BlueMap turns your server world into a 3D map that anyone can open in a browser. Learn how to install it, open port 8100, keep the first render under control and publish the map with HTTPS. 9 min Read guide](https://streethosting.com.br/en/guides/minecraft/bluemap-minecraft-3d-map) [Minecraft Intermediate Simple Voice Chat for Minecraft: how to set it up Simple Voice Chat adds proximity voice to Minecraft, but it relies on a UDP port the game itself does not use. See how to install it on the server and on players, set the port, control permissions and diagnose it when voice will not connect. 8 min Read guide](https://streethosting.com.br/en/guides/minecraft/simple-voice-chat-minecraft-server) [VPS Intermediate How to analyze Linux VPS logs with journalctl and grep Almost every server problem leaves a trace in some log. See where each record lives on Ubuntu, how to slice by service, time and severity, and how to keep logs from filling the disk. 9 min Read guide](https://streethosting.com.br/en/guides/vps/analyze-linux-vps-logs) [VPS Intermediate Cloudflare Tunnel on a VPS: publish apps without opening ports With Cloudflare Tunnel, the VPS opens an outbound connection to Cloudflare and visitors come in through it, with no port 80 or 443 open and no IP in DNS. Here is the install, the two ways to create the tunnel, and what it does not solve. 8 min Read guide](https://streethosting.com.br/en/guides/vps/cloudflare-tunnel-vps) [VPS Intermediate How to deploy FastAPI on a VPS with Gunicorn and Nginx A production-ready FastAPI API on an Ubuntu 24.04 VPS: Python in a virtual environment, Gunicorn managing Uvicorn workers through the current package, a systemd service with zero-downtime reload, Nginx with HTTPS, and how to size the workers. 9 min Read guide](https://streethosting.com.br/en/guides/vps/host-fastapi-on-vps) [VPS Intermediate How to host Next.js on a VPS with PM2, Nginx and HTTPS Next.js runs in full on a VPS with Node, including server rendering, ISR and Server Actions. Learn how to build it, keep the process alive with PM2, put Nginx in front and update without breaking the site. 9 min Read guide](https://streethosting.com.br/en/guides/vps/host-nextjs-on-vps) [VPS Intermediate How to host Spring Boot on a VPS with systemd and Nginx A Spring Boot application becomes a production service with a few pieces: the system Java, a dedicated user, a systemd unit and Nginx in front. See each step and how to size the JVM memory so the system does not kill the process. 9 min Read guide](https://streethosting.com.br/en/guides/vps/host-spring-boot-on-vps) [VPS Intermediate Host WordPress on a VPS: Nginx, PHP 8.3 and MariaDB Installing WordPress by hand, with no control panel, gives you full control over performance and security. The path is short: Nginx, PHP FPM and MariaDB on Ubuntu 24.04, a dedicated database, HTTPS and two layers of cache. 9 min Read guide](https://streethosting.com.br/en/guides/vps/host-wordpress-on-vps-nginx) [VPS Intermediate How to install Gitea on a VPS with Docker, HTTPS and SSH Gitea is a lightweight Git server with a web UI, issues, pull requests and a package registry. See how to bring it up with Docker Compose, choose the database, keep Git's SSH apart from the VPS SSH and publish it with a domain and HTTPS. 9 min Read guide](https://streethosting.com.br/en/guides/vps/install-gitea-on-vps) [VPS Advanced How to install MinIO on a VPS: S3, HTTPS and alternatives MinIO became the go-to name for self-hosted S3 storage, but the community edition was archived and no longer receives fixes. Here is how to install it anyway, with a volume, a domain and HTTPS, and which maintained alternatives to evaluate for new projects. 10 min Read guide](https://streethosting.com.br/en/guides/vps/install-minio-on-vps) [VPS Intermediate How to install Nginx Proxy Manager on a VPS with Docker Nginx Proxy Manager puts a reverse proxy and Let's Encrypt certificates behind a web interface. Learn how to install it with Docker Compose, connect applications running in containers or on the host, and keep the admin panel off the public internet. 9 min Read guide](https://streethosting.com.br/en/guides/vps/install-nginx-proxy-manager-on-vps) Show 20 more of 20 ## Other topics [See all 25 topics](https://streethosting.com.br/en/guides/topics) [Linux administration67](https://streethosting.com.br/en/guides/topics/linux) [Hardware and datacenter62](https://streethosting.com.br/en/guides/topics/hardware) [Costs, plans and billing42](https://streethosting.com.br/en/guides/topics/costs) [Deploying and running apps38](https://streethosting.com.br/en/guides/topics/deploy) [Minecraft plugins38](https://streethosting.com.br/en/guides/topics/plugins) [Community and game modes36](https://streethosting.com.br/en/guides/topics/community) [Security and hardening32](https://streethosting.com.br/en/guides/topics/security) [Getting started30](https://streethosting.com.br/en/guides/topics/getting-started) [Latency and ping28](https://streethosting.com.br/en/guides/topics/latency) [Monitoring and alerts26](https://streethosting.com.br/en/guides/topics/monitoring) [Other games26](https://streethosting.com.br/en/guides/topics/other-games) [Performance and optimization22](https://streethosting.com.br/en/guides/topics/performance) [Automation and webhooks20](https://streethosting.com.br/en/guides/topics/automation) [Migration19](https://streethosting.com.br/en/guides/topics/migration) [← All topics](https://streethosting.com.br/en/guides/topics)