--- title: "NeedPorts Guides: CGNAT, Vast.ai, Docker, SSH, TCP/UDP Tunnels, and Public Ports" description: "NeedPorts guides for CGNAT port forwarding, Vast.ai hosts, Docker, SSH, APIs, LTE/5G, homelabs, public ports, comparisons, and security." image: "https://needports.com/og-image.svg" canonical: "https://needports.com/guides.html" html: "https://needports.com/guides.html" --- # NeedPorts guides and setup examples NeedPorts guides for CGNAT port forwarding, Vast.ai hosts, Docker, SSH, APIs, LTE/5G, homelabs, public ports, comparisons, and security. ## Vast.ai and GPU hosting [**Vast.ai Port Forwarding Guide: Fix CGNAT, Open Ports, SSH & APIs** Read the guide, commands, limitations, and next steps. ](/vast-ai-port-forwarding.html)[**Vast.ai Port Unreachable? Fix Timeouts, Blocked Ports, and CGNAT** Read the guide, commands, limitations, and next steps. ](/vast-ai-port-unreachable.html)[**Vast.ai Port Forwarding Not Working? Symptoms, Tests, and Fixes** Read the guide, commands, limitations, and next steps. ](/vast-ai-port-forwarding-not-working.html)[**Vast.ai Host Not Reachable? Fix Public Port, SSH, Firewall, and CGNAT Issues** Read the guide, commands, limitations, and next steps. ](/vast-ai-host-not-reachable.html)[**Vast.ai SSH Not Working? Debug Timeouts, Refused Connections, and Ports** Read the guide, commands, limitations, and next steps. ](/vast-ai-ssh-not-working.html)[**Vast.ai Open Ports: How to Test and Expose Public Ports on GPU Hosts** Read the guide, commands, limitations, and next steps. ](/vast-ai-open-ports.html)[**Vast.ai Behind CGNAT: Public Ports for GPU Hosts Without Router Access** Read the guide, commands, limitations, and next steps. ](/vast-ai-behind-cgnat.html)[**Vast.ai CGNAT Fix - Public Ports for GPU Hosts Behind NAT** Read the guide, commands, limitations, and next steps. ](/vast-ai-cgnat-fix.html)[**Static Public IP for GPU Hosting: Public Ports Without ISP Upgrades** Read the guide, commands, limitations, and next steps. ](/static-public-ip-for-gpu-hosting.html)[**Public IP Alternative for GPU Hosting - Stable Ports Without ISP Upgrades** Read the guide, commands, limitations, and next steps. ](/public-ip-alternative-for-gpu-hosting.html) ## CGNAT and public IP problems [**CGNAT Port Forwarding Guide: Get Public Ports Without a Public IP** Read the guide, commands, limitations, and next steps. ](/cgnat-port-forwarding.html)[**Port Forwarding Without a Public IP: CGNAT, LTE/5G, Homelabs & GPU Hosts** Read the guide, commands, limitations, and next steps. ](/port-forwarding-without-public-ip.html)[**Port Forwarding Without Router Access: Expose Services Behind Locked Networks** Read the guide, commands, limitations, and next steps. ](/port-forwarding-without-router-access.html)[**Port Forwarding Not Working? Check CGNAT, Firewalls, Router Rules & ISP Blocks** Read the guide, commands, limitations, and next steps. ](/port-forwarding-not-working.html)[**Ports Blocked by Your ISP, Host, or Network?** Read the guide, commands, limitations, and next steps. ](/ports-blocked-by-isp-or-network.html)[**How to Get a Static Public IP Without Upgrading Your ISP Plan** Read the guide, commands, limitations, and next steps. ](/static-public-ip-without-isp-upgrade.html) ## Docker, SSH, APIs, and self-hosted apps [**Expose a Docker Container Behind CGNAT: Public Ports for Web UIs and APIs** Read the guide, commands, limitations, and next steps. ](/expose-docker-container-behind-cgnat.html)[**Expose SSH or an API Behind CGNAT With Stable Public Ports** Read the guide, commands, limitations, and next steps. ](/expose-ssh-api-behind-cgnat.html)[**Expose an API Behind CGNAT: Public Endpoint for Local Services** Read the guide, commands, limitations, and next steps. ](/expose-api-behind-cgnat.html)[**Home Assistant Behind CGNAT - Remote Access Without ISP Port Forwarding** Read the guide, commands, limitations, and next steps. ](/home-assistant-behind-cgnat.html)[**Expose Home Assistant Behind CGNAT With a Stable Public Endpoint** Read the guide, commands, limitations, and next steps. ](/expose-home-assistant-behind-cgnat.html)[**Homelab Remote Access Behind CGNAT - Reach Your Home Server from Anywhere** Read the guide, commands, limitations, and next steps. ](/homelab-remote-access-behind-cgnat.html)[**Self Hosting Behind CGNAT - How to Expose Services from Home** Read the guide, commands, limitations, and next steps. ](/self-hosting-behind-cgnat.html)[**Self Hosted Projects That Benefit from Public Ports** Read the guide, commands, limitations, and next steps. ](/self-hosted-projects-public-ports.html) ## LTE/5G, backup internet, and games [**LTE and 5G Port Forwarding Behind CGNAT** Read the guide, commands, limitations, and next steps. ](/lte-5g-port-forwarding.html)[**Backup Internet Port Forwarding for LTE, 5G, and Secondary WAN** Read the guide, commands, limitations, and next steps. ](/backup-internet-port-forwarding.html)[**Failover Internet Remote Access Without Public IP Changes** Read the guide, commands, limitations, and next steps. ](/failover-internet-remote-access.html)[**Game Server Port Forwarding Behind CGNAT** Read the guide, commands, limitations, and next steps. ](/game-server-port-forwarding.html)[**Expose a Game Server Behind CGNAT With Public TCP/UDP Ports** Read the guide, commands, limitations, and next steps. ](/expose-game-server-behind-cgnat.html) ## Comparisons and alternatives [**NeedPorts vs ngrok: Stable TCP/UDP Ports for Hosts, Docker, SSH & APIs** Read the guide, commands, limitations, and next steps. ](/needports-vs-ngrok.html)[**ngrok Alternative for TCP and UDP: Static Public Ports for Hosted Services** Read the guide, commands, limitations, and next steps. ](/ngrok-alternative-tcp-udp.html)[**NeedPorts vs Cloudflare Tunnel: Public TCP/UDP Ports vs HTTP Tunnels** Read the guide, commands, limitations, and next steps. ](/needports-vs-cloudflare-tunnel.html)[**Cloudflare Tunnel Alternative for TCP/UDP Ports, SSH, Docker, and APIs** Read the guide, commands, limitations, and next steps. ](/cloudflare-tunnel-alternative-tcp-udp.html)[**NeedPorts vs Tailscale: Public Ports vs Private Mesh Remote Access** Read the guide, commands, limitations, and next steps. ](/needports-vs-tailscale.html)[**Tailscale Alternative for Public Ports: Reach Services Without a Private Mesh** Read the guide, commands, limitations, and next steps. ](/tailscale-alternative-public-ports.html)[**NeedPorts vs VPN Port Forwarding: Static Public Ports Without VPN Complexity** Read the guide, commands, limitations, and next steps. ](/needports-vs-vpn-port-forwarding.html)[**NeedPorts vs VPS Reverse Proxy: Public Ports Without Running Your Own Relay** Read the guide, commands, limitations, and next steps. ](/needports-vs-vps-reverse-proxy.html)[**NeedPorts vs ZeroTier: Public Ports vs Private Overlay Networking** Read the guide, commands, limitations, and next steps. ](/needports-vs-zerotier.html)[**NeedPorts vs playit.gg: Public Ports for Games, Docker, SSH, and APIs** Read the guide, commands, limitations, and next steps. ](/needports-vs-playit.html)[**NeedPorts vs FRP: Managed Public Ports vs Running Your Own Tunnel Server** Read the guide, commands, limitations, and next steps. ](/needports-vs-frp.html)[**NeedPorts vs rathole: Managed Public Endpoints vs Self-Hosted Tunnels** Read the guide, commands, limitations, and next steps. ](/needports-vs-rathole.html) ## Trust, operations, and client help [**How NeedPorts Works - Public Ports Behind CGNAT** Read the guide, commands, limitations, and next steps. ](/how-it-works.html)[**NeedPorts Security Model: Public Ports, Tunnels, Encryption, and Safe Exposure** Read the guide, commands, limitations, and next steps. ](/security.html)[**NeedPorts Privacy and Logging Policy for Public Port Forwarding** Read the guide, commands, limitations, and next steps. ](/privacy-logging.html)[**NeedPorts Abuse Policy for Public Ports and Tunnel Endpoints** Read the guide, commands, limitations, and next steps. ](/abuse-policy.html)[**NeedPorts Refund and Cancel Policy** Read the guide, commands, limitations, and next steps. ](/refund-cancel-policy.html)[**NeedPorts Status and Reliability: Tunnel Servers, Heartbeats, and Failover** Read the guide, commands, limitations, and next steps. ](/status.html)[**Who Runs NeedPorts? Built by Vast Hosts for Vast Hosts** Read the guide, commands, limitations, and next steps. ](/who-runs-needports.html)[**NeedPorts Client Commands and Uninstall Guide** Read the guide, commands, limitations, and next steps. ](/client-commands.html)[**NeedPorts Terms of Service** Read the guide, commands, limitations, and next steps. ](/terms.html) ```json { "@context": "https://schema.org", "@graph": [ { "@type": "Organization", "@id": "https://needports.com/#organization", "name": "NeedPorts", "url": "https://needports.com/" }, { "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://needports.com/" }, { "@type": "ListItem", "position": 2, "name": "Guides", "item": "https://needports.com/guides.html" }, { "@type": "ListItem", "position": 3, "name": "NeedPorts Guides: CGNAT, Vast.ai, Docker, SSH, TCP/UDP Tunnels, and Public Ports", "item": "https://needports.com/guides.html" } ] }, { "@type": "Article", "headline": "NeedPorts Guides: CGNAT, Vast.ai, Docker, SSH, TCP/UDP Tunnels, and Public Ports", "description": "NeedPorts guides for CGNAT port forwarding, Vast.ai hosts, Docker, SSH, APIs, LTE/5G, homelabs, public ports, comparisons, and security.", "mainEntityOfPage": "https://needports.com/guides.html", "author": { "@id": "https://needports.com/#organization" }, "publisher": { "@id": "https://needports.com/#organization" } } ] } ```