> For the complete documentation index, see [llms.txt](https://how.router.works/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://how.router.works/remote.md).

# Remote Access

- [Traversal Cloud](https://how.router.works/remote/traversal-cloud.md): Traversal Cloud is a secure NAT tunnel tool to provide remote control function on the outdoor router.
- [Ezen Cloud](https://how.router.works/remote/ezencloud.md): One Platform to Manage All Your Routers and Linked Devices - With one cloud dashboard reaching your whole routing infrastructure.
- [VPN Tunnel](https://how.router.works/remote/vpn-tunnel.md)
- [ZeroTier](https://how.router.works/remote/vpn-tunnel/zerotier.md): ZeroTier is a software-defined networking (SDN) solution that creates secure virtual networks using encrypted P2P tunnels, without requiring public IP addresses.
- [Tailscale](https://how.router.works/remote/vpn-tunnel/tailscale.md): Tailscale is a VPN solution that provides seamless connectivity between devices across different networks without the need for public IP addresses or complicated firewall rules.
- [Wireguard](https://how.router.works/remote/vpn-tunnel/wireguard.md): WireGuard is a modern, high-performance VPN protocol that establishes secure point-to-point connections using advanced cryptography.
- [Openvpn](https://how.router.works/remote/vpn-tunnel/openvpn.md): OpenVPN  uses SSL/TLS to establish secure, encrypted tunnels. It supports both site-to-site and remote access setups, offering strong security through certificate-based authentication.
- [Dynamic DNS](https://how.router.works/remote/dynamic-dns.md): Dynamic DNS provides a convenient way to access Mobile SIM card routers remotely over the Internet, even when they have a cellular carrier-assigned IP address that changes periodically.