{"rid":"egress/rustunnel","card":{"rid":"egress/rustunnel","eid":"rustunnel","topic":"egress","slug":"rustunnel","provider":"rustunnel","url":"https://www.rustunnel.com/docs/reference/udp-tunnels.md","domain":"rustunnel.com","category":"udp port forward (self-hostable server, managed cloud)","tier":"free","verdict":"paid-only","vorder":3,"grp":"paid","confidence":"documented","binding":"volume-quota","identity_kind":"email","identity_basis":"stated","needs_card":0,"needs_phone":0,"needs_id":0,"needs_institution":0,"country":null,"crypto":null,"interfaces":"cli,rest","egress_metered":0,"per_object_bytes":null,"retention_days":null,"verified_at":"2026-10-23T00:00:00.000Z","verified_basis":"live","checked_on":"2026-10-23","stale_on":"2026-11-22","n_evidence":3,"usd_month":null,"usd_per_tb_month":null,"summary":"Create a free account and generate an auth token; self-hosting is free under AGPL. The managed cloud is pay-as-you-go from USD 3/month.","duplicate_of":null,"n_unknown":2},"record":{"topic":"egress","slug":"rustunnel","provider":"rustunnel","url":"https://www.rustunnel.com/docs/reference/udp-tunnels.md","category":"udp port forward (self-hostable server, managed cloud)","tier":"free","free_tier":{"stated":"Create a free account and generate an auth token; self-hosting is free under AGPL. The managed cloud is pay-as-you-go from USD 3/month.","unit":"none","metered_on":"unstated","source_url":"https://www.rustunnel.com/docs/quickstart.md","read_on":"2026-10-23","notes":""},"per_object_cap":{"stated":"not applicable","bytes":null,"source_url":"https://www.rustunnel.com/docs/reference/udp-tunnels.md","notes":""},"retention":{"stated":"not applicable","days":null,"source_url":"https://www.rustunnel.com/docs/reference/udp-tunnels.md","notes":""},"egress":{"terms":"No free byte allowance is published anywhere read today. The managed service is 'Pay-as-you-go from $3/mo - idle time always free'; ingress: udp","metered":false,"free_allowance":"none published","price_per_tb":null,"source_url":"https://www.rustunnel.com/docs/reference/udp-tunnels.md"},"interface":["cli","rest"],"interface_detail":"mytunnel client, a live dashboard, Prometheus metrics and an audit log","tooling":"mytunnel client from brew or a binary, self-hostable server in Rust","chaining":"self-hosting on a free VM turns this into a free UDP relay; the managed cloud does not","limits":[{"kind":"volume-quota","value":"no free byte allowance published; the managed cloud is metered and billed from USD 3/month","source":"https://www.rustunnel.com/"}],"limits_note":"","binding":"volume-quota","binding_note":"A metered service with no published free allowance binds on bytes by construction: at one TiB a month the client is a paying customer. Self-hosting moves the cost to a VM, which is a compute-lane answer rather than an egress answer.","identity_cost":{"kind":"email","detail":"a free account and a generated auth token: 'Access to the hosted service requires an auth token. Create a free account and generate one yourself.' https://www.rustunnel.com/docs/quickstart.md","country":"None"},"reliability_note":"sessions are reaped after 60 seconds of inactivity, which suits WireGuard keepalive but means an idle peer is torn down","confidence":"documented","confidence_note":"The UDP mechanics and the pay-as-you-go price are read from the vendor's own pages. The openness is the free-account sentence with no allowance behind it. Raise by signing up free, running mytunnel udp against a listener, and reading whether a port is allocated and whether it survives a restart.","evidence":[{"url":"https://www.rustunnel.com/docs/reference/udp-tunnels.md","date":"2026-10-23","proved":"UDP tunnels exist, the public port comes from a dedicated UDP range, sessions are reaped after 60 seconds of inactivity"},{"url":"https://www.rustunnel.com/","date":"2026-10-23","proved":"'Pay-as-you-go from $3/mo - idle time always free. Or self-host free under AGPL', plus 'Start free' and 'free self-hosting under AGPL'"},{"url":"https://www.rustunnel.com/docs/quickstart.md","date":"2026-10-23","proved":"'Create a free account' and 'Access to the hosted service requires an auth token'; no allowance stated"}],"verdict":"paid-only","verified_at":"2026-10-23T00:00:00.000Z","price_per_tb_month":"USD 0","notes":"Read because the brief names it. The UDP implementation is the best documented of any free-or-cheap tunnel found, and it is the wrong side of a paywall for a user. There is no pricing page: /pricing and /pricing.html both 404, so the only price statement is the homepage sentence.","extras":{"wg_path":"unknown","wg_detail":"UDP tunnels are real and documented: 'rustunnel UDP tunnels forward datagrams from a public port on the tunnel server to a local UDP service', with 'Public port - allocated from a dedicated UDP port range on the server' and a 60-second session idle timeout. Whether a free hosted account gets a port, and whether the port is fixed, is not stated. https://www.rustunnel.com/docs/reference/udp-tunnels.md","ingress":"udp","volume_tib_month":null,"volume_stated":"No free byte allowance is published anywhere read today. The managed service is 'Pay-as-you-go from $3/mo - idle time always free'","bytes_transit":"yes","transit_note":"the managed relay carries the datagrams, or the self-hosted server does"}},"claims":[{"path":"$.free_tier.stated","kind":"free-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.limits[0].value","kind":"limit:volume-quota","num":null,"unit":null,"per":null,"currency":null,"usd":null,"fx_date":null,"parse":"unparsed"},{"path":"$.price_per_tb_month","kind":"price-per-tb","num":0,"unit":"TB","per":"month","currency":"USD","usd":0,"fx_date":null,"parse":"ok"}],"unknown":[["$.per_object_cap.stated","not-applicable"],["$.retention.stated","not-applicable"]],"history":[],"drift":[]}