Hotel, Airport, Ferry Terminal: Travelling Indonesia on Other People's Wi-Fi

Travelling in Indonesia means joining a lot of networks. Soekarno-Hatta while you wait, a guesthouse in Yogyakarta, the ferry terminal at Gilimanuk, a homestay on Flores where the router is behind the reception desk. Each one is operated by someone you will never meet, and on each one you check in for a flight, message home and probably move money.

Content filtering is a separate matter and a documented one: a category-based programme applied at the provider level, so the same address can behave differently on different networks. This piece is about the network itself.

What Each Network Can See

A shared Wi-Fi puts your phone on a segment with every other guest, and the operator sits between you and everything. HTTPS covers the contents — your messages, your booking details, your banking session are encrypted between your device and the service.

What is still exposed is the shape of the session. Your phone looks up the name of every service it contacts, and those names cross the network in the clear, together with data volumes and timing. Across a two-week trip that produces a very specific record: which bank app you open and how often, which airline you rebooked with, which pharmacy or clinic you looked up in Denpasar, what time you are typically asleep. It is unglamorous data and it is exactly the kind that is worth money.

Captive portals — the "accept and connect" page in hotels — add their own wrinkle: you have handed over an email address and a device identifier before the session even starts.

What a VPN Does Here

It wraps the session in one encrypted tunnel to a server you pick, so the hotel router and the terminal's access point see one encrypted connection and no detail about what is inside. The names, the volumes and the timings stop being readable on that local network.

And what it does not do, because travel is when people over-trust these things:

• It protects traffic in transit only. A compromised phone, a phishing page, or a leaky app are unaffected.
• It does not make you anonymous. It moves the trust to the VPN operator, so their logging policy is the claim to check.
• It does not change what is permitted anywhere you travel. It is a privacy tool, not a legal one.

Doft VPN

Doft VPN gives you every server location free, with no paywalled regions. It keeps no logs of your activity, uses modern cryptography, and connects in one tap on Android and iOS. Premium adds higher speeds and raises the data allowance; the privacy features are free, because a security tool that only protects people who pay is not much of a security tool.

Set it to connect before you touch the hotel Wi-Fi, and the string of networks behind you stops accumulating a record of your trip.