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Proxy setup guides

Browse setup guides articles on the TrueProxies blog — practical guides, tutorials, and comparisons for developers and teams using proxies.

2 min readOctober 4, 2026

UDP over SOCKS5 is live on residential plans

SOCKS5 on TrueProxies now carries UDP to ports 443 and 53, so QUIC, HTTP/3 and DNS go through the same proxy as your TCP traffic. It is included on every paid Unlimited Bandwidth plan and traffic pack, with the same host, port and login.

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7 min readSeptember 30, 2026

How to test affiliate links by country (redirect check)

Geo-routed affiliate links send visitors to a different storefront per country, and a broken route drops your tag, lands on the wrong store, or serves a cloaked offer. Open the link from a residential proxy exit in each market, record every hop with its status code, the final URL and whether the tracking parameters survived, and keep the result as evidence for the program.

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5 min readSeptember 29, 2026

How to check if a website supports IPv6

A website supports IPv6 when its hostname publishes an AAAA record and its server answers on that address. Look up the record with dig or nslookup, confirm a real connection with curl -6, then test every host the page loads, because one IPv4-only script, font or API can break the page over IPv6.

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10 min readSeptember 29, 2026

Proxy errors explained: 407, 403, 429, 502, timeouts and slow connections

A 407 comes from the proxy: it refused the connection, for example over the password, username or targeting options. A 403 or 429 that arrives after the tunnel opens comes from the website. A 502 or 503 from the proxy means it could not open the connection. On TrueProxies, a 407 usually names its reason in the X-Proxy-Reason header.

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