## TL;DR

If you need all traffic to enter through one country on Oxylabs, do not just rely on username geo params: use a country entry node like us-pr.oxylabs.io (port 10000; EU is eu-pr.oxylabs.io:10000) over HTTPS, or port 10001 for a sticky country entry node.

## Steps

1. If you need all traffic to enter through one country on Oxylabs, do not just rely on username geo params: use a country entry node like us-pr.oxylabs.io (port 10000; EU is eu-pr.oxylabs.io:10000) over HTTPS, or port 10001 for a sticky country entry node. Important protocol catch: SOCKS5 has no country entry nodes, so on SOCKS5 go back to the username form customer-USERNAME-cc-DE. And if you are wiring this into Proxifier, know that Oxylabs Mobile Proxies are not supported there, so pick residential instead.

## When to use

You are seeing this: Important protocol catch: SOCKS5 has no country entry nodes, so on SOCKS5 go back to the username form customer-USERNAME-cc-DE. Use this skill when you run into "Oxylabs country entry nodes and the SOCKS5 limitation".

## When not to use

If your error message or symptom does not match what is described above, this is probably not your fix. Search for your exact error text instead of forcing this one to fit.

## Versions

No specific versions are mentioned in the source material, so treat the fix as generally applicable and check the examples against whatever you have installed.

## Why this happens

The original report does not dig into a root cause. It documents the symptom and the fix that resolved it.

## Edge cases

- Also noted: Proxifier does not support Oxylabs Mobile Proxies.