# Remote returned status code 400

**URL:** https://forum.torproject.org/t/remote-returned-status-code-400/15026
**Category:** Relay Operator
**Tags:** snowflake
**Created:** [October 6, 2024, 12:36pm UTC](https://forum.torproject.org/t/remote-returned-status-code-400/15026 "2024-10-06T12:36:08Z")
**Posts on this page:** 1
**Showing post:** 6

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### Author: ![tobrop](https://forum.torproject.org/user_avatar/forum.torproject.org/tobrop/32/1514_2.png) [@tobrop](https://forum.torproject.org/u/tobrop)
#### Post date: [October 6, 2024, 6:15pm UTC](https://forum.torproject.org/t/remote-returned-status-code-400/15026/6 "2024-10-06T18:15:13Z")

</div>

I have to use -ephemeral-ports-range as I have to open and forward ports in my router.

With

> -ephemeral-ports-range 40731:4073 **3** -capacity 3

(3 ports for 3 clients) there is the above mentioned 400 error.

With

> -ephemeral-ports-range 40731:4073 **6** -capacity 3

(6 ports for 3 clients) all is fine.

Is this documented anywhere?

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_[View the full topic](https://forum.torproject.org/t/remote-returned-status-code-400/15026)._