---
title: "Should I turn on the IP blocklist?"
url: "https://forum.qnap.net.pl/threads/should-i-turn-on-the-ip-blocklist.46355/"
thread_id: 46355
date: "2026-11-11"
category: "FAQ"
section: "Knowledge base"
source: "Forum QNAP Polska"
site: "https://forum.qnap.net.pl"
language: "pl"
ai_policy: "https://forum.qnap.net.pl/ai-policy.md"
license: "https://forum.qnap.net.pl/ai-policy.md"
---

# Should I turn on the IP blocklist?

> Source: <https://forum.qnap.net.pl/threads/should-i-turn-on-the-ip-blocklist.46355/> · FAQ · Forum QNAP Polska · 2026-11-11

**Symptoms**

- You see **Settings → Blocklist** and do not know whether to switch it on.

**Cause**
The blocklist is off by default. When it is on, rtorrent blocks peers whose IPv4 address is on a list of address ranges. IPv6 peers pass, and every peer outside the list connects as before. The package downloads the list from the address in **Blocklist URL (P2P/CIDR, .gz allowed)**. While the switch is on, it downloads the list again once a day. A failed download leaves the previous list in place.

**Resolution**

1. To use it, open **Settings → Blocklist** and switch on **Enable IP blocklist**. The address below it points to a default list; you can type the address of another list.
![](https://forum.qnap.net.pl/attachments/76009/)
2. Press **Review & save** and confirm the change in the window that opens. The page shows **Needs an rtorrent restart.** Press **Apply now**.
3. Open **Diagnostics** and press **Download blocklist & load** in the **Maintenance** card. The line under the button reads **Address ranges loaded in rtorrent: ….**
![](https://forum.qnap.net.pl/attachments/76010/)

**Notice & Advise**

- To turn the blocklist off, switch it off, save and press **Apply now**. rtorrent keeps a loaded list until it restarts.
- The package keeps a downloaded list only when it holds IPv4 ranges written as two addresses joined by a dash, for example 192.0.2.0-192.0.2.255. A file without such a range is refused, and the previous list stays.

Ref. links:
[Rtorrent 16 guide: Ports](https://pub.qnaputilities.com/rtorrent16/demo/guides/?g=ports)

---

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