---
description: Find answers to common Log Explorer questions.
title: FAQ
image: https://developers.cloudflare.com/og-docs.png
---

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> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/logs/llms.txt  
> Use this file to discover all available pages before exploring further.

# FAQ

Last updated Aug 25, 2026|Copy as Markdown|[View as Markdown](https://66f4ea29.previews.developers.cloudflare.com/logs/faq/index.md)|[Agent setup](https://66f4ea29.previews.developers.cloudflare.com/agent-setup/)

Below you will find answers to the most commonly asked questions regarding Cloudflare Logs. If you cannot find the answer you are looking for, go to the [community page ↗](https://community.cloudflare.com/) and post your question there.

---

## General FAQ

For general questions about Logs.

[General FAQ ❯](https://66f4ea29.previews.developers.cloudflare.com/logs/faq/general-faq/) 

## Logpush

For questions about Logpush.

[Logpush ❯](https://66f4ea29.previews.developers.cloudflare.com/logs/faq/logpush/) 

## Instant Logs

For questions about Instant Logs.

[Instant Logs ❯](https://66f4ea29.previews.developers.cloudflare.com/logs/faq/instant-logs/) 

## Logpull API

For questions about the Logpull API.

[Logpull API ❯](https://66f4ea29.previews.developers.cloudflare.com/logs/faq/logpull-api/) 

## Common calculations

For questions about common calculations.

[Common calculations ❯](https://66f4ea29.previews.developers.cloudflare.com/logs/faq/common-calculations/) 

## Random hostnames

For questions about unexpected hostnames in HTTP logs for partial zones.

[Random hostnames ❯](https://66f4ea29.previews.developers.cloudflare.com/logs/faq/random-hostnames-partial-zones/) 

## 504 with origin status 0

For questions about `504` responses with `OriginResponseStatus=0` that appear in Logpush but not the dashboard.

[504 with origin status 0 ❯](https://66f4ea29.previews.developers.cloudflare.com/logs/faq/504-origin-status-0/) 

## Worker subrequests

For questions about correlating the initial Worker request with the Worker-to-origin subrequest.

[Worker subrequests ❯](https://66f4ea29.previews.developers.cloudflare.com/logs/faq/worker-subrequests/)

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## On this page

[![](https://66f4ea29.previews.developers.cloudflare.com/_astro/logo.te5VL_aD.svg)Docs](https://66f4ea29.previews.developers.cloudflare.com/)

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