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openclaw - 💡(How to fix) Fix [Bug]: blocked URL fetch (url-fetch) targetOrigin=https://XXXXX reason=Blocked: resolves to private/internal/special-use IP address

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Since upgrading from 2026.5.7 to 2026.5.12, my OpenClaw has been unable to connect to my locally deployed llamacpp server. The logs show:

blocked URL fetch (url-fetch) targetOrigin=https://XXXXX reason=Blocked: resolves to private/internal/special-use IP address

https://XXXXX obviously points to a private address because XXX is provided by Tailscale's Magic DNS. I think this block is completely unreasonable. I have already applied for an HTTPS certificate for XXXXX using DNS-01, so this is an extremely secure address. Any browser can safely access this address as long as Tailscale's Magic DNS service is enabled. Furthermore, previous versions worked without issue.

Root Cause

Since upgrading from 2026.5.7 to 2026.5.12, my OpenClaw has been unable to connect to my locally deployed llamacpp server. The logs show:

blocked URL fetch (url-fetch) targetOrigin=https://XXXXX reason=Blocked: resolves to private/internal/special-use IP address

https://XXXXX obviously points to a private address because XXX is provided by Tailscale's Magic DNS. I think this block is completely unreasonable. I have already applied for an HTTPS certificate for XXXXX using DNS-01, so this is an extremely secure address. Any browser can safely access this address as long as Tailscale's Magic DNS service is enabled. Furthermore, previous versions worked without issue.

Code Example

blocked URL fetch (url-fetch) targetOrigin=https://XXXXX reason=Blocked: resolves to private/internal/special-use IP address

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RAW_BUFFERClick to expand / collapse

Bug type

Behavior bug (incorrect output/state without crash)

Beta release blocker

No

Summary

Since upgrading from 2026.5.7 to 2026.5.12, my OpenClaw has been unable to connect to my locally deployed llamacpp server. The logs show:

blocked URL fetch (url-fetch) targetOrigin=https://XXXXX reason=Blocked: resolves to private/internal/special-use IP address

https://XXXXX obviously points to a private address because XXX is provided by Tailscale's Magic DNS. I think this block is completely unreasonable. I have already applied for an HTTPS certificate for XXXXX using DNS-01, so this is an extremely secure address. Any browser can safely access this address as long as Tailscale's Magic DNS service is enabled. Furthermore, previous versions worked without issue.

Steps to reproduce

  1. Deploy a llamacpp server in the tailscale private LAN.
  2. Configure OpenClaw to use the server described above, using the domain name provided by Magic DNS.
  3. Apply for a certificate for this domain name using dns-01.
  4. Bang, OpenClaw's agent went down.

Expected behavior

Normal use

Actual behavior

Unable to connect

OpenClaw version

2026.5.12

Operating system

Ubuntu 22.04.5

Install method

docker

Model

qwen3.6

Provider / routing chain

openclaw -> llamacpp

Additional provider/model setup details

No response

Logs, screenshots, and evidence

Impact and severity

No response

Additional information

No response

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FAQ

Expected behavior

Normal use

#configuration error#environment variable#network issue#logging issue#authentication issue

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openclaw - 💡(How to fix) Fix [Bug]: blocked URL fetch (url-fetch) targetOrigin=https://XXXXX reason=Blocked: resolves to private/internal/special-use IP address