# Cscli hub update fails over IPv6

**URL:** <https://discourse.crowdsec.net/t/cscli-hub-update-fails-over-ipv6/2931>\
**Category:** crowdsec\
**Created:** [October 8, 2026, 8:13am UTC](https://discourse.crowdsec.net/t/cscli-hub-update-fails-over-ipv6/2931 "2026-10-08T08:13:07Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![roedie](https://dub1.discourse-cdn.com/flex013/user_avatar/discourse.crowdsec.net/roedie/32/1457_2.png) [@roedie](https://discourse.crowdsec.net/u/roedie)\
**Post date:** [October 8, 2026, 8:13am UTC](https://discourse.crowdsec.net/t/cscli-hub-update-fails-over-ipv6/2931/1 "2026-10-08T08:13:07Z")

</div>

Hi,

When updating the hub I get a 403.

After some troubleshooting I found this only happens with IPv6. Is there some issue with IPv6 or is my address somehow blocked?

```auto
# curl -6 https://cdn-hub.crowdsec.net/crowdsecurity/master/.index.json
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML><HEAD><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<TITLE>ERROR: The request could not be satisfied</TITLE>
</HEAD><BODY>
<H1>403 ERROR</H1>
<H2>The request could not be satisfied.</H2>
<HR noshade size="1px">
Request blocked.
We can't connect to the server for this app or website at this time. There might be too much traffic or a configuration error. Try again later, or contact the app or website owner.
<BR clear="all">
If you provide content to customers through CloudFront, you can find steps to troubleshoot and help prevent this error by reviewing the CloudFront documentation.
<BR clear="all">
<HR noshade size="1px">
<PRE>
Generated by cloudfront (CloudFront)
Request ID: C3hPtTsJ5UGoFXQlv9m9avPRgJS_cac1s0Pm4slexJiu06-Bs-oy4g==
</PRE>
<ADDRESS>
</ADDRESS>
</BODY></HTML>

```