# Matrix Connectivity Tester

**URL:** https://forum.mtrnord.blog/c/matrix-connectivity-tester/5.md

[Latest](https://forum.mtrnord.blog/latest.md) · [Categories](https://forum.mtrnord.blog/categories.md) · [Tags](https://forum.mtrnord.blog/tags.md)

---

## [About the Matrix Connectivity Tester category](https://forum.mtrnord.blog/t/about-the-matrix-connectivity-tester-category/7)

<div class="topic-metadata">

**Author:** [@MTRNord](https://forum.mtrnord.blog/u/MTRNord)\
**Replies:** 0\
**Last updated:** [May 9, 2026, 7:41pm UTC](https://forum.mtrnord.blog/t/about-the-matrix-connectivity-tester-category/7 "2026-05-09T19:41:01Z")

</div>

Hi and welcome! This Category is used for everything around the Matrix Connectivity Tester. Specifically this category is used to make Announcements. For support requests use the Matrix Connectivity Tester \> Support s…

---

## [Outgoing federation check: target never reached us back](https://forum.mtrnord.blog/t/outgoing-federation-check-target-never-reached-us-back/24)

<div class="topic-metadata">

**Author:** [@Glandos](https://forum.mtrnord.blog/u/Glandos)\
**Replies:** 2\
**Last updated:** [August 22, 2026, 3:24pm UTC](https://forum.mtrnord.blog/t/outgoing-federation-check-target-never-reached-us-back/24 "2026-08-22T15:24:49Z")

</div>

Hi! Since August 17th 17:40, my home server is in a down/recovered loop every 45 minutes or so. Message from service: outgoing federation check: target never reached us back (no incoming callback received) My conti…

---

## [Check server's perspective on base\_url / rendezvous](https://forum.mtrnord.blog/t/check-servers-perspective-on-base-url-rendezvous/20)

<div class="topic-metadata">

**Author:** [@networkException](https://forum.mtrnord.blog/u/networkException)\
**Replies:** 2\
**Last updated:** [August 17, 2026, 7:27pm UTC](https://forum.mtrnord.blog/t/check-servers-perspective-on-base-url-rendezvous/20 "2026-08-17T19:27:31Z")

</div>

I had it two times now that a missing or wrong public\_baseurl value in Synapse’s config caused trouble only in some cases. This might be a me issue entirely because I configure my reverse proxy to answer /.well-known/mat…

---

## [/.well-known/matrix/client redirect without CORS not detected](https://forum.mtrnord.blog/t/well-known-matrix-client-redirect-without-cors-not-detected/23)

<div class="topic-metadata">

**Author:** [@mal](https://forum.mtrnord.blog/u/mal)\
**Replies:** 2\
**Last updated:** [August 17, 2026, 5:56pm UTC](https://forum.mtrnord.blog/t/well-known-matrix-client-redirect-without-cors-not-detected/23 "2026-08-17T17:56:03Z")

</div>

Hello, thanks for the tool. The hope.net homeserver currently has misconfigured CORS. https://hope.net/.well-known/matrix/client returns a 302 without Access-Control-Allow-Origin: \*, which breaks Element desktop, cinny,…

---

## [Federation well-known does not seem to be correctly probed (maybe caused by redirect)](https://forum.mtrnord.blog/t/federation-well-known-does-not-seem-to-be-correctly-probed-maybe-caused-by-redirect/22)

<div class="topic-metadata">

**Author:** [@Cameo007](https://forum.mtrnord.blog/u/Cameo007)\
**Replies:** 3\
**Last updated:** [August 14, 2026, 7:13pm UTC](https://forum.mtrnord.blog/t/federation-well-known-does-not-seem-to-be-correctly-probed-maybe-caused-by-redirect/22 "2026-08-14T19:13:45Z")

</div>

Hi, I noticed that the IPv address used to perform the federation test is not right, it is the IP of the domain instead of the one of my matrix subdomain. well-known delegation is set up correctly but maybe it is faili…

---

## [Outgoing federation doesn't resolve \`/.well-known/matrix/client\` redirects](https://forum.mtrnord.blog/t/outgoing-federation-doesnt-resolve-well-known-matrix-client-redirects/21)

<div class="topic-metadata">

**Author:** [@networkException](https://forum.mtrnord.blog/u/networkException)\
**Replies:** 2\
**Last updated:** [August 14, 2026, 5:55pm UTC](https://forum.mtrnord.blog/t/outgoing-federation-doesnt-resolve-well-known-matrix-client-redirects/21 "2026-08-14T17:55:19Z")

</div>

I’ve changed my well-known setup to use redirects and Synapse’s builtin client response which broke the outgoing federation test. This seems to require a simple flag change in https://phorge.mtrnord.blog/source/mcte/brow…

---

## [Outgoing federation request had an invalid signature for dimka511.pp.ua](https://forum.mtrnord.blog/t/outgoing-federation-request-had-an-invalid-signature-for-dimka511-pp-ua/18)

<div class="topic-metadata">

**Author:** [@dimka511](https://forum.mtrnord.blog/u/dimka511)\
**Replies:** 1\
**Last updated:** [August 1, 2026, 8:30pm UTC](https://forum.mtrnord.blog/t/outgoing-federation-request-had-an-invalid-signature-for-dimka511-pp-ua/18 "2026-08-01T20:30:13Z")

</div>

Hi! The tested server is dimka511.pp.ua. First of all, thank you for creating the Matrix Connectivity Tester. It has been very useful while setting up my homeserver. I’m running Tuwunel 1.8.2, and the report shows the…
