8000 KMS per media ice-ufrag/ice-pwd using wrong username/password · Issue #126 · Kurento/kurento · GitHub
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KMS per media ice-ufrag/ice-pwd using wrong username/password #126

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Mortega5 opened this issue Apr 15, 2025 · 1 comment
Open
3 tasks done

KMS per media ice-ufrag/ice-pwd using wrong username/password #126

Mortega5 opened this issue Apr 15, 2025 · 1 comment

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@Mortega5
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Prerequisites

These are MANDATORY, otherwise the issue will be automatically closed.

Issue description

When the SDP offer has different ice-ufrag and ice-pwd for each media, Kurento only uses one of the pairs to perform ICE candidate checks. This issue was previously reported in the Kurento bugtracker, but it hasn't been imported into this repository. I’ve seen that this is still happening in the latest version of Kurento.

Context

I am attempting to negotiate the SDP generated by another media server with Kurento; however, the other media server raises concerns regarding the method of ICE candidate validation, particularly with respect to the STUN request. XMS reports that Kurento is making STUN requests with incorrect credentials. Upon reviewing the Wireshark traces, I observe that Kurento consistently uses the same ufrag for both media streams.

How to reproduce?

  1. Create a media pipeline and an WebRtcEndpoint
  2. Process an SDP with different ice-ufrag and ice-pwd per media track
  3. The STUN requests contain always the same userA:userB pair

Expected & current behavior

Kurento should use the corresponding ice-ufrag and ice-pwd for each media stream in each STUN request.

Info about your environment

About Kurento Media Server

About your Application Server

  • Programming Language: Java
  • Kurento Client version: 7.2.0

About end-user clients

Run these commands

cat /etc/lsb-release

kurento-media-server --version

dpkg -l | grep -Pi 'kurento|kms-|gst.*1.5|nice'
@slabajo
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slabajo commented Apr 22, 2025

Thanks for your issue description. I think that you are right, that the previous issue got lost when we switched to our current mono-repo.
Anyway, allow us a little time to analyze the issue and see possible fixes.

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@slabajo @Mortega5
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