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authorJorik Schellekens <joriks@matrix.org>2019-07-22 11:18:50 +0100
committerJorik Schellekens <joriks@matrix.org>2019-07-22 11:18:50 +0100
commit0fd171770a50385cf850d80921f1177940693a45 (patch)
treebacff75a844b9baaa123a361c929fc888edb91ba /synapse/config
parentRevert "Remove deprecated 'verbose' cli arg" (diff)
parentOpentracing Documentation (#5703) (diff)
downloadsynapse-0fd171770a50385cf850d80921f1177940693a45.tar.xz
Merge branch 'release-v1.2.0' into develop
Diffstat (limited to 'synapse/config')
-rw-r--r--synapse/config/tracer.py14
1 files changed, 2 insertions, 12 deletions
diff --git a/synapse/config/tracer.py b/synapse/config/tracer.py
index a2ce9ab3f6..4479454415 100644
--- a/synapse/config/tracer.py
+++ b/synapse/config/tracer.py
@@ -48,18 +48,8 @@ class TracerConfig(Config):
             #enabled: true
 
             # The list of homeservers we wish to send and receive span contexts and span baggage.
-            #
-            # Though it's mostly safe to send and receive span contexts to and from
-            # untrusted users since span contexts are usually opaque ids it can lead to
-            # two problems, namely:
-            # - If the span context is marked as sampled by the sending homeserver the receiver will
-            # sample it. Therefore two homeservers with wildly disparaging sampling policies
-            # could incur higher sampling counts than intended.
-            # - Span baggage can be arbitrary data. For safety this has been disabled in synapse
-            # but that doesn't prevent another server sending you baggage which will be logged
-            # to opentracing logs.
-            #
-            # This a list of regexes which are matched against the server_name of the
+            # See docs/opentracing.rst
+            # This is a list of regexes which are matched against the server_name of the
             # homeserver.
             #
             # By defult, it is empty, so no servers are matched.