diff --git a/synapse/http/matrixfederationclient.py b/synapse/http/matrixfederationclient.py
index 2efa15bf04..2e9898997c 100644
--- a/synapse/http/matrixfederationclient.py
+++ b/synapse/http/matrixfederationclient.py
@@ -59,7 +59,6 @@ from synapse.api.errors import (
from synapse.http import QuieterFileBodyProducer
from synapse.http.client import (
BlacklistingAgentWrapper,
- BlacklistingReactorWrapper,
BodyExceededMaxSize,
ByteWriteable,
encode_query_args,
@@ -69,7 +68,7 @@ from synapse.http.federation.matrix_federation_agent import MatrixFederationAgen
from synapse.logging import opentracing
from synapse.logging.context import make_deferred_yieldable
from synapse.logging.opentracing import set_tag, start_active_span, tags
-from synapse.types import ISynapseReactor, JsonDict
+from synapse.types import JsonDict
from synapse.util import json_decoder
from synapse.util.async_helpers import timeout_deferred
from synapse.util.metrics import Measure
@@ -325,13 +324,7 @@ class MatrixFederationHttpClient:
self.signing_key = hs.signing_key
self.server_name = hs.hostname
- # We need to use a DNS resolver which filters out blacklisted IP
- # addresses, to prevent DNS rebinding.
- self.reactor: ISynapseReactor = BlacklistingReactorWrapper(
- hs.get_reactor(),
- hs.config.federation_ip_range_whitelist,
- hs.config.federation_ip_range_blacklist,
- )
+ self.reactor = hs.get_reactor()
user_agent = hs.version_string
if hs.config.user_agent_suffix:
@@ -342,6 +335,7 @@ class MatrixFederationHttpClient:
self.reactor,
tls_client_options_factory,
user_agent,
+ hs.config.federation_ip_range_whitelist,
hs.config.federation_ip_range_blacklist,
)
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