diff --git a/browser_patches/firefox/BUILD_NUMBER b/browser_patches/firefox/BUILD_NUMBER
index 1343902521858..21a801b486aeb 100644
--- a/browser_patches/firefox/BUILD_NUMBER
+++ b/browser_patches/firefox/BUILD_NUMBER
@@ -1 +1 @@
-1102
+1103
diff --git a/browser_patches/firefox/juggler/NetworkObserver.js b/browser_patches/firefox/juggler/NetworkObserver.js
index 60d5c151b5736..2605f45655b3a 100644
--- a/browser_patches/firefox/juggler/NetworkObserver.js
+++ b/browser_patches/firefox/juggler/NetworkObserver.js
@@ -166,6 +166,10 @@ class NetworkObserver {
           proxyFilter.onProxyFilterResult(defaultProxyInfo);
           return;
         }
+        if (proxy.bypass.some(domain => channel.URI.host.endsWith(domain))) {
+          proxyFilter.onProxyFilterResult(defaultProxyInfo);
+          return;
+        }
         proxyFilter.onProxyFilterResult(protocolProxyService.newProxyInfo(
             proxy.type,
             proxy.host,
diff --git a/browser_patches/firefox/juggler/protocol/BrowserHandler.js b/browser_patches/firefox/juggler/protocol/BrowserHandler.js
index 27602087a3c95..5e55801ff2c3a 100644
--- a/browser_patches/firefox/juggler/protocol/BrowserHandler.js
+++ b/browser_patches/firefox/juggler/protocol/BrowserHandler.js
@@ -151,8 +151,8 @@ class BrowserHandler {
     this._targetRegistry.browserContextForId(browserContextId).httpCredentials = nullToUndefined(credentials);
   }
 
-  async setProxy({browserContextId, type, host, port}) {
-    this._targetRegistry.browserContextForId(browserContextId).proxy = { type, host, port };
+  async setProxy({browserContextId, type, host, port, bypass}) {
+    this._targetRegistry.browserContextForId(browserContextId).proxy = { type, host, port, bypass };
   }
 
   setRequestInterception({browserContextId, enabled}) {
diff --git a/browser_patches/firefox/juggler/protocol/Protocol.js b/browser_patches/firefox/juggler/protocol/Protocol.js
index fb10b708a42ce..b96c43547a023 100644
--- a/browser_patches/firefox/juggler/protocol/Protocol.js
+++ b/browser_patches/firefox/juggler/protocol/Protocol.js
@@ -263,6 +263,7 @@ const Browser = {
       params: {
         browserContextId: t.Optional(t.String),
         type: t.Enum(['http', 'https', 'socks', 'socks4']),
+        bypass: t.Array(t.String),
         host: t.String,
         port: t.Number,
       },