diff --git a/src/backend/core/api/__init__.py b/src/backend/core/api/__init__.py
index 05ac309d..beb0ec3b 100644
--- a/src/backend/core/api/__init__.py
+++ b/src/backend/core/api/__init__.py
@@ -50,7 +50,10 @@ def get_frontend_configuration(request):
             else None,
             "default_country": settings.ROOM_TELEPHONY_DEFAULT_COUNTRY,
         },
-        "livekit": {"url": settings.LIVEKIT_CONFIGURATION["url"]},
+        "livekit": {
+            "url": settings.LIVEKIT_CONFIGURATION["url"],
+            "enable_firefox_proxy_workaround": settings.LIVEKIT_ENABLE_FIREFOX_PROXY_WORKAROUND,
+        },
     }
     frontend_configuration.update(settings.FRONTEND_CONFIGURATION)
     return Response(frontend_configuration)
diff --git a/src/backend/meet/settings.py b/src/backend/meet/settings.py
index b423bcf0..f3ad1648 100755
--- a/src/backend/meet/settings.py
+++ b/src/backend/meet/settings.py
@@ -492,6 +492,11 @@ class Base(Configuration):
         ),
         "url": values.Value(environ_name="LIVEKIT_API_URL", environ_prefix=None),
     }
+    LIVEKIT_ENABLE_FIREFOX_PROXY_WORKAROUND = values.BooleanValue(
+        environ_name="LIVEKIT_ENABLE_FIREFOX_PROXY_WORKAROUND",
+        environ_prefix=None,
+        default=False,
+    )
     LIVEKIT_VERIFY_SSL = values.BooleanValue(
         True, environ_name="LIVEKIT_VERIFY_SSL", environ_prefix=None
     )
diff --git a/src/frontend/src/api/useConfig.ts b/src/frontend/src/api/useConfig.ts
index 876775da..887c6223 100644
--- a/src/frontend/src/api/useConfig.ts
+++ b/src/frontend/src/api/useConfig.ts
@@ -39,6 +39,7 @@ export interface ApiConfig {
   manifest_link?: string
   livekit: {
     url: string
+    enable_firefox_proxy_workaround: boolean
   }
 }
 
diff --git a/src/frontend/src/features/rooms/components/Conference.tsx b/src/frontend/src/features/rooms/components/Conference.tsx
index 27c0a303..891ce2e8 100644
--- a/src/frontend/src/features/rooms/components/Conference.tsx
+++ b/src/frontend/src/features/rooms/components/Conference.tsx
@@ -25,6 +25,7 @@ import { navigateTo } from '@/navigation/navigateTo'
 import { MediaDeviceErrorAlert } from './MediaDeviceErrorAlert'
 import { usePostHog } from 'posthog-js/react'
 import { useConfig } from '@/api/useConfig'
+import { isFireFox } from '@/utils/livekit'
 
 export const Conference = ({
   roomId,
@@ -103,17 +104,40 @@ export const Conference = ({
      * This prefetch helps reduce initial connection latency by establishing
      * an early HTTP connection to the WebRTC signaling server
      *
-     * FIREFOX + PROXY WORKAROUND:
-     * On Firefox behind proxy configurations, WebSocket signaling fails to establish.
-     * Client receives HTTP 200 instead of expected 101 (Switching Protocols).
-     * This appears to be a certificate/security issue where the initial request
-     * is considered unsecure. By first calling the signaling server via HTTPS,
-     * subsequent WebSocket establishment works correctly in these setups.
-     * This is a workaround - issue is reproducible on LiveKit's demo app.
+     * It should cache DNS and TLS keys.
      */
     const prepareConnection = async () => {
       if (!apiConfig || isConnectionWarmedUp) return
       await room.prepareConnection(apiConfig.livekit.url)
+
+      if (isFireFox() && apiConfig.livekit.enable_firefox_proxy_workaround) {
+        try {
+          const wssUrl =
+            apiConfig.livekit.url
+              .replace('https://', 'wss://')
+              .replace(/\/$/, '') + '/rtc'
+
+          /**
+           * FIREFOX + PROXY WORKAROUND:
+           *
+           * Issue: On Firefox behind proxy configurations, WebSocket signaling fails to establish.
+           * Symptom: Client receives HTTP 200 instead of expected 101 (Switching Protocols).
+           * Root Cause: Certificate/security issue where the initial request is considered unsecure.
+           *
+           * Solution: Pre-establish a WebSocket connection to the signaling server, which fails.
+           * This "primes" the connection, allowing subsequent WebSocket establishments to work correctly.
+           *
+           * Note: This issue is reproducible on LiveKit's demo app.
+           * Reference: livekit-examples/meet/issues/466
+           */
+          const ws = new WebSocket(wssUrl)
+          // 401 unauthorized response is expected
+          ws.onerror = () => ws.readyState <= 1 && ws.close()
+        } catch (e) {
+          console.debug('Firefox WebSocket workaround failed.', e)
+        }
+      }
+
       setIsConnectionWarmedUp(true)
     }
     prepareConnection()
diff --git a/src/helm/env.d/dev-keycloak/values.meet.yaml.gotmpl b/src/helm/env.d/dev-keycloak/values.meet.yaml.gotmpl
index 2b0ec523..c45d4de3 100644
--- a/src/helm/env.d/dev-keycloak/values.meet.yaml.gotmpl
+++ b/src/helm/env.d/dev-keycloak/values.meet.yaml.gotmpl
@@ -52,6 +52,7 @@ backend:
     {{- end }}
     {{- end }}
     LIVEKIT_API_URL: https://livekit.127.0.0.1.nip.io/
+    LIVEKIT_ENABLE_FIREFOX_PROXY_WORKAROUND: True
     ALLOW_UNREGISTERED_ROOMS: False
     FRONTEND_SILENCE_LIVEKIT_DEBUG: False
     FRONTEND_SUPPORT: "{'id': '58ea6697-8eba-4492-bc59-ad6562585041', 'help_article_transcript': 'https://lasuite.crisp.help/fr/article/visio-transcript-1sjq43x', 'help_article_recording': 'https://lasuite.crisp.help/fr/article/visio-enregistrement-wgc8o0', 'help_article_more_tools': 'https://lasuite.crisp.help/fr/article/visio-tools-bvxj23'}"