diff --git a/netwerk/cookie/Cookie.cpp b/netwerk/cookie/Cookie.cpp
index ae9ccdad3a96..e83a2fcae212 100644
--- a/netwerk/cookie/Cookie.cpp
+++ b/netwerk/cookie/Cookie.cpp
@@ -148,6 +148,10 @@ NS_IMETHODIMP Cookie::GetSameSite(int32_t* aSameSite) {
   }
   return NS_OK;
 }
+NS_IMETHODIMP Cookie::GetSchemeMap(nsICookie::schemeType* aSchemeMap) {
+  *aSchemeMap = static_cast<nsICookie::schemeType>(SchemeMap());
+  return NS_OK;
+}
 
 NS_IMETHODIMP
 Cookie::GetOriginAttributes(JSContext* aCx, JS::MutableHandle<JS::Value> aVal) {
diff --git a/netwerk/cookie/Cookie.h b/netwerk/cookie/Cookie.h
index af410cdb8d45..b6654df3101d 100644
--- a/netwerk/cookie/Cookie.h
+++ b/netwerk/cookie/Cookie.h
@@ -84,6 +84,7 @@ class Cookie final : public nsICookie {
   }
   inline int32_t SameSite() const { return mData.sameSite(); }
   inline int32_t RawSameSite() const { return mData.rawSameSite(); }
+  inline uint8_t SchemeMap() const { return mData.schemeMap(); }
 
   // setters
   inline void SetExpiry(int64_t aExpiry) { mData.expiry() = aExpiry; }
diff --git a/netwerk/cookie/CookieLogging.cpp b/netwerk/cookie/CookieLogging.cpp
index 7e68366b1689..d0e47b0cea6f 100644
--- a/netwerk/cookie/CookieLogging.cpp
+++ b/netwerk/cookie/CookieLogging.cpp
@@ -131,6 +131,13 @@ void CookieLogging::LogCookie(Cookie* aCookie) {
             ("sameSite: %s - rawSameSite: %s\n",
              SameSiteToString(aCookie->SameSite()),
              SameSiteToString(aCookie->RawSameSite())));
+    MOZ_LOG(
+        gCookieLog, LogLevel::Debug,
+        ("schemeMap %d (http: %s | https: %s | file: %s)\n",
+         aCookie->SchemeMap(),
+         (aCookie->SchemeMap() & nsICookie::SCHEME_HTTP ? "true" : "false"),
+         (aCookie->SchemeMap() & nsICookie::SCHEME_HTTPS ? "true" : "false"),
+         (aCookie->SchemeMap() & nsICookie::SCHEME_FILE ? "true" : "false")));
 
     nsAutoCString suffix;
     aCookie->OriginAttributesRef().CreateSuffix(suffix);
diff --git a/netwerk/cookie/CookiePersistentStorage.cpp b/netwerk/cookie/CookiePersistentStorage.cpp
index 7986a714186d..901ef3a3cd1a 100644
--- a/netwerk/cookie/CookiePersistentStorage.cpp
+++ b/netwerk/cookie/CookiePersistentStorage.cpp
@@ -1686,9 +1686,9 @@ UniquePtr<CookieStruct> CookiePersistentStorage::GetCookieFromRow(
   int32_t rawSameSite = aRow->AsInt32(IDX_RAW_SAME_SITE);
 
   // Create a new constCookie and assign the data.
-  return MakeUnique<CookieStruct>(name, value, host, path, expiry, lastAccessed,
-                                  creationTime, isHttpOnly, false, isSecure,
-                                  sameSite, rawSameSite);
+  return MakeUnique<CookieStruct>(
+      name, value, host, path, expiry, lastAccessed, creationTime, isHttpOnly,
+      false, isSecure, sameSite, rawSameSite, nsICookie::SCHEME_UNSET);
 }
 
 void CookiePersistentStorage::EnsureReadComplete() {
diff --git a/netwerk/cookie/CookieService.cpp b/netwerk/cookie/CookieService.cpp
index 514f4d0dd9de..249d307390ac 100644
--- a/netwerk/cookie/CookieService.cpp
+++ b/netwerk/cookie/CookieService.cpp
@@ -732,7 +732,7 @@ CookieService::AddNative(const nsACString& aHost, const nsACString& aPath,
                           nsCString(aPath), aExpiry, currentTimeInUsec,
                           Cookie::GenerateUniqueCreationTime(currentTimeInUsec),
                           aIsHttpOnly, aIsSession, aIsSecure, aSameSite,
-                          aSameSite);
+                          aSameSite, nsICookie::SCHEME_UNSET);
 
   RefPtr<Cookie> cookie = Cookie::Create(cookieData, key.mOriginAttributes);
   MOZ_ASSERT(cookie);
diff --git a/netwerk/cookie/nsICookie.idl b/netwerk/cookie/nsICookie.idl
index 7478a39ddbbb..e50576d507f9 100644
--- a/netwerk/cookie/nsICookie.idl
+++ b/netwerk/cookie/nsICookie.idl
@@ -119,4 +119,21 @@ interface nsICookie : nsISupports {
      * - SAMESITE_STRICT - the SameSite attribute is present and strict
      */
     readonly attribute int32_t sameSite;
+
+    /**
+     * The list of possible schemes of cookies. It's a bitmap because a cookie
+     * can be set on HTTP and HTTPS. At the moment, we treat it as the same
+     * cookie.
+     */
+    cenum schemeType : 8 {
+      SCHEME_UNSET = 0x00,
+      SCHEME_HTTP = 0x01,
+      SCHEME_HTTPS = 0x02,
+      SCHEME_FILE = 0x04,
+    };
+
+    /**
+     * Bitmap of schemes.
+     */
+    readonly attribute nsICookie_schemeType schemeMap;
 };
diff --git a/netwerk/ipc/NeckoChannelParams.ipdlh b/netwerk/ipc/NeckoChannelParams.ipdlh
index 69b9af45b0a5..1a11085475d1 100644
--- a/netwerk/ipc/NeckoChannelParams.ipdlh
+++ b/netwerk/ipc/NeckoChannelParams.ipdlh
@@ -436,6 +436,7 @@ struct CookieStruct
   bool      isSecure;
   int32_t   sameSite;
   int32_t   rawSameSite;
+  uint8_t   schemeMap;
 };
 
 struct DocumentChannelCreationArgs {