diff --git a/platform/ide-core/src/com/intellij/util/io/HttpRequests.java b/platform/ide-core/src/com/intellij/util/io/HttpRequests.java
index 5a75edc102b2..05ca608ac8d1 100644
--- a/platform/ide-core/src/com/intellij/util/io/HttpRequests.java
+++ b/platform/ide-core/src/com/intellij/util/io/HttpRequests.java
@@ -25,7 +25,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import ru.openide.io.StubUrlConnection;
-import ru.openide.io.WhiteListUrls;
+import ru.openide.io.BlackListUrls;
 
 import javax.net.ssl.HostnameVerifier;
 import javax.net.ssl.HttpsURLConnection;
@@ -582,7 +582,7 @@ public final class HttpRequests {
       request.myUrl = "https:" + request.myUrl.substring(5);
     }
 
-    if (!WhiteListUrls.isAvailableUrl(request.myUrl)) {
+    if (!BlackListUrls.isAvailableUrl(request.myUrl)) {
       LOG.info("Not available url: " + request.myUrl);
       URL url = new URL(request.myUrl);
       return new StubUrlConnection(url);
diff --git a/platform/ide-core/src/ru/openide/io/BlackListUrls.kt b/platform/ide-core/src/ru/openide/io/BlackListUrls.kt
new file mode 100644
index 000000000000..450e2aa11562
--- /dev/null
+++ b/platform/ide-core/src/ru/openide/io/BlackListUrls.kt
@@ -0,0 +1,79 @@
+// OpenIDE Project
+// Copyright (C) 2025 “Open Development Platform” Ltd. (https://openide.ru)
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License version 3 or later as published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program. If not, see http://www.gnu.org/licenses/.
+package ru.openide.io
+
+import com.intellij.notification.Notification
+import com.intellij.notification.NotificationAction
+import com.intellij.notification.NotificationType
+import java.net.URL
+import java.net.URLConnection
+
+object BlackListUrls {
+  private val urls = listOf(
+    "resources.jetbrains.com",
+    "download.jetbrains.com",
+    "packages.jetbrains.team",
+    "cache-redirector.jetbrains.com",
+    "www.jetbrains.com",
+    "intellij-test-discovery.labs.intellij.net",
+    "forms-service.jetbrains.com",
+    "ea-report.jetbrains.com",
+    "plugins.jetbrains.com",
+    "resources.jetbrains.com",
+    "uploads.jetbrains.com",
+    "analytics.services.jetbrains.com"
+  )
+
+  private val WITHOUT_PROTOCOL_REGEX = Regex("https?://")
+
+  @JvmStatic
+  fun isAvailableUrl(url: String): Boolean {
+    if (url.startsWith("file")) return true
+    val urlWithoutProtocol = url.replaceFirst(WITHOUT_PROTOCOL_REGEX, "")
+    if (urls.startsWith(urlWithoutProtocol)) {
+      if (OpenIdePersistentUrlStorage.getInstance().getUrls().startsWith(url)) {
+        return true
+      }
+
+      val findPluginId = OpenIdePluginUtil.getInstance().findNonBundledPluginId(Throwable())
+      if (findPluginId != null) {
+        return true
+      }
+
+      showAccessRequestNotification(url)
+      return false
+    }
+
+    return true
+  }
+
+  private fun showAccessRequestNotification(url: String) {
+    val addUrlAction = NotificationAction.createSimpleExpiring(OpenIdeBundle.message("allow.access")) {
+      OpenIdePersistentUrlStorage.getInstance().getUrls().add(url)
+    }
+
+    Notification("Find Problems", OpenIdeBundle.message("access.to.untrusted.source"), url, NotificationType.WARNING)
+      .addAction(addUrlAction)
+      .notify(null)
+  }
+
+  private fun List<String>.startsWith(url: String): Boolean {
+    return this.any { url.startsWith(it, true) }
+  }
+}
+
+class StubUrlConnection(url: URL): URLConnection(url) {
+  override fun connect() {
+  }
+}
\ No newline at end of file
diff --git a/platform/ide-core/src/ru/openide/io/WhiteListUrls.kt b/platform/ide-core/src/ru/openide/io/WhiteListUrls.kt
deleted file mode 100644
index e2910690f0b6..000000000000
--- a/platform/ide-core/src/ru/openide/io/WhiteListUrls.kt
+++ /dev/null
@@ -1,38 +0,0 @@
-// Copyright (c) Haulmont 2024. All Rights Reserved.
-// Use is subject to license terms.
-package com.intellij.util.io
-
-import java.net.URL
-import java.net.URLConnection
-
-object WhiteListUrls {
-  private val urls = listOf(
-    "https://github.com",
-    "https://search.maven.org",
-    "https://repo.jfrog.org",
-    "https://oss.sonatype.org",
-    "https://repository.jboss.org",
-    "https://repo.maven.apache.org",
-    "https://plugins.gradle.org/plugin/org.jetbrains.intellij",
-    "https://api.github.com/repos",
-    "https://pypi.python.org",
-    "http://localhost",
-    "https://services.gradle.org",
-    "https://plugins.openide.ru/",
-    "https://downloads.marketplace.openide.ru",
-    "https://downloads.openide.ru",
-    "https://repo1.maven.org/maven2/net/sourceforge/plantuml/plantuml/1.2023.10/plantuml-1.2023.10.jar",
-    "https://amplicode.ru",
-    "https://download.openide.ru"
-  )
-
-  @JvmStatic
-  fun isAvailableUrl(url: String): Boolean {
-    return urls.any { url.startsWith(it, true) }
-  }
-}
-
-class StubUrlConnection(url: URL): URLConnection(url) {
-  override fun connect() {
-  }
-}
\ No newline at end of file