From 3877e914c49571afaab71d1ed1d9dd6a1cbf9617 Mon Sep 17 00:00:00 2001
From: Alexander Skoblikov <aleksandr.skoblikov@dbeaver.com>
Date: Tue, 26 Aug 2025 16:01:25 +0300
Subject: [PATCH] dbeaver/pro#6462 error instead of redirect for gql requests
 (#3690)

* dbeaver/pro#6462 error instead of redirect for gql requests

* feat: force redirect on supportedHosts change

* fix: replace redirect with warning message

* fix: prevent active host removal

* fix: error message and ignore when on IP address

---------

Co-authored-by: Alexey Potsetsuev <wrouds@gmail.com>
Co-authored-by: kseniaguzeeva <112612526+kseniaguzeeva@users.noreply.github.com>
---
 .../server/jetty/CBJettyServer.java           |  9 ++-
 .../server/jetty/RequestHostFilter.java       | 57 ++++++++++++++-----
 .../core-blocks/src/FormControls/Textarea.tsx |  8 ++-
 .../FormControls/useCustomInputValidation.ts  | 16 +++---
 webapp/packages/core-utils/src/index.ts       |  1 +
 webapp/packages/core-utils/src/isIp.ts        | 17 ++++++
 ...onfigurationWizardPagesBootstrapService.ts |  2 +-
 .../Form/ServerConfigurationInfoForm.tsx      | 24 +++++++-
 .../ServerConfigurationFormPart.ts            | 19 ++++++-
 .../ServerConfigurationFormStateManager.ts    | 13 ++++-
 .../ServerConfigurationPage.tsx               |  2 +-
 .../getServerConfigurationFormPart.ts         |  5 +-
 .../plugin-administration/src/locales/en.ts   |  4 ++
 .../plugin-administration/src/locales/fr.ts   |  4 ++
 .../plugin-administration/src/locales/it.ts   |  4 ++
 .../plugin-administration/src/locales/ru.ts   |  4 ++
 .../plugin-administration/src/locales/vi.ts   |  4 ++
 .../plugin-administration/src/locales/zh.ts   |  4 ++
 18 files changed, 165 insertions(+), 32 deletions(-)
 create mode 100644 webapp/packages/core-utils/src/isIp.ts

diff --git a/server/bundles/io.cloudbeaver.server.ce/src/io/cloudbeaver/server/jetty/CBJettyServer.java b/server/bundles/io.cloudbeaver.server.ce/src/io/cloudbeaver/server/jetty/CBJettyServer.java
index 10f68c0e32..4db964b82b 100644
--- a/server/bundles/io.cloudbeaver.server.ce/src/io/cloudbeaver/server/jetty/CBJettyServer.java
+++ b/server/bundles/io.cloudbeaver.server.ce/src/io/cloudbeaver/server/jetty/CBJettyServer.java
@@ -120,12 +120,13 @@ public class CBJettyServer {
 
                 GraphQLEndpoint endpoint = new GraphQLEndpoint(new ServerConfigurationTimeLimitFilter(application));
                 application.addApplicationContextValue(GraphQL.class.getName(), endpoint.getGraphQL());
+                String gqlServletPath = serverConfiguration.getServicesURI() + "gql/*";
                 servletContextHandler.addServlet(
                     new ServletHolder(
                         "graphql",
                         endpoint
                     ),
-                    serverConfiguration.getServicesURI() + "gql/*"
+                    gqlServletPath
                 );
                 servletContextHandler.addEventListener(new CBServerContextListener(application));
 
@@ -157,7 +158,11 @@ public class CBJettyServer {
                         }
                     }
                 }
-                FilterHolder hostsFilter = new FilterHolder(new RequestHostFilter(application, excludedFilterPaths));
+                FilterHolder hostsFilter = new FilterHolder(new RequestHostFilter(
+                    application,
+                    excludedFilterPaths,
+                    Set.of(gqlServletPath)
+                ));
                 servletContextHandler.addFilter(hostsFilter, "/*", null);
 
 
diff --git a/server/bundles/io.cloudbeaver.server.ce/src/io/cloudbeaver/server/jetty/RequestHostFilter.java b/server/bundles/io.cloudbeaver.server.ce/src/io/cloudbeaver/server/jetty/RequestHostFilter.java
index f2406ddb4b..2666a3f76d 100644
--- a/server/bundles/io.cloudbeaver.server.ce/src/io/cloudbeaver/server/jetty/RequestHostFilter.java
+++ b/server/bundles/io.cloudbeaver.server.ce/src/io/cloudbeaver/server/jetty/RequestHostFilter.java
@@ -39,18 +39,30 @@ public class RequestHostFilter implements Filter {
     @NotNull
     private final CBApplication<?> application;
     private final Set<String> excludedPaths = new HashSet<>();
+    private final Set<String> errorPaths = new HashSet<>();
 
-    public RequestHostFilter(@NotNull CBApplication<?> application, @NotNull Set<String> excludedPaths) {
+    public RequestHostFilter(
+        @NotNull CBApplication<?> application,
+        @NotNull Set<String> excludedPaths,
+        @NotNull Set<String> errorPaths
+    ) {
         this.application = application;
         this.excludedPaths.addAll(
             excludedPaths.stream()
                 .map(path -> ServletAppUtils.removeSideSlashes(path.replace("*", "")))
                 .toList()
         );
+        this.errorPaths.addAll(
+            errorPaths.stream()
+                .map(path -> ServletAppUtils.removeSideSlashes(path.replace("*", "")))
+                .toList()
+        );
     }
 
     @Override
     public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
+        boolean requestAllowed = true;
+
         if (request instanceof HttpServletRequest httpRequest) {
             CBServerConfig serverConfig = application.getServerConfiguration();
             URI originUri;
@@ -64,7 +76,8 @@ public class RequestHostFilter implements Filter {
             }
             boolean isIpAddress = InetAddresses.isInetAddress(originUri.getHost());
             String servletPath = httpRequest.getServletPath();
-            if (!isIpAddress) {
+            requestAllowed = isIpAddress;
+            if (!requestAllowed) {
                 if (CommonUtils.isNotEmpty(servletPath)) {
                     for (String excludedPath : excludedPaths) {
                         if (servletPath.contains(excludedPath)) {
@@ -73,17 +86,21 @@ public class RequestHostFilter implements Filter {
                         }
                     }
                 }
-                validateHosts(serverConfig, httpRequest, response, originUri);
+                requestAllowed = validateHosts(serverConfig, httpRequest, (HttpServletResponse) response, originUri);
+            }
+            if (requestAllowed) {
+                requestAllowed = validateSchema(serverConfig, httpRequest, (HttpServletResponse) response, originUri);
             }
-            validateSchema(serverConfig, httpRequest, response, originUri);
         }
-        chain.doFilter(request, response);
+        if (requestAllowed) {
+            chain.doFilter(request, response);
+        }
     }
 
-    private void validateSchema(
+    private boolean validateSchema(
         @NotNull CBServerConfig serverConfig,
         @NotNull HttpServletRequest httpRequest,
-        @NotNull ServletResponse response,
+        @NotNull HttpServletResponse response,
         @NotNull URI originUri
     ) {
         boolean httpsExpected = serverConfig.isForceHttps();
@@ -100,22 +117,24 @@ public class RequestHostFilter implements Filter {
                     redirectUrlBuilder.append("?")
                         .append(httpRequest.getQueryString());
                 }
-                ((HttpServletResponse) response).sendRedirect(redirectUrlBuilder.toString());
+                response.sendRedirect(redirectUrlBuilder.toString());
+                return false;
             }
         } catch (Exception e) {
             log.error("Failed to redirect to HTTPS", e);
         }
+        return true;
     }
 
-    private void validateHosts(
+    private boolean validateHosts(
         @NotNull CBServerConfig serverConfig,
         @NotNull HttpServletRequest httpRequest,
-        @NotNull ServletResponse response,
+        @NotNull HttpServletResponse response,
         URI originUri
     ) throws IOException {
         List<String> availableHosts = serverConfig.getSupportedHosts();
         if (CommonUtils.isEmpty(availableHosts)) {
-            return;
+            return true;
         }
         try {
             var requestHostBuilder = new StringBuilder(originUri.getHost());
@@ -124,13 +143,25 @@ public class RequestHostFilter implements Filter {
             }
             String requestHost = requestHostBuilder.toString();
             if (!availableHosts.contains(requestHost)) {
+                for (String errorPath : errorPaths) {
+                    if (httpRequest.getServletPath().contains(errorPath)) {
+                        response.setStatus(HttpServletResponse.SC_FORBIDDEN);
+                        response.getWriter().write(
+                            "Request host '" + requestHost + "' is not allowed. Available hosts: " + availableHosts
+                        );
+                        return false;
+                    }
+                }
                 log.warn("Request host '" + requestHost + "' is not allowed. Redirect to default: " + availableHosts);
-                redirectToDefaultHost((HttpServletResponse) response, httpRequest, availableHosts);
+                redirectToDefaultHost(response, httpRequest, availableHosts);
+                return false;
             }
         } catch (Throwable e) {
             log.error(e.getMessage(), e);
-            redirectToDefaultHost((HttpServletResponse) response, httpRequest, availableHosts);
+            redirectToDefaultHost(response, httpRequest, availableHosts);
+            return false;
         }
+        return true;
     }
 
     private void redirectToDefaultHost(
diff --git a/webapp/packages/core-blocks/src/FormControls/Textarea.tsx b/webapp/packages/core-blocks/src/FormControls/Textarea.tsx
index d7cfe6db6d..ade763c166 100644
--- a/webapp/packages/core-blocks/src/FormControls/Textarea.tsx
+++ b/webapp/packages/core-blocks/src/FormControls/Textarea.tsx
@@ -23,10 +23,12 @@ import { FieldDescription } from './FieldDescription.js';
 import { FieldLabel } from './FieldLabel.js';
 import { FormContext } from './FormContext.js';
 import textareaStyle from './Textarea.module.css';
+import { useMergeRefs } from '../useMergeRefs.js';
 
 type BaseProps = Omit<React.TextareaHTMLAttributes<HTMLTextAreaElement>, 'onChange' | 'style'> &
   ILayoutSizeProps & {
-    description?: string;
+    ref?: React.Ref<HTMLTextAreaElement | null>;
+    description?: React.ReactNode;
     labelTooltip?: string;
     embedded?: boolean;
     cursorInitiallyAtEnd?: boolean;
@@ -53,6 +55,7 @@ interface TextareaType {
 }
 
 export const Textarea: TextareaType = observer(function Textarea({
+  ref,
   name,
   value: controlledValue,
   state,
@@ -71,6 +74,7 @@ export const Textarea: TextareaType = observer(function Textarea({
   const translate = useTranslate();
   const inputId = useId();
   const textareaRef = useRef<HTMLTextAreaElement | null>(null);
+  const mergedRef = useMergeRefs(...[textareaRef, ref!].filter(Boolean));
   const layoutProps = getLayoutProps(rest);
   rest = filterLayoutFakeProps(rest);
   const styles = useS(textareaStyle);
@@ -108,7 +112,7 @@ export const Textarea: TextareaType = observer(function Textarea({
       </FieldLabel>
       <textarea
         {...rest}
-        ref={textareaRef}
+        ref={mergedRef}
         id={inputId}
         required={required}
         className={s(styles, { textarea: true })}
diff --git a/webapp/packages/core-blocks/src/FormControls/useCustomInputValidation.ts b/webapp/packages/core-blocks/src/FormControls/useCustomInputValidation.ts
index 90cd8e21ac..c647e372f1 100644
--- a/webapp/packages/core-blocks/src/FormControls/useCustomInputValidation.ts
+++ b/webapp/packages/core-blocks/src/FormControls/useCustomInputValidation.ts
@@ -1,6 +1,6 @@
 /*
  * CloudBeaver - Cloud Database Manager
- * Copyright (C) 2020-2024 DBeaver Corp and others
+ * Copyright (C) 2020-2025 DBeaver Corp and others
  *
  * Licensed under the Apache License, Version 2.0.
  * you may not use this file except in compliance with the License.
@@ -13,15 +13,17 @@ import { useTranslate } from '../localization/useTranslate.js';
 import { useExecutor } from '../useExecutor.js';
 import { FormContext } from './FormContext.js';
 
-export function useCustomInputValidation<T = void>(validation: (value: T) => string | null): React.RefObject<HTMLInputElement | null> {
+export function useCustomInputValidation<T = void, TType extends HTMLInputElement | HTMLTextAreaElement = HTMLInputElement>(
+  validation: (value: T) => string | null,
+): React.RefObject<TType | null> {
   const context = useContext(FormContext);
-  const inputRef = useRef<HTMLInputElement>(null);
+  const inputRef = useRef<TType | null>(null);
   const translate = useTranslate();
 
-  function validate(element: HTMLInputElement): boolean {
+  function validate(element: TType): boolean {
     let value: T = undefined as unknown as T;
 
-    if (element instanceof HTMLInputElement) {
+    if (element instanceof HTMLInputElement || element instanceof HTMLTextAreaElement) {
       value = element.value as unknown as T;
     }
 
@@ -64,14 +66,14 @@ export function useCustomInputValidation<T = void>(validation: (value: T) => str
     }
 
     function handleInput(event: Event) {
-      const target = event.target as HTMLInputElement;
+      const target = event.target as TType;
       if (target.validity.valid === false) {
         validate(target);
       }
     }
 
     function handleBlur(event: Event) {
-      const target = event.target as HTMLInputElement;
+      const target = event.target as TType;
       if (target.validity.valid === true) {
         validate(target);
       }
diff --git a/webapp/packages/core-utils/src/index.ts b/webapp/packages/core-utils/src/index.ts
index eaf7a56b12..26f38560a0 100644
--- a/webapp/packages/core-utils/src/index.ts
+++ b/webapp/packages/core-utils/src/index.ts
@@ -31,6 +31,7 @@ export * from './getPathName.js';
 export * from './getPathParent.js';
 export * from './getPathParents.js';
 export * from './getPathParts.js';
+export * from './isIp.js';
 export * from './GlobalConstants.js';
 export * from './ILoadableState.js';
 export * from './errorOf.js';
diff --git a/webapp/packages/core-utils/src/isIp.ts b/webapp/packages/core-utils/src/isIp.ts
new file mode 100644
index 0000000000..93d2a3bc70
--- /dev/null
+++ b/webapp/packages/core-utils/src/isIp.ts
@@ -0,0 +1,17 @@
+/*
+ * CloudBeaver - Cloud Database Manager
+ * Copyright (C) 2020-2025 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+export function isIp(host: string): boolean {
+  // Matches IPv4 like 127.0.0.1
+  const ipv4 = /^(25[0-5]|2[0-4]\d|1\d\d|\d\d?)\.(25[0-5]|2[0-4]\d|1\d\d|\d\d?)\.(25[0-5]|2[0-4]\d|1\d\d|\d\d?)\.(25[0-5]|2[0-4]\d|1\d\d|\d\d?)$/;
+
+  // Matches IPv6 like [2001:0db8::1]
+  const ipv6 = /^\[?([a-f0-9:]+)\]?$/i;
+
+  return ipv4.test(host) || ipv6.test(host);
+}
diff --git a/webapp/packages/plugin-administration/src/ConfigurationWizard/ConfigurationWizardPagesBootstrapService.ts b/webapp/packages/plugin-administration/src/ConfigurationWizard/ConfigurationWizardPagesBootstrapService.ts
index 0cf0ad6c0b..94b555f220 100644
--- a/webapp/packages/plugin-administration/src/ConfigurationWizard/ConfigurationWizardPagesBootstrapService.ts
+++ b/webapp/packages/plugin-administration/src/ConfigurationWizard/ConfigurationWizardPagesBootstrapService.ts
@@ -74,7 +74,7 @@ export class ConfigurationWizardPagesBootstrapService extends Bootstrap {
         onConfigurationFinish: async () => {
           const state = this.serverConfigurationFormStateManager.formState;
           if (state) {
-            const saved = await state.save();
+            const saved = await this.serverConfigurationFormStateManager.save();
 
             if (!saved) {
               const error = getFirstException(state.exception);
diff --git a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/Form/ServerConfigurationInfoForm.tsx b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/Form/ServerConfigurationInfoForm.tsx
index 15c49b237a..d81ed69032 100644
--- a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/Form/ServerConfigurationInfoForm.tsx
+++ b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/Form/ServerConfigurationInfoForm.tsx
@@ -7,12 +7,24 @@
  */
 import { observer } from 'mobx-react-lite';
 
-import { Group, GroupTitle, Link, IconOrImage, InputField, Switch, Textarea, useResource, useTranslate } from '@cloudbeaver/core-blocks';
+import {
+  Group,
+  GroupTitle,
+  Link,
+  IconOrImage,
+  InputField,
+  Switch,
+  Textarea,
+  useResource,
+  useTranslate,
+  useCustomInputValidation,
+} from '@cloudbeaver/core-blocks';
 import { ServerConfigResource } from '@cloudbeaver/core-root';
 
 import type { IServerConfigurationPageState } from '../IServerConfigurationPageState.js';
 import { MIN_SESSION_EXPIRE_TIME } from './MIN_SESSION_EXPIRE_TIME.js';
 import { WEBSITE_LINKS } from '@cloudbeaver/core-links';
+import { isIp } from '@cloudbeaver/core-utils';
 
 interface Props {
   state: IServerConfigurationPageState;
@@ -21,6 +33,15 @@ interface Props {
 export const ServerConfigurationInfoForm = observer<Props>(function ServerConfigurationInfoForm({ state }) {
   const serverConfigLoader = useResource(ServerConfigurationInfoForm, ServerConfigResource, undefined);
   const translate = useTranslate();
+  const validation = useCustomInputValidation<string, HTMLTextAreaElement>(value => {
+    const currentHost = window.location.host;
+
+    if (!isIp(window.location.hostname) && value.trim() && !value.includes(currentHost)) {
+      return translate('administration_configuration_wizard_configuration_supported_hosts_warning', undefined, { host: currentHost });
+    }
+
+    return null;
+  });
 
   function constructSupportedHostsExample() {
     const exampleWithPort = serverConfigLoader.data?.distributed ? 'localhost' : 'localhost:5000';
@@ -35,6 +56,7 @@ export const ServerConfigurationInfoForm = observer<Props>(function ServerConfig
         {translate('administration_configuration_wizard_configuration_server_name')}
       </InputField>
       <Textarea
+        ref={validation}
         title={translate('administration_configuration_wizard_configuration_server_url_description')}
         name="supportedHosts"
         rows={3}
diff --git a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationFormPart.ts b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationFormPart.ts
index 275c773126..8de41ae551 100644
--- a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationFormPart.ts
+++ b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationFormPart.ts
@@ -11,8 +11,9 @@ import { DEFAULT_NAVIGATOR_VIEW_SETTINGS } from '@cloudbeaver/core-connections';
 import { ExecutorInterrupter, type IExecutionContextProvider } from '@cloudbeaver/core-executor';
 import { CachedMapAllKey } from '@cloudbeaver/core-resource';
 import { DefaultNavigatorSettingsResource, PasswordPolicyResource, ProductInfoResource, ServerConfigResource } from '@cloudbeaver/core-root';
-import { FormPart, type IFormState } from '@cloudbeaver/core-ui';
-import { isObjectsEqual, isValuesEqual } from '@cloudbeaver/core-utils';
+import { FormPart, formValidationContext, type IFormState } from '@cloudbeaver/core-ui';
+import { isIp, isObjectsEqual, isValuesEqual } from '@cloudbeaver/core-utils';
+import { LocalizationService } from '@cloudbeaver/core-localization';
 
 import { MIN_SESSION_EXPIRE_TIME } from './Form/MIN_SESSION_EXPIRE_TIME.js';
 import type { IServerConfigurationFormPartState } from './IServerConfigurationFormPartState.js';
@@ -51,6 +52,7 @@ export class ServerConfigurationFormPart extends FormPart<IServerConfigurationFo
     private readonly authProvidersResource: AuthProvidersResource,
     private readonly passwordPolicyResource: PasswordPolicyResource,
     private readonly passwordPolicyService: PasswordPolicyService,
+    private readonly localizationService: LocalizationService,
   ) {
     super(formState, DEFAULT_STATE_GETTER());
   }
@@ -67,6 +69,19 @@ export class ServerConfigurationFormPart extends FormPart<IServerConfigurationFo
     data: IFormState<IServerConfigurationFormPartState>,
     contexts: IExecutionContextProvider<IFormState<IServerConfigurationFormPartState>>,
   ) {
+    const validation = contexts.getContext(formValidationContext);
+
+    const supportedHosts = this.state.serverConfig.supportedHosts;
+    const currentHost = window.location.host;
+
+    if (!isIp(window.location.hostname) && supportedHosts.trim() && !supportedHosts.includes(currentHost)) {
+      validation.error(
+        this.localizationService.translate('administration_configuration_wizard_configuration_supported_hosts_warning', undefined, {
+          host: currentHost,
+        }),
+      );
+    }
+
     if (this.administrationScreenService.isConfigurationMode) {
       await this.authProvidersResource.load(CachedMapAllKey);
 
diff --git a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationFormStateManager.ts b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationFormStateManager.ts
index bbc4d9828f..e53da65a30 100644
--- a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationFormStateManager.ts
+++ b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationFormStateManager.ts
@@ -8,6 +8,7 @@
 import { makeObservable, observable } from 'mobx';
 
 import { injectable, IServiceProvider } from '@cloudbeaver/core-di';
+import type { IFormState } from '@cloudbeaver/core-ui';
 
 import { ServerConfigurationFormService } from './ServerConfigurationFormService.js';
 import { ServerConfigurationFormState } from './ServerConfigurationFormState.js';
@@ -27,7 +28,7 @@ export class ServerConfigurationFormStateManager {
     });
   }
 
-  create() {
+  create(): IFormState<null> {
     if (this.formState) {
       return this.formState;
     }
@@ -36,7 +37,15 @@ export class ServerConfigurationFormStateManager {
     return this.formState;
   }
 
-  destroy() {
+  async save(): Promise<boolean> {
+    if (!this.formState) {
+      return false;
+    }
+
+    return await this.formState.save();
+  }
+
+  destroy(): void {
     if (this.formState) {
       this.formState?.dispose();
       this.formState = null;
diff --git a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationPage.tsx b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationPage.tsx
index eaa98d5404..f8af274989 100644
--- a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationPage.tsx
+++ b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/ServerConfigurationPage.tsx
@@ -88,7 +88,7 @@ export const ServerConfigurationPage: AdministrationItemContentComponent = obser
       }
     }
 
-    const saved = await formState.save();
+    const saved = await serverConfigurationFormStateManager.save();
 
     if (!saved) {
       const error = getFirstException(part.exception);
diff --git a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/getServerConfigurationFormPart.ts b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/getServerConfigurationFormPart.ts
index fcb6eb8dc4..d7afcb34ee 100644
--- a/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/getServerConfigurationFormPart.ts
+++ b/webapp/packages/plugin-administration/src/ConfigurationWizard/ServerConfiguration/getServerConfigurationFormPart.ts
@@ -1,6 +1,6 @@
 /*
  * CloudBeaver - Cloud Database Manager
- * Copyright (C) 2020-2024 DBeaver Corp and others
+ * Copyright (C) 2020-2025 DBeaver Corp and others
  *
  * Licensed under the Apache License, Version 2.0.
  * you may not use this file except in compliance with the License.
@@ -10,6 +10,7 @@ import { AuthProvidersResource, PasswordPolicyService } from '@cloudbeaver/core-
 import { createDataContext, DATA_CONTEXT_DI_PROVIDER } from '@cloudbeaver/core-data-context';
 import { DefaultNavigatorSettingsResource, PasswordPolicyResource, ProductInfoResource, ServerConfigResource } from '@cloudbeaver/core-root';
 import type { IFormState } from '@cloudbeaver/core-ui';
+import { LocalizationService } from '@cloudbeaver/core-localization';
 
 import { ServerConfigurationFormPart } from './ServerConfigurationFormPart.js';
 
@@ -25,6 +26,7 @@ export function getServerConfigurationFormPart(formState: IFormState<null>): Ser
     const authProvidersResource = di.getService(AuthProvidersResource);
     const passwordPolicyResource = di.getService(PasswordPolicyResource);
     const passwordPolicyService = di.getService(PasswordPolicyService);
+    const localizationService = di.getService(LocalizationService);
 
     return new ServerConfigurationFormPart(
       formState,
@@ -35,6 +37,7 @@ export function getServerConfigurationFormPart(formState: IFormState<null>): Ser
       authProvidersResource,
       passwordPolicyResource,
       passwordPolicyService,
+      localizationService,
     );
   });
 }
diff --git a/webapp/packages/plugin-administration/src/locales/en.ts b/webapp/packages/plugin-administration/src/locales/en.ts
index df9586eeaa..768b05d733 100644
--- a/webapp/packages/plugin-administration/src/locales/en.ts
+++ b/webapp/packages/plugin-administration/src/locales/en.ts
@@ -41,6 +41,10 @@ export default [
     'administration_configuration_wizard_configuration_supported_hosts_description',
     'You can specify multiple server URLs separated by a new line. An empty value means that all URLs are allowed',
   ],
+  [
+    'administration_configuration_wizard_configuration_supported_hosts_warning',
+    'You cannot remove your current domain ({arg:host}). Open the server configuration from another allowed domain or IP-address to remove this domain.',
+  ],
 
   ['administration_configuration_wizard_configuration_server_info', 'Server Information'],
   ['administration_configuration_wizard_configuration_server_name', 'Server Name'],
diff --git a/webapp/packages/plugin-administration/src/locales/fr.ts b/webapp/packages/plugin-administration/src/locales/fr.ts
index a26521939d..047c29880a 100644
--- a/webapp/packages/plugin-administration/src/locales/fr.ts
+++ b/webapp/packages/plugin-administration/src/locales/fr.ts
@@ -41,6 +41,10 @@ export default [
     'administration_configuration_wizard_configuration_supported_hosts_description',
     'You can specify multiple server URLs separated by a new line. An empty value means that all URLs are allowed',
   ],
+  [
+    'administration_configuration_wizard_configuration_supported_hosts_warning',
+    'You cannot remove your current domain ({arg:host}). Open the server configuration from another allowed domain or IP-address to remove this domain.',
+  ],
 
   ['administration_configuration_wizard_configuration_server_info', 'Informations sur le serveur'],
   ['administration_configuration_wizard_configuration_server_name', 'Nom du serveur'],
diff --git a/webapp/packages/plugin-administration/src/locales/it.ts b/webapp/packages/plugin-administration/src/locales/it.ts
index 7518213dc7..0292c6b159 100644
--- a/webapp/packages/plugin-administration/src/locales/it.ts
+++ b/webapp/packages/plugin-administration/src/locales/it.ts
@@ -41,6 +41,10 @@ export default [
     'administration_configuration_wizard_configuration_supported_hosts_description',
     'You can specify multiple server URLs separated by a new line. An empty value means that all URLs are allowed',
   ],
+  [
+    'administration_configuration_wizard_configuration_supported_hosts_warning',
+    'You cannot remove your current domain ({arg:host}). Open the server configuration from another allowed domain or IP-address to remove this domain.',
+  ],
 
   ['administration_configuration_wizard_configuration_server_info', 'Informazioni sul Server'],
   ['administration_configuration_wizard_configuration_server_name', 'Nome del Server'],
diff --git a/webapp/packages/plugin-administration/src/locales/ru.ts b/webapp/packages/plugin-administration/src/locales/ru.ts
index d5aa6d68b3..ffc1f1c09c 100644
--- a/webapp/packages/plugin-administration/src/locales/ru.ts
+++ b/webapp/packages/plugin-administration/src/locales/ru.ts
@@ -20,6 +20,10 @@ export default [
     'administration_configuration_wizard_configuration_supported_hosts_description',
     'Вы можете указать несколько URL серверов, разделенных новой строкой. Пустое значение означает, что все URL разрешены',
   ],
+  [
+    'administration_configuration_wizard_configuration_supported_hosts_warning',
+    'You cannot remove your current domain ({arg:host}). Open the server configuration from another allowed domain or IP-address to remove this domain.',
+  ],
 
   ['administration_configuration_wizard_configuration_server_info', 'Информация о сервере'],
   ['administration_configuration_wizard_configuration_server_name', 'Название сервера'],
diff --git a/webapp/packages/plugin-administration/src/locales/vi.ts b/webapp/packages/plugin-administration/src/locales/vi.ts
index 3104f2a013..546c96da5f 100644
--- a/webapp/packages/plugin-administration/src/locales/vi.ts
+++ b/webapp/packages/plugin-administration/src/locales/vi.ts
@@ -32,6 +32,10 @@ export default [
     'administration_configuration_wizard_configuration_supported_hosts_description',
     'You can specify multiple server URLs separated by a new line. An empty value means that all URLs are allowed',
   ],
+  [
+    'administration_configuration_wizard_configuration_supported_hosts_warning',
+    'You cannot remove your current domain ({arg:host}). Open the server configuration from another allowed domain or IP-address to remove this domain.',
+  ],
   ['administration_configuration_tools_save_tooltip', 'Lưu cấu hình'],
   ['administration_configuration_tools_cancel_tooltip', 'Đặt lại thay đổi'],
   ['administration_configuration_wizard_configuration_server_info', 'Thông tin Server'],
diff --git a/webapp/packages/plugin-administration/src/locales/zh.ts b/webapp/packages/plugin-administration/src/locales/zh.ts
index 3c462012b4..f7c3100bbb 100644
--- a/webapp/packages/plugin-administration/src/locales/zh.ts
+++ b/webapp/packages/plugin-administration/src/locales/zh.ts
@@ -38,6 +38,10 @@ export default [
     'administration_configuration_wizard_configuration_supported_hosts_description',
     'You can specify multiple server URLs separated by a new line. An empty value means that all URLs are allowed',
   ],
+  [
+    'administration_configuration_wizard_configuration_supported_hosts_warning',
+    'You cannot remove your current domain ({arg:host}). Open the server configuration from another allowed domain or IP-address to remove this domain.',
+  ],
 
   ['administration_configuration_wizard_configuration_server_info', '服务器信息'],
   ['administration_configuration_wizard_configuration_server_name', '服务器名称'],