diff --git a/backend/package.json b/backend/package.json
index 7e1ef68..4bfcd9e 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -33,6 +33,7 @@
     "@nestjs/passport": "^9.0.0",
     "@nestjs/platform-fastify": "^9.2.1",
     "@nestjs/serve-static": "^3.0.0",
+    "@nestjs/throttler": "^3.1.0",
     "@nestjs/typeorm": "^9.0.1",
     "bcrypt": "^5.1.0",
     "bmp-img": "^1.2.1",
diff --git a/backend/src/app.module.ts b/backend/src/app.module.ts
index be513ef..b439a66 100644
--- a/backend/src/app.module.ts
+++ b/backend/src/app.module.ts
@@ -5,6 +5,7 @@ import { IncomingMessage, ServerResponse } from 'http';
 import { EarlyConfigModule } from './config/early/early-config.module';
 import { ServeStaticConfigService } from './config/early/serve-static.config.service';
 import { DatabaseModule } from './database/database.module';
+import { PicsurLayersModule } from './layers/PicsurLayers.module';
 import { PicsurLoggerModule } from './logger/logger.module';
 import { AuthManagerModule } from './managers/auth/auth.module';
 import { DemoManagerModule } from './managers/demo/demo.module';
@@ -45,6 +46,7 @@ const imageCorsOverride = (
     AuthManagerModule,
     DemoManagerModule,
     PicsurRoutesModule,
+    PicsurLayersModule,
   ],
 })
 export class AppModule implements NestModule {
diff --git a/backend/src/layers/PicsurLayers.module.ts b/backend/src/layers/PicsurLayers.module.ts
new file mode 100644
index 0000000..121f309
--- /dev/null
+++ b/backend/src/layers/PicsurLayers.module.ts
@@ -0,0 +1,23 @@
+import { Module } from '@nestjs/common';
+import { ThrottlerModule } from '@nestjs/throttler';
+import { MainExceptionFilter } from './exception/exception.filter';
+import { SuccessInterceptor } from './success/success.interceptor';
+import { PicsurThrottlerGuard } from './throttler/PicsurThrottler.guard';
+import { ZodValidationPipe } from './validate/zod-validator.pipe';
+
+@Module({
+  imports: [ThrottlerModule.forRoot()],
+  providers: [
+    PicsurThrottlerGuard,
+    MainExceptionFilter,
+    SuccessInterceptor,
+    ZodValidationPipe,
+  ],
+  exports: [
+    PicsurThrottlerGuard,
+    MainExceptionFilter,
+    SuccessInterceptor,
+    ZodValidationPipe,
+  ],
+})
+export class PicsurLayersModule {}
diff --git a/backend/src/layers/throttler/PicsurThrottler.guard.ts b/backend/src/layers/throttler/PicsurThrottler.guard.ts
new file mode 100644
index 0000000..3f1bb0f
--- /dev/null
+++ b/backend/src/layers/throttler/PicsurThrottler.guard.ts
@@ -0,0 +1,10 @@
+import { ExecutionContext, Injectable } from '@nestjs/common';
+import { ThrottlerGuard } from '@nestjs/throttler';
+import { Fail, FT } from 'picsur-shared/dist/types';
+
+@Injectable()
+export class PicsurThrottlerGuard extends ThrottlerGuard {
+  protected override throwThrottlingException(context: ExecutionContext): void {
+    throw Fail(FT.Permission, undefined, 'Too many requests');
+  }
+}
diff --git a/backend/src/main.ts b/backend/src/main.ts
index db756ad..9f0dcb8 100644
--- a/backend/src/main.ts
+++ b/backend/src/main.ts
@@ -11,6 +11,7 @@ import { UserDbService } from './collections/user-db/user-db.service';
 import { HostConfigService } from './config/early/host.config.service';
 import { MainExceptionFilter } from './layers/exception/exception.filter';
 import { SuccessInterceptor } from './layers/success/success.interceptor';
+import { PicsurThrottlerGuard } from './layers/throttler/PicsurThrottler.guard';
 import { ZodValidationPipe } from './layers/validate/zod-validator.pipe';
 import { PicsurLoggerService } from './logger/logger.service';
 import { MainAuthGuard } from './managers/auth/guards/main.guard';
@@ -20,7 +21,14 @@ async function bootstrap() {
   const isProduction = process.env['PICSUR_PRODUCTION'] !== undefined;
 
   // Create fasify
-  const fastifyAdapter = new FastifyAdapter();
+  const fastifyAdapter = new FastifyAdapter({
+    trustProxy: [
+      '127.0.0.0/8',
+      '10.0.0.0/8',
+      '172.16.0.0/12',
+      '192.168.0.0/16',
+    ],
+  });
   // TODO: generic error messages
   await fastifyAdapter.register(multipart as any);
   await fastifyAdapter.register(fastifyHelmet as any, HelmetOptions);
@@ -40,12 +48,11 @@ async function bootstrap() {
 
   app.flushLogs();
 
-  app.useGlobalFilters(new MainExceptionFilter());
-  app.useGlobalInterceptors(new SuccessInterceptor(app.get(Reflector)));
-  app.useGlobalPipes(new ZodValidationPipe());
-  app.useGlobalGuards(
-    new MainAuthGuard(app.get(Reflector), app.get(UserDbService)),
-  );
+  app.useGlobalFilters(app.get(MainExceptionFilter));
+  app.useGlobalInterceptors(app.get(SuccessInterceptor));
+  app.useGlobalPipes(app.get(ZodValidationPipe));
+
+  app.useGlobalGuards(app.get(PicsurThrottlerGuard), app.get(MainAuthGuard));
 
   // Start app
   const hostConfigService = app.get(HostConfigService);
diff --git a/backend/src/managers/auth/auth.module.ts b/backend/src/managers/auth/auth.module.ts
index 7343a1e..2eca869 100644
--- a/backend/src/managers/auth/auth.module.ts
+++ b/backend/src/managers/auth/auth.module.ts
@@ -13,7 +13,9 @@ import { AuthManagerService } from './auth.service';
 import { ApiKeyStrategy } from './guards/apikey.strategy';
 import { GuestStrategy } from './guards/guest.strategy';
 import { JwtStrategy } from './guards/jwt.strategy';
+import { LocalAuthGuard } from './guards/local-auth.guard';
 import { LocalAuthStrategy } from './guards/local-auth.strategy';
+import { MainAuthGuard } from './guards/main.guard';
 import { GuestService } from './guest.service';
 
 @Module({
@@ -30,13 +32,15 @@ import { GuestService } from './guest.service';
   ],
   providers: [
     AuthManagerService,
+    GuestService,
+    JwtSecretProvider,
     LocalAuthStrategy,
     JwtStrategy,
     GuestStrategy,
-    JwtSecretProvider,
     ApiKeyStrategy,
-    GuestService,
+    LocalAuthGuard,
+    MainAuthGuard,
   ],
-  exports: [UserDbModule, AuthManagerService],
+  exports: [UserDbModule, AuthManagerService, LocalAuthGuard, MainAuthGuard],
 })
 export class AuthManagerModule {}
diff --git a/yarn.lock b/yarn.lock
index 4840024..540a34c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3108,6 +3108,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@nestjs/throttler@npm:^3.1.0":
+  version: 3.1.0
+  resolution: "@nestjs/throttler@npm:3.1.0"
+  dependencies:
+    md5: ^2.2.1
+  peerDependencies:
+    "@nestjs/common": ^7.0.0 || ^8.0.0 || ^9.0.0
+    "@nestjs/core": ^7.0.0 || ^8.0.0 || ^9.0.0
+    reflect-metadata: ^0.1.13
+  checksum: fc0776d709aa5160005a2a86f6315cca9ce2d1c8dc8bf562810030f30e38e03b23ab4b7e265bdb70eb209dc84498a1390d1ba666eb3487f250dce308f31524b4
+  languageName: node
+  linkType: hard
+
 "@nestjs/typeorm@npm:^9.0.1":
   version: 9.0.1
   resolution: "@nestjs/typeorm@npm:9.0.1"
@@ -4807,6 +4820,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"charenc@npm:0.0.2":
+  version: 0.0.2
+  resolution: "charenc@npm:0.0.2"
+  checksum: 81dcadbe57e861d527faf6dd3855dc857395a1c4d6781f4847288ab23cffb7b3ee80d57c15bba7252ffe3e5e8019db767757ee7975663ad2ca0939bb8fcaf2e5
+  languageName: node
+  linkType: hard
+
 "chokidar@npm:3.5.3, chokidar@npm:>=3.0.0 <4.0.0, chokidar@npm:^3.0.0, chokidar@npm:^3.5.3":
   version: 3.5.3
   resolution: "chokidar@npm:3.5.3"
@@ -5222,6 +5242,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"crypt@npm:0.0.2":
+  version: 0.0.2
+  resolution: "crypt@npm:0.0.2"
+  checksum: baf4c7bbe05df656ec230018af8cf7dbe8c14b36b98726939cef008d473f6fe7a4fad906cfea4062c93af516f1550a3f43ceb4d6615329612c6511378ed9fe34
+  languageName: node
+  linkType: hard
+
 "css-loader@npm:6.7.3":
   version: 6.7.3
   resolution: "css-loader@npm:6.7.3"
@@ -7304,6 +7331,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"is-buffer@npm:~1.1.6":
+  version: 1.1.6
+  resolution: "is-buffer@npm:1.1.6"
+  checksum: 4a186d995d8bbf9153b4bd9ff9fd04ae75068fe695d29025d25e592d9488911eeece84eefbd8fa41b8ddcc0711058a71d4c466dcf6f1f6e1d83830052d8ca707
+  languageName: node
+  linkType: hard
+
 "is-core-module@npm:^2.8.1, is-core-module@npm:^2.9.0":
   version: 2.9.0
   resolution: "is-core-module@npm:2.9.0"
@@ -8035,6 +8069,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"md5@npm:^2.2.1":
+  version: 2.3.0
+  resolution: "md5@npm:2.3.0"
+  dependencies:
+    charenc: 0.0.2
+    crypt: 0.0.2
+    is-buffer: ~1.1.6
+  checksum: a63cacf4018dc9dee08c36e6f924a64ced735b37826116c905717c41cebeb41a522f7a526ba6ad578f9c80f02cb365033ccd67fe186ffbcc1a1faeb75daa9b6e
+  languageName: node
+  linkType: hard
+
 "media-typer@npm:0.3.0":
   version: 0.3.0
   resolution: "media-typer@npm:0.3.0"
@@ -9346,6 +9391,7 @@ __metadata:
     "@nestjs/schematics": ^9.0.3
     "@nestjs/serve-static": ^3.0.0
     "@nestjs/testing": ^9.2.1
+    "@nestjs/throttler": ^3.1.0
     "@nestjs/typeorm": ^9.0.1
     "@types/bcrypt": ^5.0.0
     "@types/cors": ^2.8.13