diff --git a/.config/docker_example.yml b/.config/docker_example.yml
index 5cb17a44d1..89e6925408 100644
--- a/.config/docker_example.yml
+++ b/.config/docker_example.yml
@@ -165,8 +165,8 @@ proxyBypassHosts:
 # Media Proxy
 #mediaProxy: https://example.com/proxy
 
-# Proxy remote files (default: false)
-#proxyRemoteFiles: true
+# Proxy remote files (default: true)
+proxyRemoteFiles: true
 
 # Sign to ActivityPub GET request (default: true)
 signToActivityPubGet: true
diff --git a/.config/example.yml b/.config/example.yml
index b996a83fb5..49683c2f30 100644
--- a/.config/example.yml
+++ b/.config/example.yml
@@ -183,9 +183,9 @@ proxyBypassHosts:
 # * Perform image compression (on a different server resource than the main process)
 #mediaProxy: https://example.com/proxy
 
-# Proxy remote files (default: false)
+# Proxy remote files (default: true)
 # Proxy remote files by this instance or mediaProxy to prevent remote files from running in remote domains.
-#proxyRemoteFiles: true
+proxyRemoteFiles: true
 
 # Movie Thumbnail Generation URL
 # There is no reference implementation.
diff --git a/.devcontainer/devcontainer.yml b/.devcontainer/devcontainer.yml
index 824a046dc0..5cfb6174ca 100644
--- a/.devcontainer/devcontainer.yml
+++ b/.devcontainer/devcontainer.yml
@@ -165,8 +165,8 @@ proxyBypassHosts:
 # Media Proxy
 #mediaProxy: https://example.com/proxy
 
-# Proxy remote files (default: false)
-#proxyRemoteFiles: true
+# Proxy remote files (default: true)
+proxyRemoteFiles: true
 
 # Sign to ActivityPub GET request (default: true)
 signToActivityPubGet: true
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4fa6c98f96..46db1128bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,7 +25,7 @@
 - Fix: 未読のお知らせの「わかった」をクリック・タップしてもその場で「わかった」が消えない問題を修正
 
 ### Server
--
+- cacheRemoteFilesの初期値はfalseになりました
 
 ## 13.14.2
 
diff --git a/locales/index.d.ts b/locales/index.d.ts
index db7e3e9575..4dceec6050 100644
--- a/locales/index.d.ts
+++ b/locales/index.d.ts
@@ -159,6 +159,7 @@ export interface Locale {
     "settingGuide": string;
     "cacheRemoteFiles": string;
     "cacheRemoteFilesDescription": string;
+    "youCanCleanRemoteFilesCache": string;
     "cacheRemoteSensitiveFiles": string;
     "cacheRemoteSensitiveFilesDescription": string;
     "flagAsBot": string;
diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index b2fa9c337e..a91b919e6e 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -155,7 +155,8 @@ emojiUrl: "絵文字画像URL"
 addEmoji: "絵文字を追加"
 settingGuide: "おすすめ設定"
 cacheRemoteFiles: "リモートのファイルをキャッシュする"
-cacheRemoteFilesDescription: "この設定を無効にすると、リモートファイルをキャッシュせず直リンクするようになります。サーバーのストレージを節約できますが、サムネイルが生成されないので通信量が増加します。"
+cacheRemoteFilesDescription: "この設定を有効にすると、リモートファイルをこのサーバーのストレージにキャッシュするようになります。画像の表示が高速になりますが、サーバーのストレージを多く消費します。リモートユーザーがどれほどキャッシュを保持するかは、ロールによるドライブ容量制限によって決定されます。この制限を超えた場合、古いファイルからキャッシュが削除されリンクになります。この設定が無効の場合、リモートのファイルを最初からリンクとして保持しますが、画像のサムネイル生成やユーザーのプライバシー保護のために、default.ymlでproxyRemoteFilesをtrueにすることをお勧めします。"
+youCanCleanRemoteFilesCache: "ファイル管理の🗑️ボタンで全てのキャッシュを削除できます。"
 cacheRemoteSensitiveFiles: "リモートのセンシティブなファイルをキャッシュする"
 cacheRemoteSensitiveFilesDescription: "この設定を無効にすると、リモートのセンシティブなファイルはキャッシュせず直リンクするようになります。"
 flagAsBot: "Botとして設定"
diff --git a/packages/backend/migration/1690417561186-ChangeCacheRemoteFilesDefault.js b/packages/backend/migration/1690417561186-ChangeCacheRemoteFilesDefault.js
new file mode 100644
index 0000000000..7eda5debe5
--- /dev/null
+++ b/packages/backend/migration/1690417561186-ChangeCacheRemoteFilesDefault.js
@@ -0,0 +1,11 @@
+export class ChangeCacheRemoteFilesDefault1690417561186 {
+    name = 'ChangeCacheRemoteFilesDefault1690417561186'
+
+    async up(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "meta" ALTER COLUMN "cacheRemoteFiles" SET DEFAULT false`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "meta" ALTER COLUMN "cacheRemoteFiles" SET DEFAULT true`);
+    }
+}
diff --git a/packages/backend/migration/1690417561187-Fix.js b/packages/backend/migration/1690417561187-Fix.js
new file mode 100644
index 0000000000..e780e66d7b
--- /dev/null
+++ b/packages/backend/migration/1690417561187-Fix.js
@@ -0,0 +1,81 @@
+export class Fix1690417561187 {
+    name = 'Fix1690417561187'
+
+    async up(queryRunner) {
+        await queryRunner.query(`DROP INDEX "public"."IDX_2cd3b2a6b4cf0b910b260afe08"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_renote_muting_createdAt"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_renote_muting_muteeId"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_renote_muting_muterId"`);
+        await queryRunner.query(`COMMENT ON COLUMN "user"."isRoot" IS 'Whether the User is the root.'`);
+        await queryRunner.query(`COMMENT ON COLUMN "ad"."startsAt" IS 'The expired date of the Ad.'`);
+        await queryRunner.query(`ALTER TABLE "antenna" ALTER COLUMN "lastUsedAt" DROP DEFAULT`);
+        await queryRunner.query(`ALTER TABLE "meta" ALTER COLUMN "mascotImageUrl" DROP DEFAULT`);
+        await queryRunner.query(`ALTER TABLE "meta" ALTER COLUMN "preservedUsernames" SET DEFAULT '{ "admin", "administrator", "root", "system", "maintainer", "host", "mod", "moderator", "owner", "superuser", "staff", "auth", "i", "me", "everyone", "all", "mention", "mentions", "example", "user", "users", "account", "accounts", "official", "help", "helps", "support", "supports", "info", "information", "informations", "announce", "announces", "announcement", "announcements", "notice", "notification", "notifications", "dev", "developer", "developers", "tech", "misskey" }'`);
+        await queryRunner.query(`COMMENT ON COLUMN "renote_muting"."createdAt" IS 'The created date of the Muting.'`);
+        await queryRunner.query(`COMMENT ON COLUMN "renote_muting"."muteeId" IS 'The mutee user ID.'`);
+        await queryRunner.query(`COMMENT ON COLUMN "renote_muting"."muterId" IS 'The muter user ID.'`);
+        await queryRunner.query(`ALTER TABLE "poll" DROP CONSTRAINT "FK_da851e06d0dfe2ef397d8b1bf1b"`);
+        await queryRunner.query(`ALTER TABLE "poll" DROP CONSTRAINT "UQ_da851e06d0dfe2ef397d8b1bf1b"`);
+        await queryRunner.query(`ALTER TABLE "promo_note" DROP CONSTRAINT "FK_e263909ca4fe5d57f8d4230dd5c"`);
+        await queryRunner.query(`ALTER TABLE "promo_note" DROP CONSTRAINT "UQ_e263909ca4fe5d57f8d4230dd5c"`);
+        await queryRunner.query(`ALTER TABLE "user_keypair" DROP CONSTRAINT "FK_f4853eb41ab722fe05f81cedeb6"`);
+        await queryRunner.query(`ALTER TABLE "user_keypair" DROP CONSTRAINT "UQ_f4853eb41ab722fe05f81cedeb6"`);
+        await queryRunner.query(`ALTER TABLE "user_profile" DROP CONSTRAINT "FK_51cb79b5555effaf7d69ba1cff9"`);
+        await queryRunner.query(`ALTER TABLE "user_profile" DROP CONSTRAINT "UQ_51cb79b5555effaf7d69ba1cff9"`);
+        await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "FK_10c146e4b39b443ede016f6736d"`);
+        await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "UQ_10c146e4b39b443ede016f6736d"`);
+        await queryRunner.query(`CREATE INDEX "IDX_3fcc2c589eaefc205e0714b99c" ON "ad" ("startsAt") `);
+        await queryRunner.query(`CREATE UNIQUE INDEX "IDX_c71faf11f0a28a5c0bb506203c" ON "channel_favorite" ("userId", "channelId") `);
+        await queryRunner.query(`CREATE INDEX "IDX_f7b9d338207e40e768e4a5265a" ON "instance" ("firstRetrievedAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_d1259a2c2b7bb413ff449e8711" ON "renote_muting" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_7eac97594bcac5ffcf2068089b" ON "renote_muting" ("muteeId") `);
+        await queryRunner.query(`CREATE INDEX "IDX_7aa72a5fe76019bfe8e5e0e8b7" ON "renote_muting" ("muterId") `);
+        await queryRunner.query(`CREATE UNIQUE INDEX "IDX_0d801c609cec4e9eb4b6b4490c" ON "renote_muting" ("muterId", "muteeId") `);
+        await queryRunner.query(`ALTER TABLE "renote_muting" ADD CONSTRAINT "FK_7eac97594bcac5ffcf2068089b6" FOREIGN KEY ("muteeId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "renote_muting" ADD CONSTRAINT "FK_7aa72a5fe76019bfe8e5e0e8b7d" FOREIGN KEY ("muterId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "poll" ADD CONSTRAINT "FK_da851e06d0dfe2ef397d8b1bf1b" FOREIGN KEY ("noteId") REFERENCES "note"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "promo_note" ADD CONSTRAINT "FK_e263909ca4fe5d57f8d4230dd5c" FOREIGN KEY ("noteId") REFERENCES "note"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "user_keypair" ADD CONSTRAINT "FK_f4853eb41ab722fe05f81cedeb6" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "user_profile" ADD CONSTRAINT "FK_51cb79b5555effaf7d69ba1cff9" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "FK_10c146e4b39b443ede016f6736d" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+    }
+
+    async down(queryRunner) {
+        await queryRunner.query(`ALTER TABLE "user_publickey" DROP CONSTRAINT "FK_10c146e4b39b443ede016f6736d"`);
+        await queryRunner.query(`ALTER TABLE "user_profile" DROP CONSTRAINT "FK_51cb79b5555effaf7d69ba1cff9"`);
+        await queryRunner.query(`ALTER TABLE "user_keypair" DROP CONSTRAINT "FK_f4853eb41ab722fe05f81cedeb6"`);
+        await queryRunner.query(`ALTER TABLE "promo_note" DROP CONSTRAINT "FK_e263909ca4fe5d57f8d4230dd5c"`);
+        await queryRunner.query(`ALTER TABLE "poll" DROP CONSTRAINT "FK_da851e06d0dfe2ef397d8b1bf1b"`);
+        await queryRunner.query(`ALTER TABLE "renote_muting" DROP CONSTRAINT "FK_7aa72a5fe76019bfe8e5e0e8b7d"`);
+        await queryRunner.query(`ALTER TABLE "renote_muting" DROP CONSTRAINT "FK_7eac97594bcac5ffcf2068089b6"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_0d801c609cec4e9eb4b6b4490c"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_7aa72a5fe76019bfe8e5e0e8b7"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_7eac97594bcac5ffcf2068089b"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_d1259a2c2b7bb413ff449e8711"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_f7b9d338207e40e768e4a5265a"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_c71faf11f0a28a5c0bb506203c"`);
+        await queryRunner.query(`DROP INDEX "public"."IDX_3fcc2c589eaefc205e0714b99c"`);
+        await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "UQ_10c146e4b39b443ede016f6736d" UNIQUE ("userId")`);
+        await queryRunner.query(`ALTER TABLE "user_publickey" ADD CONSTRAINT "FK_10c146e4b39b443ede016f6736d" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "user_profile" ADD CONSTRAINT "UQ_51cb79b5555effaf7d69ba1cff9" UNIQUE ("userId")`);
+        await queryRunner.query(`ALTER TABLE "user_profile" ADD CONSTRAINT "FK_51cb79b5555effaf7d69ba1cff9" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "user_keypair" ADD CONSTRAINT "UQ_f4853eb41ab722fe05f81cedeb6" UNIQUE ("userId")`);
+        await queryRunner.query(`ALTER TABLE "user_keypair" ADD CONSTRAINT "FK_f4853eb41ab722fe05f81cedeb6" FOREIGN KEY ("userId") REFERENCES "user"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "promo_note" ADD CONSTRAINT "UQ_e263909ca4fe5d57f8d4230dd5c" UNIQUE ("noteId")`);
+        await queryRunner.query(`ALTER TABLE "promo_note" ADD CONSTRAINT "FK_e263909ca4fe5d57f8d4230dd5c" FOREIGN KEY ("noteId") REFERENCES "note"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`ALTER TABLE "poll" ADD CONSTRAINT "UQ_da851e06d0dfe2ef397d8b1bf1b" UNIQUE ("noteId")`);
+        await queryRunner.query(`ALTER TABLE "poll" ADD CONSTRAINT "FK_da851e06d0dfe2ef397d8b1bf1b" FOREIGN KEY ("noteId") REFERENCES "note"("id") ON DELETE CASCADE ON UPDATE NO ACTION`);
+        await queryRunner.query(`COMMENT ON COLUMN "renote_muting"."muterId" IS NULL`);
+        await queryRunner.query(`COMMENT ON COLUMN "renote_muting"."muteeId" IS NULL`);
+        await queryRunner.query(`COMMENT ON COLUMN "renote_muting"."createdAt" IS NULL`);
+        await queryRunner.query(`ALTER TABLE "meta" ALTER COLUMN "preservedUsernames" SET DEFAULT '{admin,administrator,root,system,maintainer,host,mod,moderator,owner,superuser,staff,auth,i,me,everyone,all,mention,mentions,example,user,users,account,accounts,official,help,helps,support,supports,info,information,informations,announce,announces,announcement,announcements,notice,notification,notifications,dev,developer,developers,tech,misskey}'`);
+        await queryRunner.query(`ALTER TABLE "meta" ALTER COLUMN "mascotImageUrl" SET DEFAULT '/assets/ai.png'`);
+        await queryRunner.query(`ALTER TABLE "antenna" ALTER COLUMN "lastUsedAt" SET DEFAULT '2023-04-25 06:51:20.985478+00'`);
+        await queryRunner.query(`COMMENT ON COLUMN "ad"."startsAt" IS NULL`);
+        await queryRunner.query(`COMMENT ON COLUMN "user"."isRoot" IS 'Whether the User is the admin.'`);
+        await queryRunner.query(`CREATE INDEX "IDX_renote_muting_muterId" ON "muting" ("muterId") `);
+        await queryRunner.query(`CREATE INDEX "IDX_renote_muting_muteeId" ON "muting" ("muteeId") `);
+        await queryRunner.query(`CREATE INDEX "IDX_renote_muting_createdAt" ON "muting" ("createdAt") `);
+        await queryRunner.query(`CREATE INDEX "IDX_2cd3b2a6b4cf0b910b260afe08" ON "instance" ("firstRetrievedAt") `);
+    }
+}
diff --git a/packages/backend/src/models/entities/Meta.ts b/packages/backend/src/models/entities/Meta.ts
index bf05e2dd91..a81defae0f 100644
--- a/packages/backend/src/models/entities/Meta.ts
+++ b/packages/backend/src/models/entities/Meta.ts
@@ -126,7 +126,7 @@ export class Meta {
 	public infoImageUrl: string | null;
 
 	@Column('boolean', {
-		default: true,
+		default: false,
 	})
 	public cacheRemoteFiles: boolean;
 
diff --git a/packages/frontend/src/pages/admin/settings.vue b/packages/frontend/src/pages/admin/settings.vue
index 81ef32ac06..d667eb540f 100644
--- a/packages/frontend/src/pages/admin/settings.vue
+++ b/packages/frontend/src/pages/admin/settings.vue
@@ -40,7 +40,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 						<div class="_gaps_m">
 							<MkSwitch v-model="cacheRemoteFiles">
 								<template #label>{{ i18n.ts.cacheRemoteFiles }}</template>
-								<template #caption>{{ i18n.ts.cacheRemoteFilesDescription }}</template>
+								<template #caption>{{ i18n.ts.cacheRemoteFilesDescription }}{{ i18n.ts.youCanCleanRemoteFilesCache }}</template>
 							</MkSwitch>
 
 							<template v-if="cacheRemoteFiles">