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You can intercept non-whitelisted network requests during the game startup phase to avoid unnecessary update checks and other factors that slow down startup speed.

Reference: NonUpdate Reloaded

Features

• 🚫 Block non-whitelisted network requests during startup
• ⚡ Accelerate game startup speed
• 📋 Flexible whitelist config system
• 📝 Optional interception log recording
• 🔧 Configurable invalid proxy ports (used to block connections), randomly generated on first startup

Config

Config file location

config/nointernet.json (automatically created on first startup)

Default Config

{
  “whitelist”: [
    “$emojang.com”,
    “$eminecraft.net”,
    “$ctoriifind.json”,
    “$clynn.json”
  ],
  “logBlockedRequests”: true,
  “blockPort”: -1
}

Notes:

• Upon first startup, blockPort will be randomly generated between 20000–65535 (inclusive) and written to the configuration.
• You can also manually modify it to any valid port between 1–65535; if an invalid value is entered, it will be automatically regenerated and written back upon the next startup.
• The toriifind.json and lynn.json files are required by my other mod “ToriiFind”; if you don't need them, you can delete them.

Configuration Item Description

How to add URLs to the whitelist

Multiple matching methods are supported, specified by prefix:

Matching Methods

Matching Rules

• Matching checks the entire URL (domain + path + parameters)
• Interception will automatically stop after entering the main interface (TitleScreen)
• When the configuration file is invalid (missing whitelist), to avoid false positives, all requests will be allowed
• Intercepted requests will be redirected to an invalid proxy at localhost:blockPort for quick failure, avoiding prolonged timeouts

可以在游戏启动阶段拦截非白名单的网络请求，避免不必要的更新检查等拖慢启动速度。

参考自 NonUpdate Reloaded

功能

• 🚫 拦截启动阶段的非白名单网络请求
• ⚡ 加快游戏启动速度
• 📋 灵活的白名单配置系统
• 📝 可选的拦截日志记录
• 🔧 可配置的无效代理端口（用于阻断连接），首次启动会随机生成

配置

配置文件位置

config/nointernet.json（首次启动自动创建）

默认配置

{
  "whitelist": [
    "$emojang.com",
    "$eminecraft.net",
    "$ctoriifind.json",
    "$clynn.json"
  ],
  "logBlockedRequests": true,
  "blockPort": -1
}

说明：

• 首次启动会在 20000–65535（含）之间随机生成 blockPort 并写入配置。
• 你也可以手动修改为任意 1–65535 的有效端口；若填写无效值，下一次启动会自动重新随机生成并写回。
• 其中的 toriifind.json 和 lynn.json 是我的另一个 Mod "ToriiFind" 需要的，你如果用不到，可以将其删除。

配置项说明

如何添加网址到白名单

支持多种匹配方式，通过前缀指定：

匹配方式

匹配与拦截规则

• 匹配会检查完整的 URL（域名 + 路径 + 参数）
• 进入主界面（TitleScreen）后，拦截将自动停止
• 当配置文件无效（缺少 whitelist）时，为避免误伤，所有请求将被允许
• 被拦截的请求将被重定向到 localhost:blockPort 的无效代理以快速失败，避免长时间超时