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DNS、系统代理和分流规则逐项排查。文章同时区分内容查看、短时采集与账号登录、指纹浏览器、支付、广告后台等不同场景的处理优先级，提醒先确认本地配置和出口一致性，再决定是否需要更换动态住宅代理IP、静态住宅代理IP或机房代理IP方案。","https:\u002F\u002Fcms.quanqiudaili.com\u002Fuploads\u002Flarge_browserleaks_real_ip_dns_webrtc_leak_cover_cc5802fe5d.webp","2026-06-30T10:05:50.795Z","2026-06-30T10:05:50.774Z","Global Proxies Team",[],false,0,5,"blocks",[24,30,36,40,45,49,53,105,110,114,118,122,126,130,134,138,142,146,150,154,158,195,199,203,207,211,215,219,223,227,231,235,239,243,247,251,255,259,263,267,271],{"type":25,"children":26},"paragraph",[27],{"text":28,"type":29},"BrowserLeaks 看到真实 IP 或 DNS 本地时，先不要直接换代理IP。优先确认公网 IP 是否仍是本机出口，再查 WebRTC、DNS、安全 DNS、系统代理、插件和客户端分流规则。真实 IP 泄露比地区库偏差更严重，账号登录和指纹浏览器任务要先排干净再继续测试。","text",{"type":31,"level":32,"children":33},"heading",2,[34],{"text":35,"type":29},"代理IP泄露是不是指真实 IP、DNS 或 WebRTC 没走代理IP",{"type":25,"children":37},[38],{"text":39,"type":29},"网页能打开、不代表代理IP真的全程生效。采购前要把代理IP泄露看成链路未走全：网页请求走了代理IP，但 WebRTC、DNS、系统代理、浏览器插件或指纹浏览器 profile 里，至少有一层还在走本地。做地区验证、长期登录或店铺后台时，先查真实 IP、DNS 地区、会话是否连续一致；如果只换代理IP、不统一本地代理层级，常见结果就是地区跳变、验证码变多，最后把配置问题误判成服务商问题。",{"type":41,"children":42},"code",[43],{"text":44,"type":29},"| BrowserLeaks 异常项 | 常见含义 | 优先排查 |\n| --- | --- | --- |\n| 公网 IP 仍是本机 | 代理没有真正接管请求 | 客户端开关、系统代理、插件作用范围 |\n| WebRTC 暴露真实 IP | 浏览器侧绕过代理 | WebRTC 策略、指纹浏览器 profile |\n| DNS 显示本地 | 解析链路没有跟随代理 | 安全 DNS、系统 DNS、客户端 DNS |\n| 只有部分请求异常 | 分流规则或插件范围不一致 | 全局\u002F规则模式、目标域名策略 |",{"type":31,"level":32,"children":46},[47],{"text":48,"type":29},"BrowserLeaks 为什么会看到真实 IP",{"type":25,"children":50},[51],{"text":52,"type":29},"只要 BrowserLeaks 还能看到真实 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代理设置后网页打不开怎么办](https:\u002F\u002Fwww.quanqiudaili.com\u002Fblog\u002Fshadowrocket-proxy-not-working)里的排查项；不然很容易把本地规则问题误判成代理泄露。",{"type":31,"level":106,"children":131},[132],{"text":133,"type":29},"浏览器插件能连上，不代表整条链路一致",{"type":25,"children":135},[136],{"text":137,"type":29},"只装浏览器插件，往往只接管浏览器流量，不一定覆盖系统 DNS、其他应用或 WebRTC。若系统代理、客户端和插件同时开启，先保留一条链路做对照测试；多层代理互相覆盖时，最常见的后果不是不能访问，而是地区偶尔命中、会话持续不稳。",{"type":31,"level":32,"children":139},[140],{"text":141,"type":29},"DNS 显示本地是否一定有问题",{"type":25,"children":143},[144],{"text":145,"type":29},"做内容查看、公开页访问或短时采集时，DNS 显示本地不一定代表代理IP不可用；只要真实 IP 没泄露、目标站点能稳定返回，很多任务仍可继续测。\n但换到账号登录、支付、广告后台、指纹浏览器这类看重地区一致性的场景，DNS 与出口 IP 不一致，常见过程是先出现地区识别偏差，再增加验证码，随后触发二次验证、登录中断，最后把风控抬高。这里不该只看“能不能打开”，要一起看地区命中、验证码频率、会话稳定性和长时间登录是否掉线。\n采购前更值得问服务商两件事：能不能协助定位 DNS 走向；出了地区不一致，问题在本地配置还是代理IP链路。否则你换成动态住宅代理IP、静态住宅代理IP或机房代理IP，测试结果都可能失真。",{"type":31,"level":32,"children":147},[148],{"text":149,"type":29},"BrowserLeaks 看到真实 IP 或本地 DNS 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类型不对，而是只有部分流量走代理。多人共用出口、地区跳变或会话中断后，验证码会先变多，再出现二次验证和登录异常。",{"type":31,"level":106,"children":248},[249],{"text":250,"type":29},"什么时候该怀疑系统代理被别的软件覆盖",{"type":25,"children":252},[253],{"text":254,"type":29},"BrowserLeaks 结果时好时坏、同一浏览器前后地区不一致时，就该回头查系统代理。先停掉其他代理客户端，只保留一条链路复测，否则换更贵的代理IP也没意义。",{"type":31,"level":106,"children":256},[257],{"text":258,"type":29},"DNS 本地就一定要更换代理IP方案吗",{"type":25,"children":260},[261],{"text":262,"type":29},"不一定。先判断是浏览器安全 DNS、系统 DNS，还是客户端 DNS 导致；配置问题修不好，改用动态住宅代理IP、静态住宅代理IP或机房代理IP，结果仍可能失真。",{"type":25,"children":264},[265],{"text":266,"type":29},"---",{"type":25,"children":268},[269],{"text":270,"type":29},"最后先把真实 IP、DNS、WebRTC 和分流规则排干净，再判断是本地配置问题还是代理IP方案问题。只有这些结果都一致后，比较动态住宅代理IP、静态住宅代理IP或机房代理IP资源才有参考价值。",{"type":25,"children":272},[273],{"text":104,"type":29},[275,390,496],{"source":6,"id":276,"documentId":277,"translationKey":277,"locale":9,"slug":278,"path":279,"_path":279,"title":280,"description":281,"excerpt":281,"image":282,"publishedAt":283,"updatedAt":284,"author":17,"tags":285,"featured":19,"sortOrder":20,"readingTime":286,"bodyType":22,"bodyBlocks":287,"bodyHtml":104},2133,"mxzjklqnw9bjlkwm3k4xwspl","ping-proxy-proxy-ip-guide","\u002Fblog\u002Fping-proxy-proxy-ip-guide","端口能 ping 通但代理不能用，是不是协议填错了？","主机能 ping 通不代表代理 IP 可用。通过 TCP 端口测试、HTTP\u002FHTTPS\u002FSOCKS5 协议核对、认证结果和目标网站对照，逐层定位连接失败原因。","https:\u002F\u002Fcms.quanqiudaili.com\u002Fuploads\u002Flarge_ping_cover_1_bbcb1574f4.webp","2026-08-20T09:26:43.967Z","2026-08-20T09:26:43.947Z",[],1,[288,292,296,300,304,308,312,316,320,324,328,332,336,340,343,347,351,355,359,363,367,371,375,378,382,386],{"type":25,"children":289},[290],{"text":291,"type":29},"协议填错是常见原因，但 ping 通并不能证明代理可用。ping 使用 ICMP，只能说明主机可能响应；代理还要通过指定 TCP 端口完成协议握手和认证。",{"type":25,"children":293},[294],{"text":295,"type":29},"严格来说，ping 通的是主机，不是端口。TCP 端口可达也只说明连接能够建立，仍需继续验证协议、认证和实际代理请求。",{"type":31,"level":32,"children":297},[298],{"text":299,"type":29},"主机能 ping 通后，怎么测试 TCP 端口？",{"type":25,"children":301},[302],{"text":303,"type":29},"使用系统或客户端的 TCP 连接测试确认主机和端口可达。端口不通时，先查本地网络、防火墙、主机和端口；不要直接修改账号密码或判断代理 IP 已失效。",{"type":31,"level":32,"children":305},[306],{"text":307,"type":29},"HTTP、HTTPS、SOCKS5 协议和字段怎么核对？",{"type":25,"children":309},[310],{"text":311,"type":29},"确认产品提供的是 HTTP、HTTPS 还是 SOCKS5，并在客户端选择对应协议。主机、端口、用户名和密码分别填写，不能把 `IP:端口`、API 链接或完整 URL 当成同一个字段。具体以产品和客户端字段说明为准。",{"type":25,"children":313},[314],{"text":315,"type":29},"代理协议与目标网址协议不是同一概念。访问 HTTPS 网站并不代表代理入口一定要选择 HTTPS；客户端仍要按产品提供的 HTTP、HTTPS 或 SOCKS5 接入方式完成握手，再处理目标网站的 HTTPS 连接。",{"type":31,"level":32,"children":317},[318],{"text":319,"type":29},"从 TCP 端口到目标网站怎么逐层复测？",{"type":25,"children":321},[322],{"text":323,"type":29},"1. 用正确协议建立代理连接。\n2. 填写用户名和密码，观察是否返回 407。\n3. 请求出口检测页，确认出口 IP 是否变化。\n4. 再访问目标网站，记录状态码、超时和页面结果。",{"type":25,"children":325},[326],{"text":327,"type":29},"如果客户端支持，可用同一组参数在 curl 或另一代理工具中复测。第二个工具成功时，优先检查原客户端的协议选择、字段映射和接管范围。",{"type":41,"children":329},[330],{"text":331,"type":29},"| 现象 | 优先检查 | 说明 |\n|---|---|---|\n| TCP 端口拒绝连接或超时 | 网络、主机、端口 | 尚未进入协议握手和认证 |\n| TCP 端口通但返回 407 | 用户名、密码和认证方式 | 连接已建立，认证失败 |\n| TCP 端口通但出现 TLS 错误 | 协议、CONNECT、客户端实现 | 端口可达但握手未完成 |\n| 出口 IP 未变化 | 客户端代理入口 | 请求可能绕过了代理 |\n| 出口已变化但返回 403\u002F429 | 请求特征、频率、目标站规则 | 不一定是协议错误 |",{"type":31,"level":32,"children":333},[334],{"text":335,"type":29},"什么时候更换代理 IP",{"type":25,"children":337},[338],{"text":339,"type":29},"只有主机、端口、协议、认证和出口都确认无误，且多个目标网址持续失败时，才考虑更换同地区代理 IP。单一网站或单一账号异常，应先查目标站规则和账号环境。",{"type":31,"level":32,"children":341},[342],{"text":230,"type":29},{"type":31,"level":106,"children":344},[345],{"text":346,"type":29},"ping 不通时，代理一定不能用吗？",{"type":25,"children":348},[349],{"text":350,"type":29},"不一定。服务器或网络可能禁止 ICMP 响应，但代理 TCP 端口仍可连接；应以端口测试和实际代理请求结果为准。",{"type":31,"level":106,"children":352},[353],{"text":354,"type":29},"HTTP、HTTPS 和 SOCKS5 可以随便选吗？",{"type":25,"children":356},[357],{"text":358,"type":29},"不可以。应按产品提供的接入协议和客户端字段选择，协议与端口不能凭名称猜测。",{"type":31,"level":106,"children":360},[361],{"text":362,"type":29},"返回 407 需要换 IP 吗？",{"type":25,"children":364},[365],{"text":366,"type":29},"通常不需要。407 优先指向认证失败，应先核对用户名、密码和认证方式。",{"type":31,"level":106,"children":368},[369],{"text":370,"type":29},"如何确认不是目标网站的问题？",{"type":25,"children":372},[373],{"text":374,"type":29},"用同一代理访问出口检测页和至少一个普通网站。只有某个目标站失败时，继续查该站的地区规则或账号状态。",{"type":25,"children":376},[377],{"text":266,"type":29},{"type":31,"level":32,"children":379},[380],{"text":381,"type":29},"ping 通但代理不能用时，应该按什么顺序排查？",{"type":25,"children":383},[384],{"text":385,"type":29},"速查顺序：TCP 端口 → 协议 → 认证 → 出口 IP → 目标网站。",{"type":25,"children":387},[388],{"text":389,"type":29},"仍无法定位时，带上主机、端口、协议、完整错误码和测试截图，通过[全球代理首页](https:\u002F\u002Fwww.quanqiudaili.com\u002F)咨询；不要公开发送完整密码。",{"source":6,"id":391,"documentId":392,"translationKey":392,"locale":9,"slug":393,"path":394,"_path":394,"title":395,"description":396,"excerpt":396,"image":397,"publishedAt":398,"updatedAt":399,"author":17,"tags":400,"featured":19,"sortOrder":20,"readingTime":286,"bodyType":22,"bodyBlocks":401,"bodyHtml":104},2132,"n4e0v2bagwqgcxp1on7axb1m","proxy-account-failed","\u002Fblog\u002Fproxy-account-failed","代理账号密码认证失败：大小写、过期和权限怎么查？","代理账号密码认证失败时，先区分 407 与端口超时，再检查大小写、空格、特殊字符、套餐有效期、流量余额、权限和客户端字段映射，减少无效更换代理 IP。","https:\u002F\u002Fcms.quanqiudaili.com\u002Fuploads\u002Flarge_cover_1_bbbf896121.webp","2026-08-20T09:26:24.470Z","2026-08-20T09:26:24.456Z",[],[402,406,410,414,418,422,426,430,434,438,442,446,449,453,457,461,465,469,473,477,481,485,488,492],{"type":25,"children":403},[404],{"text":405,"type":29},"代理账号密码认证失败时，先判断是否已经连接到代理入口。能连接但返回 407，优先检查用户名、密码和认证方式；连主机和端口都失败，则先查网络、主机和端口，不要反复修改密码。",{"type":31,"level":32,"children":407},[408],{"text":409,"type":29},"账号密码是否存在空格、大小写或特殊字符错误？",{"type":25,"children":411},[412],{"text":413,"type":29},"手动重新复制用户名和密码，去掉首尾空格，确认大小写、连字符和特殊字符没有变化。不要把带引号、带空格或整段代理链接直接粘贴到只接受用户名和密码的字段中。",{"type":31,"level":32,"children":415},[416],{"text":417,"type":29},"账号是否过期、流量用完或填错产品入口？",{"type":25,"children":419},[420],{"text":421,"type":29},"确认凭据属于当前代理产品、国家或地区和代理入口，并检查套餐有效期、流量余额、并发限制及子账号状态。不同产品的账号不能混用。",{"type":31,"level":32,"children":423},[424],{"text":425,"type":29},"407、端口超时和认证弹窗分别说明什么？",{"type":41,"children":427},[428],{"text":429,"type":29},"| 现象 | 优先检查 | 结论 |\n|---|---|---|\n| 返回 407 | 用户名、密码、认证方式 | 已到达代理入口，但认证未通过 |\n| 端口连接超时 | 网络、主机、端口 | 认证尚未开始，先查连接 |\n| 反复出现认证弹窗 | 凭据保存、字段映射、旧缓存 | 删除旧凭据后手动重填 |\n| 只有某个客户端失败 | 字段映射、协议和编码 | 代理资源未必失效 |\n| 账号突然失效 | 有效期、余额、权限和子账号 | 需核对资源状态 |",{"type":31,"level":32,"children":431},[432],{"text":433,"type":29},"代理认证失败应该按什么顺序复测？",{"type":25,"children":435},[436],{"text":437,"type":29},"1. 用同一主机、端口和协议手动填写用户名与密码。\n2. 在最小客户端中请求出口检测页，记录完整错误码。\n3. 用第二个客户端复测，但不要同时更换网络和代理参数。\n4. 仍返回 407 时，保存时间、产品、入口和截图，联系服务商核对账号状态。",{"type":25,"children":439},[440],{"text":441,"type":29},"脱敏复测记录示例：`2026-08-19 10:30`，入口 `proxy.example.com:PORT`，协议 `HTTP`，用户名 `user_***`，密码不记录；结果为 `407 Proxy Authentication Required`。随后按上表核对凭据、认证方式和账号状态。",{"type":25,"children":443},[444],{"text":445,"type":29},"能看到出口 IP 变化，只能证明代理接入成功，不代表目标网站一定放行；验证码、账号审核和站点权限仍需单独判断。",{"type":31,"level":32,"children":447},[448],{"text":230,"type":29},{"type":31,"level":106,"children":450},[451],{"text":452,"type":29},"大小写真的会导致认证失败吗？",{"type":25,"children":454},[455],{"text":456,"type":29},"会。用户名和密码应按服务端记录原样填写，尤其要注意大写字母、数字和特殊字符。",{"type":31,"level":106,"children":458},[459],{"text":460,"type":29},"返回 407 是端口问题吗？",{"type":25,"children":462},[463],{"text":464,"type":29},"通常不是。407 表示代理入口要求认证或认证未通过；端口完全不通时一般表现为超时或连接拒绝。",{"type":31,"level":106,"children":466},[467],{"text":468,"type":29},"什么时候需要更换代理 IP？",{"type":25,"children":470},[471],{"text":472,"type":29},"先确认账号、网络、主机、端口和协议都正确。只有同一目标站持续异常，才考虑更换同地区代理 IP。",{"type":31,"level":106,"children":474},[475],{"text":476,"type":29},"复测需要准备哪些信息？",{"type":25,"children":478},[479],{"text":480,"type":29},"准备目标站、代理主机和端口、协议、错误码、测试时间、客户端名称及截图，不要在公开渠道发送完整密码。",{"type":25,"children":482},[483],{"text":484,"type":29},"可通过[全球代理 FAQ](https:\u002F\u002Fhelp.quanqiudaili.com\u002Fdocs\u002FFaq\u002F)核对认证问题；提交截图前应遮盖完整用户名、密码和其他敏感字段。",{"type":25,"children":486},[487],{"text":266,"type":29},{"type":31,"level":32,"children":489},[490],{"text":491,"type":29},"代理账号密码认证失败时应该先查什么？",{"type":25,"children":493},[494],{"text":495,"type":29},"认证失败的排查顺序是：连接是否建立 → 用户名密码格式 → 有效期和权限 → 产品入口 → 客户端差异。按层验证，比连续更换代理 IP 更容易定位原因。",{"source":6,"id":497,"documentId":498,"translationKey":498,"locale":9,"slug":499,"path":500,"_path":500,"title":501,"description":502,"excerpt":502,"image":503,"publishedAt":504,"updatedAt":505,"author":17,"tags":506,"featured":19,"sortOrder":20,"readingTime":286,"bodyType":22,"bodyBlocks":507,"bodyHtml":104},2131,"n4l1chpa5wvtn6pa1aha8w7u","proxy-check-captcha","\u002Fblog\u002Fproxy-check-captcha","代理 IP 检测通过但平台要求验证码，下一步查什么？","代理 IP 检测通过后平台仍要求验证码，不一定是 IP 失效。检查触发阶段、地区与时区、DNS、WebRTC、账号历史和操作节奏，区分环境异常与平台风控。","https:\u002F\u002Fcms.quanqiudaili.com\u002Fuploads\u002Flarge_ip_cover_1_5d15eb91e2.webp","2026-08-20T09:26:07.258Z","2026-08-20T09:26:07.246Z",[],[508,512,516,520,524,528,532,536,540,544,548,552,556,559,563,567,571,575,579,583,587,591,594,597],{"type":25,"children":509},[510],{"text":511,"type":29},"代理检测通过只证明基础连通和出口可见，不代表平台会放行当前操作。代理 IP 只能改变网络出口，不能清除账号历史，也不能单独保证验证码消失；验证码还可能由设备环境、Cookie、地区一致性和行为节奏触发。",{"type":31,"level":32,"children":513},[514],{"text":515,"type":29},"验证码是在打开页面、登录还是连续操作后出现？",{"type":25,"children":517},[518],{"text":519,"type":29},"区分一打开页面、登录、切换账号、提交表单、发布内容和连续操作后等阶段。固定账号、设备、Cookie、语言、时区和出口，记录时间、页面、错误提示和是否重定向。一次只改一个变量，才知道结果是否真的改善。",{"type":31,"level":32,"children":521},[522],{"text":523,"type":29},"IP 地区、时区、语言、DNS 和 WebRTC 是否一致？",{"type":25,"children":525},[526],{"text":527,"type":29},"核对代理出口国家与设备时区、语言、浏览器地区、DNS 和 WebRTC 是否明显冲突。检测页显示的国家只是一个参考，还要观察目标站实际呈现的语言、币种、地区内容和登录入口。",{"type":25,"children":529},[530],{"text":531,"type":29},"还要把 IP、设备指纹、账号历史、内容质量和平台政策分开记录，避免一次改动多个变量后无法判断真正的触发因素。",{"type":31,"level":32,"children":533},[534],{"text":535,"type":29},"验证码来自代理环境还是账号行为？",{"type":25,"children":537},[538],{"text":539,"type":29},"一打开页面就验证、地区识别错误或换出口后明显改善，偏向环境问题；环境都一致，但操作一段时间后才出现验证码，可能与账号历史、操作频率或内容重复有关。",{"type":41,"children":541},[542],{"text":543,"type":29},"| 现象 | 优先检查 | 建议 |\n|---|---|---|\n| 登录立即要求验证码 | IP 地区、账号历史、设备环境 | 固定环境，保存错误信息 |\n| 操作一段时间后出现 | 频率、内容和账号行为 | 降低频率，检查账号状态 |\n| 只有一个账号异常 | 账号和 Cookie | 不要同时更换所有变量 |\n| 所有测试账号都出现验证码 | 出口、客户端和目标站规则 | 先做同地区对照测试 |\n| 更换地区后结果改善 | 地区一致性或出口差异 | 固定地区再复测，不作效果承诺 |",{"type":31,"level":32,"children":545},[546],{"text":547,"type":29},"什么时候考虑更换代理 IP",{"type":25,"children":549},[550],{"text":551,"type":29},"先确认协议、端口、认证和出口地区正确；如果多个账号和目标页面都持续异常，再考虑更换同地区代理 IP。长期登录场景更重视地区一致性和会话连续性，通常应优先评估静态住宅代理 IP；动态住宅代理 IP 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