> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/zh/active-directory/kerberos/general-kerberos-flow.md).

# Kerberos 总体流程

### 第1步 — AS-REQ

当用户登录时，其客户端会向 KDC 发送请求：

```bash
AS-REQ
```

此请求对应于初始身份验证请求。

### 第2步 — AS-REP

如果身份验证有效，KDC 会返回一个响应：

```bash
AS-REP
```

此响应中尤其包含一个 **TGT**，或 **票据授予票据**.

TGT 可以被视为一种通用票据，允许你请求服务票据。

### 第3步 - TGS-REQ

当用户想要访问某个资源，例如网络共享时，他会向 KDC 出示自己的 TGT。

然后客户端发送：

```bash
TGS-REQ
```

此请求用于为特定服务申请票据。

### 第4步 — TGS-REP

KDC 会检查 TGT 并返回一个服务票据：

```bash
TGS-REP
```

此票据专用于所请求的服务。

### 第5步 — 访问资源

客户端将服务票据出示给目标服务器。

例如，要访问：

```bash
//WS01/C$
```

客户端向服务器提交服务票据 `WS01`.

如果票据有效，但用户在共享上没有必要的权限，身份验证可能会成功，但 SMB 访问将被拒绝。


---

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