# HALB

| **ソース** | **宛先**                      | **プロトコル**                    | **ポート**                   | **説明**                                                                  |
| ------- | --------------------------- | ---------------------------- | ------------------------- | ----------------------------------------------------------------------- |
| HALB    | HALB                        | VRRP                         | 112                       | HALB/HALB 間の通信は、アクティブな HALB に対する VIP の自動割り当てに使用されます。                    |
|         | 転送モードの RAS Secure Gateway   | TCP、UDP                      | 80、443                    | 管理およびユーザーセッション接続                                                        |
|         | ノーマルモードの RAS Secure Gateway | <p>TCP、UDP</p><p>TCP、UDP</p> | <p>80、443</p><p>20009</p> | <p>管理およびユーザーセッション接続</p><p>ファイヤウォール経由のデバイスマネージャーのシャドーイング（間接ネットワーク接続）</p> |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.parallels.com/landing/ras-admin-guide/v20-ja-jp/fu-lu/pto/halb.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.