> For the complete documentation index, see [llms.txt](https://doc.9http.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.9http.com/en/proxies/unlimited-residential-proxies/ports/user-and-pass-auth.md).

# User & Pass auth

### Account & Password Authentication

This guide provides the basic information and operating procedure needed to access the **9HTTP Unlimited Residential Proxy (Port)** service via **account/password authentication**.

### **Steps**

{% stepper %}
{% step %}

### **Register and Log In**

Visit the [9HTTP official website](https://www.9http.com/), complete account registration, and log in.

<figure><img src="https://693799640-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUHl75DulbmsnHqecw7af%2Fuploads%2Fl8hAkkzDMiuwLE2Ak1jo%2Fimage.png?alt=media&amp;token=692203f6-370f-4d73-8237-fa9884f5b7b6" alt=""><figcaption></figcaption></figure>

<figure><img src="https://693799640-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUHl75DulbmsnHqecw7af%2Fuploads%2FR1uS3B1H5StrjgCrzwVw%2Fimage.png?alt=media&amp;token=a7aa9b61-f385-431a-943f-504b1211c558" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}

### **Purchase a Plan**

After entering the dashboard, navigate to **Unlimited Residential Proxy → Port → Buy**, choose a plan that fits your business needs, and complete payment to activate the service.

<figure><img src="https://693799640-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUHl75DulbmsnHqecw7af%2Fuploads%2FYphNsj2QnFk1cORekxkB%2Fimage.png?alt=media&amp;token=15fe6381-8878-43ed-8071-0583e7763899" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}

### **Account/Password Mode**

After purchasing the **Unlimited Residential Proxy (Port)**, you can **edit/batch-configure ports** using **Account/Password Mode**.

<figure><img src="https://693799640-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUHl75DulbmsnHqecw7af%2Fuploads%2F0y92eKgAMIueIcNifgo8%2Fimage.png?alt=media&amp;token=98b1991d-8e21-409d-a256-2d0b3b3f2053" alt=""><figcaption></figcaption></figure>

Re-edit the authentication credentials — **username and password** — and configure **country/region** and **rotation interval**, then click **Save Changes**.

<figure><img src="https://693799640-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FUHl75DulbmsnHqecw7af%2Fuploads%2FJnN3Hmb19Fgrh8rm82FD%2Fimage.png?alt=media&amp;token=7efbd19b-d79b-4ec9-91cf-2abd18c98c4b" alt=""><figcaption></figcaption></figure>
{% endstep %}
{% endstepper %}