# 端口與服務封鎖

為保障所有客戶之使用品質，與避免濫用、違法事宜發生，本公司主動對下列端口/服務進行封鎖。

### 端口封鎖

* TCP/22 (SSH, Egress Only)
* TCP/23 (Telnet, Egress Only)
* TCP/25 (SMTP, Egress Only)
* TCP/445 (SMB, Egress Only)
* TCP/465 (SMTPS, Egress Only)
* TCP/587 (SMTPS, Egress Only)
* TCP/3389 (RDP, Egress Only)
* TCP/5900 (VNC, Egress Only)

### 服務封鎖

* 台灣政府機構網路 (Government Service Network)
* 台灣學術網路 (TANet) (學術單位、企業客戶預設允許)
* 台灣、海外購物網站
* 台灣、海外金融機構 / Fintech

若您有需要解鎖上述端口、服務，請來信告知理由並提供[保證書](https://drive.google.com/file/d/1ZAWcQe-4KsrJn1xfk3CAYVnpHa3cB4b7/view?usp=sharing)。


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