為了進一步提升內部網絡的安全性並確保網絡資源的合規使用，即日起對網絡防火牆策略進行重要調整。本次更新將針對 IPv6 網絡環境 實施嚴格的流量管控。具體變更如下：
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封鎖範圍： 所有進出網絡（包含入站、出站及轉發）的 IPv6 流量。
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受影響協定：
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網頁瀏覽： HTTP (TCP 80) 及 HTTPS/SSL/TLS (TCP 443)。
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現代傳輸協定： HTTP/3 及 QUIC (UDP 443)。
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代理服務： SOCKS4/5 及其他相關代理協定。
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您的使用體驗：
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即日起，您將無法通過 IPv6 地址訪問網站或建立加密連接。
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設備若嘗試通過 IPv6 進行上述活動，連接將被防火牆自動攔截。
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IPv4 網絡服務將維持正常運作，不受此策略影響。(即正常使用優化方向不受影響)
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此舉旨在防止未經授權的加密流量繞過安全審計，感謝您的理解與配合。如有任何疑問，請聯繫我們。
Please be informed that effective immediately, we are implementing a significant update to our network firewall policies to enhance security and ensure compliance with network usage regulations.
This update introduces strict traffic controls specifically for the IPv6 network environment. Please review the details below:
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Scope of Restriction: All Inbound, Outbound, and Forwarded traffic via IPv6.
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Affected Protocols:
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Web Browsing: HTTP (TCP 80) and HTTPS/SSL/TLS (TCP 443).
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Modern Protocols: HTTP/3 and QUIC (UDP 443).
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Proxy Services: SOCKS4/5 and other related proxy protocols.
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User Impact:
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Access to websites or encrypted connections via IPv6 addresses is now blocked.
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Any connection attempts using these protocols over IPv6 will be automatically dropped by the firewall.
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IPv4 network services remain operational and are unaffected by this policy. (which means optimized routing profile would not be affected if you are using in a correct way.)
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These measures are necessary to prevent unauthorized encrypted traffic from bypassing security audits. We appreciate your understanding and cooperation.
If you encounter any critical issues, please contact us.
