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---
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icon: edit
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date: 2023-02-14
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category:
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- 系统配置
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- 内网穿透
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headerDepth: 5
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---
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# PPTP/L2TP内外网VPN映射端口及协议
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```
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PPTP需开放端口：
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UDP:1723
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L2TP需开放端口：
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UDP:500
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UDP:4500
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UDP:1701
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注意：端口映射时应该将协议设置为UDP，否则无法生效
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```
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