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slybloty
Asked: 2024-07-25 06:18:58 +0800 CST

Cisco AnyConnect VPN 因非法或不受支持的版本而失败

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我正在尝试从 Fedora 40 客户端连接到Cisco AnyConnect VPN。我尝试使用 GUI（那里有很多操作指南）和终端通过OpenConnect建立此连接，但失败了：

SSL connection failure: A packet with illegal or unsupported version was received.
Failed to open HTTPS connection to vpn.vpn.vpn

这是实际的连接尝试：

$ openconnect vpn.vpn.vpn 
POST https://vpn.vpn.vpn/
Connected to 0.0.0.0:443
SSL negotiation with vpn.vpn.vpn
SSL connection failure: A packet with illegal or unsupported version was received.
Failed to open HTTPS connection to vpn.vpn.vpn
Failed to complete authentication
fedora

1 个回答

  1. Best Answer

    看来 VPN 服务器端可能使用了一些旧的和已弃用的密码。因此，对我有用的解决方案是允许使用旧密码：

    sudo update-crypto-policies --set LEGACY

    接下来，我建立了连接：

    Connected to HTTPS on vpn.vpn.vpn with ciphersuite (TLS1.0)-(DHE-CUSTOM1024)-(AES-256-CBC)-(SHA1)
    • 1

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