https 连接适用于 Wifi (wlan)，但不适用于 3G/GPRS (umts)
我觉得这有点奇怪：我将一个工作的 http 连接转移到一个带有自签名证书的 https 连接，遵循 这些说明。当我连接到 WiFi 时，一切正常。但是，3G/GPRS 连接将无法使用。相反，我收到“超时”或“连接被拒绝”异常。
那么有人对此有解释吗？感谢任何帮助，因为时间紧迫。
预先感谢，
斯特夫
I find this kindda strange: I transferred a working http connection into a https connection with a self-signed certificate following these instructions. All works well when I'm connected to WiFi. However, 3G/GPRS connections won't work. Instead, I get a 'timed out' or 'connection refused' exception.
So does anyone have an explanation for this? Any help is appreciated since this is time critical.
Thanks in advance,
steff
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好吧，你们向我指出证书问题是非常正确的。事实上，我简直不敢相信，而且我仍然不清楚它如何在某些设备上通过 WiFi 工作并在 3G 上失败，而在其他设备上工作，即使所有设备都在同一运营商上。
不管怎样，我的大学验证了证书，我不敢相信它真的有效。太感谢了。如果没有你，我想我会失去它......
问候，
斯特夫
Alright, you guys were so right in pointing me to the certificate issue. Actually I couldn't believe it and it's still not clear to me how it worked over WiFi and failed over 3G on some devices while working on others even though all being on the same carrier.
Anyhow, my university validated the certificate and i can't believe it's actually working. Thank you so much. Without you I think I would have lost it...
Regards,
steff