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Re: proxy resolution failure

From: Daniel Stenberg <>
Date: Tue, 19 Feb 2013 00:10:43 +0100 (CET)

On Mon, 18 Feb 2013, CP, Ambika wrote:

> And curl_easy_perform() with the error CURLE_COULDNT_RESOLVE_PROXY (5)
> Later when I connect back the network cable, ideally the next retry should
> be successful. But, it continues to fail with same above error. I was using
> curl-7.19.6 and upgraded to curl-7.28.1 but issue still occurs.

When you connect the network again, is the DNS server still present on the
same IP as before or does it change?

Can you figure out with strace and/or network snooping what is or isn't happen
correctly at that point?

I assume this is libcurl built to use the default synchronous resolver

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Received on 2013-02-19