On Thu, 29 Oct 2009, Yuichi Kuroda wrote:

Misleading subject. Your code snippet speaks of curl_easy_perform().

> res = curl_easy_perform(curl);

> The error message I get from this is 'Couldn't connect to host'. Even
> through a simple command line like 'curl 10.0.1.10:1500'would give me a
> connection refused error.

Right, so those are two different connect errors. Why is that relevant?

> Plus it works on some Linux distros

On the same network with the same config you mean?

> Why is it not working (seemingly) on older Linux distros?

Here are some tools that can help you determine what happens:

- wireshark
- tcpdump
- strace

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  / daniel.haxx.se
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