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I'm trying to use curl against a remote server to access a REST API (and right now, just the welcome page...) Currently, I have a Java application that can send REST request on this server.

But if I use curl (or wget), I get a timeout.

I believe the fact that a Java app can connect but not cURL would narrow down the problem a little but more. Still, I know there are many many possibilities; I'm just looking for a way to troubleshoot the reason I'm having a timeout (so I can use cURL).

PS: It's https, on the same network, there is a certificate I tried using but it doesn't change anything.

Edit: With --verbose" or "--trace -" I just get :

== Info: About to connect() to myserver.com port 443 (#0)

== Info: Trying xxx.xxx.xxx.xxx...

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  • The --verbose and --trace options can show you what is happening behind the scenes when you use curl. You might also want to check with the --insecure flag to see if it narrows down to a TLS problem.
    – Haxiel
    Commented Feb 12, 2019 at 9:37
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    I wonder if that's a connectivity problem. From the same system, can you try nc -v myserver.com 443 or telnet myserver.com 443 and see if you're able to connect?
    – Haxiel
    Commented Feb 12, 2019 at 10:01
  • Unfortunately they are not installed for the moment, I'll try to install them and comme back with the results. Thank You.
    – Asoub
    Commented Feb 13, 2019 at 10:26

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As I though, it was something pretty simple: the application was configured to use a proxy, and cURL was not (even though both were using the same destination IP).

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