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I need get a website using Curl but the server does not respond the SSL connection and Curl says an error on the 2 minutes but the server respond in the minute ~5. I try to use the timeout argument but the arguments works only for the HTTP response, not for SSL connection, my command is:

time curl --max-time 300 --connect-timeout 300 \ https://certificacioninternacional.mijp.gob.ve/paginas/CU_registrarUsuario/;

Response:

curl: (28) Failed to connect to certificacioninternacional.mijp.gob.ve port 443 after 134660 ms: Couldn't connect to server real 2m14.665s user 0m0.003s sys 0m0.007s

In the Wireshark the syn tcp request is not respond with the ack, but if wait ~5 minutes the server respond in fewer times.

Image capture

I try read the local os setting using:

cat /proc/sys/net/ipv4/tcp_syn_retries 6

But in the Wireshark I see 10 times.

How to await to server response ack before Curl timeout without a time limit without develop a low level app? With Node.JS and Python have same problem but in Google Chrome works.

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    This website an intranet website? Website absolutely doesn’t return any response with a browser Commented Nov 22, 2024 at 1:37
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    If use http to send form server says an error and redirect to https, but the get request return a 403, but the post return a 200, for normal get requests need a http connection but the post works only with https. The browser load website 1 or 2 times per day aprox, i try made a bot for wait the connection multiple times but have the timeout problem and sync retries. Commented Nov 22, 2024 at 2:36

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