Networkexit code > 0

curl: (35) OpenSSL SSL_connect: SSL_ERROR_SYSCALL

$curl: (35) OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to example.com:443

Analysis

The SSL handshake failed abruptly, often due to a firewall blocking the handshake or a proxy issue.

Common Triggers

  • Corporate firewall inspection.
  • Proxy misconfiguration.
  • Server killing connection.

Debug Checks

  • $Try with -v (verbose).
  • $Check proxy settings.

Resolution

1
Configure proxy.
2
Bypass firewall.