cURL Errors

cURL Errors 53 — CURLE_SSL_ENGINE_NOTFOUND

In cURL Errors, code 53 is CURLE_SSL_ENGINE_NOTFOUND. The official source describes it as “Ssl Engine Notfound”. Its concrete cause depends on the operation and surrounding message.

Code53
SymbolCURLE_SSL_ENGINE_NOTFOUND
Source confidencehigh

Official definition

Ssl Engine Notfound

In plain language

In cURL Errors, code 53 is CURLE_SSL_ENGINE_NOTFOUND. The official source describes it as “Ssl Engine Notfound”. Its concrete cause depends on the operation and surrounding message.

Context to inspect

  • The surrounding operation, version and subsystem determine the actual cause.
  • The same numeric value can mean something different in another namespace.

Safe first checks

  1. Confirm which product, protocol or subsystem produced the code.
  2. Read the full surrounding error message and inspect relevant logs.
  3. Compare the code with the linked authoritative documentation before changing configuration.

Important context

The surrounding operation, version and subsystem determine the actual cause.

Authoritative source

curl/libcurl — Error Codes

Related codes