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5eb2f0757e
- add 'mqtt' as a category - add more protocol categories to several options - make --data worded better to also cover MQTT Closes #22447
36 lines
1.1 KiB
Markdown
36 lines
1.1 KiB
Markdown
---
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c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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SPDX-License-Identifier: curl
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Long: ssl
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Help: Try enabling TLS
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Protocols: FTP IMAP POP3 SMTP LDAP
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Added: 7.20.0
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Category: tls imap pop3 smtp ldap ftp
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Multi: boolean
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See-also:
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- ssl-reqd
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- insecure
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- ciphers
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Example:
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- --ssl pop3://example.com/
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---
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# `--ssl`
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Warning: this is considered an insecure option. Consider using --ssl-reqd
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instead to be sure curl upgrades to a secure connection.
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Try to use SSL/TLS for the connection - often referred to as STARTTLS or STLS
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because of the involved commands. Reverts to a non-secure connection if the
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server does not support SSL/TLS. See also --ftp-ssl-control and --ssl-reqd for
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different levels of encryption required.
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This option is handled in LDAP (added in 7.81.0). It is fully supported by the
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OpenLDAP backend and ignored by the generic ldap backend.
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Please note that a server may close the connection if the negotiation fails.
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If set, this option overrides --ftp-ssl-control.
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This option was formerly known as --ftp-ssl (added in 7.11.0). That option
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name can still be used but might be removed in a future version.
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