1*6236dae4SAndroid Build Coastguard Worker--- 2*6236dae4SAndroid Build Coastguard Workerc: Copyright (C) Daniel Stenberg, <[email protected]>, et al. 3*6236dae4SAndroid Build Coastguard WorkerSPDX-License-Identifier: curl 4*6236dae4SAndroid Build Coastguard WorkerLong: ssl 5*6236dae4SAndroid Build Coastguard WorkerHelp: Try enabling TLS 6*6236dae4SAndroid Build Coastguard WorkerProtocols: FTP IMAP POP3 SMTP LDAP 7*6236dae4SAndroid Build Coastguard WorkerAdded: 7.20.0 8*6236dae4SAndroid Build Coastguard WorkerCategory: tls imap pop3 smtp ldap 9*6236dae4SAndroid Build Coastguard WorkerMulti: boolean 10*6236dae4SAndroid Build Coastguard WorkerSee-also: 11*6236dae4SAndroid Build Coastguard Worker - ssl-reqd 12*6236dae4SAndroid Build Coastguard Worker - insecure 13*6236dae4SAndroid Build Coastguard Worker - ciphers 14*6236dae4SAndroid Build Coastguard WorkerExample: 15*6236dae4SAndroid Build Coastguard Worker - --ssl pop3://example.com/ 16*6236dae4SAndroid Build Coastguard Worker--- 17*6236dae4SAndroid Build Coastguard Worker 18*6236dae4SAndroid Build Coastguard Worker# `--ssl` 19*6236dae4SAndroid Build Coastguard Worker 20*6236dae4SAndroid Build Coastguard WorkerWarning: this is considered an insecure option. Consider using --ssl-reqd 21*6236dae4SAndroid Build Coastguard Workerinstead to be sure curl upgrades to a secure connection. 22*6236dae4SAndroid Build Coastguard Worker 23*6236dae4SAndroid Build Coastguard WorkerTry to use SSL/TLS for the connection - often referred to as STARTTLS or STLS 24*6236dae4SAndroid Build Coastguard Workerbecause of the involved commands. Reverts to a non-secure connection if the 25*6236dae4SAndroid Build Coastguard Workerserver does not support SSL/TLS. See also --ftp-ssl-control and --ssl-reqd for 26*6236dae4SAndroid Build Coastguard Workerdifferent levels of encryption required. 27*6236dae4SAndroid Build Coastguard Worker 28*6236dae4SAndroid Build Coastguard WorkerThis option is handled in LDAP (added in 7.81.0). It is fully supported by the 29*6236dae4SAndroid Build Coastguard WorkerOpenLDAP backend and ignored by the generic ldap backend. 30*6236dae4SAndroid Build Coastguard Worker 31*6236dae4SAndroid Build Coastguard WorkerPlease note that a server may close the connection if the negotiation does 32*6236dae4SAndroid Build Coastguard Workernot succeed. 33*6236dae4SAndroid Build Coastguard Worker 34*6236dae4SAndroid Build Coastguard WorkerThis option was formerly known as --ftp-ssl (added in 7.11.0). That option 35*6236dae4SAndroid Build Coastguard Workername can still be used but might be removed in a future version. 36