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[quote="Crmado"]Using [m]session.open()[/m] in C# does not display related messages during execution. It can be found in the log that there is a request for consent during execution. If [m]SessionOptions.GiveUpSecurityAndAcceptAnyTlsHostCertificate = true;[/m] or [m]SessionOptions.TlsHostCertificateFingerprint;[/m] The reason is that the certificate is not approved or the certificate is not specified, but I need the user to agree to the certificate. What should I do to get the message when the [m]session.open();[/m] is executed.

The following is the log content：
[code]
[2021-12-10 12:49:09.675] [0001]     Read node 3: Element session
[2021-12-10 12:49:09.675] [0001]     Log contents has not changed
[2021-12-10 12:49:09.675] [0001]   SessionLogReader.Read leaving
[2021-12-10 12:49:09.676] [0001]   SessionLogReader.Read entering
[2021-12-10 12:49:09.677] [0001]     Waiting for log update and dispatching events for 50
[2021-12-10 12:49:09.677] [0001]     Output: [SHA-256: 29:d7:a9:10:f9:40:fc:23:74:8d:d1:68:86:a6:c5:d7:a6:d4:04:9d:8b:3f:4c:3f:6b:a5:d9:4e:bc:e8:ee:30]
[2021-12-10 12:49:09.677] [0001]     Output: [SHA-1: 07:20:c0:c9:b3:6d:8a:3c:12:b8:d8:0a:71:e0:d7:85:bd:99:67:a2]
[2021-12-10 12:49:09.677] [0001]     Output: [winscp> option batch on]
[2021-12-10 12:49:09.677] [0001]     Output: [batch           on        ]
[2021-12-10 12:49:09.677] [0001]     Output: [reconnecttime   120       ]
[2021-12-10 12:49:09.677] [0001]     Output: [winscp> option confirm off]
[2021-12-10 12:49:09.677] [0001]     Output: [confirm         off       ]
[2021-12-10 12:49:09.677] [0001]     Output: [winscp> option reconnecttime 120]
[2021-12-10 12:49:09.677] [0001]     Output: [reconnecttime   120       ]
[2021-12-10 12:49:09.677] [0001]     Output: [winscp> open "ftp://anonymous:***@xxx.xxx.xxx.xxx:21" -explicit -passive=0 -timeout=60]
[2021-12-10 12:49:09.677] [0001]     Output: [Connecting to xxx.xxx.xxx.xxx ...]
[2021-12-10 12:49:09.677] [0001]     Output: [The server's certificate is not known. You have no guarantee that the server is the computer you think it is.]
[2021-12-10 12:49:09.677] [0001]     Output: [Server's certificate details follow:]
[2021-12-10 12:49:09.677] [0001]     Output: [Issuer:]
[2021-12-10 12:49:09.677] [0001]     Output: [- Organization: asd, asd, *.nuu.edu.tw, asd]
[2021-12-10 12:49:09.677] [0001]     Output: [- Location: TW, asd, asd]
[2021-12-10 12:49:09.677] [0001]     Output: [Subject:]
[2021-12-10 12:49:09.677] [0001]     Output: [- Organization: asd, asd, *.nuu.edu.tw, asd]
[2021-12-10 12:49:09.677] [0001]     Output: [- Location: TW, asd, asd]
[2021-12-10 12:49:09.677] [0001]     Output: [Valid: 2021/12/9 上午 02:00:24 - 2022/12/9 上午 02:00:24]
[2021-12-10 12:49:09.677] [0001]     Output: [Fingerprints:]
[2021-12-10 12:49:09.677] [0001]     Output: [- SHA-256: 29:d7:a9:10:f9:40:fc:23:74:8d:d1:68:86:a6:c5:d7:a6:d4:04:9d:8b:3f:4c:3f:6b:a5:d9:4e:bc:e8:ee:30]
[2021-12-10 12:49:09.677] [0001]     Output: [- SHA-1: 07:20:c0:c9:b3:6d:8a:3c:12:b8:d8:0a:71:e0:d7:85:bd:99:67:a2]
[2021-12-10 12:49:09.677] [0001]     Output: [Summary: Self-signed certificate. The error occurred at a depth of 1 in the certificate chain.]
[2021-12-10 12:49:09.677] [0001]     Output: [When connecting using an IP address, it is not possible to verify if the certificate was issued for the server. Use a hostname instead of the IP address.]
[2021-12-10 12:49:09.677] [0001]     [color=red]Output: [If you trust this certificate, press Yes. To connect without storing certificate, press No. To abandon the connection press Cancel.][/color]
[2021-12-10 12:49:09.677] [0001]     Output: [Continue connecting and store the certificate?]
[2021-12-10 12:49:09.741] [0001]     Waiting for log update and dispatching events for 100
[2021-12-10 12:49:09.853] [0001]     Waiting for log update and dispatching events for 200
[2021-12-10 12:49:10.066] [0001]     Waiting for log update and dispatching events for 400
[2021-12-10 12:49:10.480] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:11.283] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:12.087] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:12.888] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:13.698] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:14.501] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:15.305] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:16.106] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:16.915] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:17.722] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:18.527] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:19.332] [0001]     Waiting for log update and dispatching events for 800
[2021-12-10 12:49:19.659] [0004]       Options Result: [-2]
[2021-12-10 12:49:19.659] [0004]     ExeSessionProcess.ProcessChoiceEvent leaving
[2021-12-10 12:49:19.659] [0004]     Releasing communication structure
[2021-12-10 12:49:19.659] [0004]     Released communication structure
[2021-12-10 12:49:19.659] [0004]     Response event set
[2021-12-10 12:49:19.659] [0004]   ExeSessionProcess.ProcessEvent leaving
[2021-12-10 12:49:19.659] [0004]   2nd generation collection count: 4
[2021-12-10 12:49:19.659] [0004]   Total memory allocated: 5604544
[2021-12-10 12:49:19.659] [0004]   Waiting for request event
[2021-12-10 12:49:19.659] [0004]   Got request event
[2021-12-10 12:49:19.659] [0004]   ExeSessionProcess.ProcessEvent entering
[2021-12-10 12:49:19.659] [0004]     Acquiring communication structure
[2021-12-10 12:49:19.659] [0004]     Acquired communication structure
[2021-12-10 12:49:19.659] [0004]     Print: Cancel

[2021-12-10 12:49:19.659] [0004]     [color=red]Scheduling output: [(Y)es, (N)o, C(a)ncel (10 s), (C)opy Key: Cancel][/color]
[2021-12-10 12:49:19.659] [0004]     Releasing communication structure
[2021-12-10 12:49:19.659] [0004]     Released communication structure
[2021-12-10 12:49:19.659] [0004]     Response event set
[2021-12-10 12:49:19.659] [0004]   ExeSessionProcess.ProcessEvent leaving
[2021-12-10 12:49:19.659] [0004]   2nd generation collection count: 4
[2021-12-10 12:49:19.659] [0004]   Total memory allocated: 5620928
[2021-12-10 12:49:19.660] [0001]     Output: [(Y)es, (N)o, C(a)ncel (10 s), (C)opy Key: Cancel]
[2021-12-10 12:49:19.660] [0004]   Waiting for request event
[2021-12-10 12:49:19.660] [0004]   Got request event
[2021-12-10 12:49:19.660] [0004]   ExeSessionProcess.ProcessEvent entering
[2021-12-10 12:49:19.660] [0004]     Acquiring communication structure
[2021-12-10 12:49:19.660] [0004]     Acquired communication structure
[2021-12-10 12:49:19.660] [0004]     Print: Connection failed.
Peer certificate rejected
Disconnected from server
Connection failed.
[/code][/quote]

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Topic review

martin

Re: session.open();

2021-12-13

Please start here:
https://winscp.net/eng/docs/library_example_known_hosts

It's for SSH host keys, but similar code can be used for TLS certificates.

Crmado

Interactive TLS certificate prompt in session.open()

2021-12-10 06:13

Using session.open() in C# does not display related messages during execution. It can be found in the log that there is a request for consent during execution. If SessionOptions.GiveUpSecurityAndAcceptAnyTlsHostCertificate = true; or SessionOptions.TlsHostCertificateFingerprint; The reason is that the certificate is not approved or the certificate is not specified, but I need the user to agree to the certificate. What should I do to get the message when the session.open(); is executed.

The following is the log content：

[2021-12-10 12:49:09.675] [0001]     Read node 3: Element session

[2021-12-10 12:49:09.675] [0001]     Log contents has not changed

[2021-12-10 12:49:09.675] [0001]   SessionLogReader.Read leaving

[2021-12-10 12:49:09.676] [0001]   SessionLogReader.Read entering

[2021-12-10 12:49:09.677] [0001]     Waiting for log update and dispatching events for 50

[2021-12-10 12:49:09.677] [0001]     Output: [SHA-256: 29:d7:a9:10:f9:40:fc:23:74:8d:d1:68:86:a6:c5:d7:a6:d4:04:9d:8b:3f:4c:3f:6b:a5:d9:4e:bc:e8:ee:30]

[2021-12-10 12:49:09.677] [0001]     Output: [SHA-1: 07:20:c0:c9:b3:6d:8a:3c:12:b8:d8:0a:71:e0:d7:85:bd:99:67:a2]

[2021-12-10 12:49:09.677] [0001]     Output: [winscp> option batch on]

[2021-12-10 12:49:09.677] [0001]     Output: [batch           on        ]

[2021-12-10 12:49:09.677] [0001]     Output: [reconnecttime   120       ]

[2021-12-10 12:49:09.677] [0001]     Output: [winscp> option confirm off]

[2021-12-10 12:49:09.677] [0001]     Output: [confirm         off       ]

[2021-12-10 12:49:09.677] [0001]     Output: [winscp> option reconnecttime 120]

[2021-12-10 12:49:09.677] [0001]     Output: [reconnecttime   120       ]

[2021-12-10 12:49:09.677] [0001]     Output: [winscp> open "ftp://anonymous:***@xxx.xxx.xxx.xxx:21" -explicit -passive=0 -timeout=60]

[2021-12-10 12:49:09.677] [0001]     Output: [Connecting to xxx.xxx.xxx.xxx ...]

[2021-12-10 12:49:09.677] [0001]     Output: [The server's certificate is not known. You have no guarantee that the server is the computer you think it is.]

[2021-12-10 12:49:09.677] [0001]     Output: [Server's certificate details follow:]

[2021-12-10 12:49:09.677] [0001]     Output: [Issuer:]

[2021-12-10 12:49:09.677] [0001]     Output: [- Organization: asd, asd, *.nuu.edu.tw, asd]

[2021-12-10 12:49:09.677] [0001]     Output: [- Location: TW, asd, asd]

[2021-12-10 12:49:09.677] [0001]     Output: [Subject:]

[2021-12-10 12:49:09.677] [0001]     Output: [- Organization: asd, asd, *.nuu.edu.tw, asd]

[2021-12-10 12:49:09.677] [0001]     Output: [- Location: TW, asd, asd]

[2021-12-10 12:49:09.677] [0001]     Output: [Valid: 2021/12/9 上午 02:00:24 - 2022/12/9 上午 02:00:24]

[2021-12-10 12:49:09.677] [0001]     Output: [Fingerprints:]

[2021-12-10 12:49:09.677] [0001]     Output: [- SHA-256: 29:d7:a9:10:f9:40:fc:23:74:8d:d1:68:86:a6:c5:d7:a6:d4:04:9d:8b:3f:4c:3f:6b:a5:d9:4e:bc:e8:ee:30]

[2021-12-10 12:49:09.677] [0001]     Output: [- SHA-1: 07:20:c0:c9:b3:6d:8a:3c:12:b8:d8:0a:71:e0:d7:85:bd:99:67:a2]

[2021-12-10 12:49:09.677] [0001]     Output: [Summary: Self-signed certificate. The error occurred at a depth of 1 in the certificate chain.]

[2021-12-10 12:49:09.677] [0001]     Output: [When connecting using an IP address, it is not possible to verify if the certificate was issued for the server. Use a hostname instead of the IP address.]

[2021-12-10 12:49:09.677] [0001]     [color=red]Output: [If you trust this certificate, press Yes. To connect without storing certificate, press No. To abandon the connection press Cancel.][/color]

[2021-12-10 12:49:09.677] [0001]     Output: [Continue connecting and store the certificate?]

[2021-12-10 12:49:09.741] [0001]     Waiting for log update and dispatching events for 100

[2021-12-10 12:49:09.853] [0001]     Waiting for log update and dispatching events for 200

[2021-12-10 12:49:10.066] [0001]     Waiting for log update and dispatching events for 400

[2021-12-10 12:49:10.480] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:11.283] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:12.087] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:12.888] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:13.698] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:14.501] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:15.305] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:16.106] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:16.915] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:17.722] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:18.527] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:19.332] [0001]     Waiting for log update and dispatching events for 800

[2021-12-10 12:49:19.659] [0004]       Options Result: [-2]

[2021-12-10 12:49:19.659] [0004]     ExeSessionProcess.ProcessChoiceEvent leaving

[2021-12-10 12:49:19.659] [0004]     Releasing communication structure

[2021-12-10 12:49:19.659] [0004]     Released communication structure

[2021-12-10 12:49:19.659] [0004]     Response event set

[2021-12-10 12:49:19.659] [0004]   ExeSessionProcess.ProcessEvent leaving

[2021-12-10 12:49:19.659] [0004]   2nd generation collection count: 4

[2021-12-10 12:49:19.659] [0004]   Total memory allocated: 5604544

[2021-12-10 12:49:19.659] [0004]   Waiting for request event

[2021-12-10 12:49:19.659] [0004]   Got request event

[2021-12-10 12:49:19.659] [0004]   ExeSessionProcess.ProcessEvent entering

[2021-12-10 12:49:19.659] [0004]     Acquiring communication structure

[2021-12-10 12:49:19.659] [0004]     Acquired communication structure

[2021-12-10 12:49:19.659] [0004]     Print: Cancel



[2021-12-10 12:49:19.659] [0004]     [color=red]Scheduling output: [(Y)es, (N)o, C(a)ncel (10 s), (C)opy Key: Cancel][/color]

[2021-12-10 12:49:19.659] [0004]     Releasing communication structure

[2021-12-10 12:49:19.659] [0004]     Released communication structure

[2021-12-10 12:49:19.659] [0004]     Response event set

[2021-12-10 12:49:19.659] [0004]   ExeSessionProcess.ProcessEvent leaving

[2021-12-10 12:49:19.659] [0004]   2nd generation collection count: 4

[2021-12-10 12:49:19.659] [0004]   Total memory allocated: 5620928

[2021-12-10 12:49:19.660] [0001]     Output: [(Y)es, (N)o, C(a)ncel (10 s), (C)opy Key: Cancel]

[2021-12-10 12:49:19.660] [0004]   Waiting for request event

[2021-12-10 12:49:19.660] [0004]   Got request event

[2021-12-10 12:49:19.660] [0004]   ExeSessionProcess.ProcessEvent entering

[2021-12-10 12:49:19.660] [0004]     Acquiring communication structure

[2021-12-10 12:49:19.660] [0004]     Acquired communication structure

[2021-12-10 12:49:19.660] [0004]     Print: Connection failed.

Peer certificate rejected

Disconnected from server

Connection failed.

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Topic review

Re: session.open();

Interactive TLS certificate prompt in session.open()

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