FTPES:它加密数据吗?

FTPES:它加密数据吗?,ftp,sftp,ftps,Ftp,Sftp,Ftps,我当前使用连接到FTP服务器 我想知道:当我连接到FTP服务器时,我的电脑和服务器之间传输的数据是加密的吗?从日志中我可以看出它是经过身份验证的 这是我的服务器日志。我能从中看出它是否加密了吗 Status: Retrieving directory listing... Command: CWD MyS03 Response: 250 CWD command successful Command: PWD Response: 257 "/MyFiles" is the cu

我当前使用连接到FTP服务器

我想知道:当我连接到FTP服务器时,我的电脑和服务器之间传输的数据是加密的吗?从日志中我可以看出它是经过身份验证的

这是我的服务器日志。我能从中看出它是否加密了吗

Status: Retrieving directory listing...
Command:    CWD MyS03
Response:   250 CWD command successful
Command:    PWD
Response:   257 "/MyFiles" is the current directory
Command:    PASV
Response:   227 Entering Passive Mode (37,58,52,72,195,33).
Command:    MLSD
Response:   150 Opening ASCII mode data connection for MLSD
Response:   226 Transfer complete
Status: Directory listing successful
Error:  Connection timed out
Error:  File transfer failed after transferring 155,893,760 bytes in 247 seconds
Status: Resolving address of 192.168.10.111
Status: Connecting to 11.135.156.147:21210...
Status: Connection established, waiting for welcome message...
Response:   220 (vsFTPd 2.3.5)
Command:    AUTH TLS
Response:   234 Proceed with negotiation.
Status: Initializing TLS...
Status: Verifying certificate...
Command:    USER darklord
Status: TLS/SSL connection established.
Response:   331 Please specify the password.
Command:    PASS ********
Response:   230 Login successful.
Command:    OPTS UTF8 ON
Response:   200 Always in UTF8 mode.
Command:    PBSZ 0
Response:   200 PBSZ set to 0.
Command:    PROT P
Response:   200 PROT now Private.
Status: Connected
Status: Starting download of /test.mov
Command:    CWD /rtorrent/data
Response:   250 Directory successfully changed.
Command:    TYPE I
Response:   200 Switching to Binary mode.
Command:    PASV
Response:   227 Entering Passive Mode (5,135,156,147,78,83).
Command:    REST 155893760
Response:   350 Restart position accepted (55893760).
Command:    RETR test.mov
Response:   150 Opening BINARY mode data connection for test.mov (197992856 bytes). 
一般来说,FTPS(FTPE)并不一定意味着数据是加密的。虽然它通常是加密的(就像在这个特定的实例中一样)

您的客户端使用
PROT p
命令请求私有数据通道保护级别。私有级别意味着数据将受到完整性和保密性保护

当服务器确认请求时(响应
200 PROT now Private
),数据被加密(=保密保护)

有关详细信息,请参阅