¿Por qué no veo la lista de directorios en mi sitio FTP en IIS?

¿Por qué no veo la lista de directorios en mi sitio FTP en IIS?

Creé un sitio FTP. Configuré el acceso anónimo en verdadero y habilité la autenticación anónima.

Lo verifiqué usando el Explorador de Windows en mi servidor y pude ver la lista de mis directorios usando estas direcciones:

ftp://host:port/
ftp://ip:port/

Sin embargo, no puedo ver el contenido de mi FTP en FileZilla. Y aquí está el registro:

Status: Resolving address of DOMAIN
Status: Connecting to IP:PORT...
Status: Connection established, waiting for welcome message...
Status: Insecure server, it does not support FTP over TLS.
Status: Logged in
Status: Retrieving directory listing...
Command:    PWD
Response:   257 "/" is current directory.
Command:    TYPE I
Response:   200 Type set to I.
Command:    PASV
Response:   227 Entering Passive Mode (...).
Command:    LIST
Response:   150 Opening BINARY mode data connection.
Error:  Connection timed out after 20 seconds of inactivity
Error:  Failed to retrieve directory listing
Status: Disconnected from server
Status: Resolving address of DOMAIN
Status: Connecting to IP:PORT...
Status: Connection established, waiting for welcome message...
Status: Insecure server, it does not support FTP over TLS.
Status: Logged in
Status: Retrieving directory listing...
Command:    PWD
Response:   257 "/" is current directory.
Command:    TYPE I
Response:   200 Type set to I.
Command:    PASV
Response:   227 Entering Passive Mode (...).
Command:    LIST
Response:   150 Opening BINARY mode data connection.
Error:  Connection timed out after 20 seconds of inactivity
Error:  Failed to retrieve directory listing

Estoy estancado en este punto. ¿Lo que está mal?

Utilizo Windows Server 2012 R2 e IIS 8.

Actualizar:Aquí está el registro de FileZilla con Modo Activo:

Status: Disconnected from server
Status: Resolving address of DOMAIN
Status: Connecting to IP:PORT...
Status: Connection established, waiting for welcome message...
Status: Insecure server, it does not support FTP over TLS.
Status: Logged in
Status: Retrieving directory listing...
Command:    PWD
Response:   257 "/" is current directory.
Command:    TYPE I
Response:   200 Type set to I.
Command:    PORT 62,102,140,42,195,248
Response:   200 PORT command successful.
Command:    LIST
Response:   150 Opening BINARY mode data connection.
Error:  Connection timed out after 20 seconds of inactivity
Error:  Failed to retrieve directory listing
Status: Disconnected from server
Status: Resolving address of DOMAIN
Status: Connecting to IP:PORT...
Status: Connection established, waiting for welcome message...
Status: Insecure server, it does not support FTP over TLS.
Status: Logged in
Status: Retrieving directory listing...
Command:    PWD
Response:   257 "/" is current directory.
Command:    TYPE I
Response:   200 Type set to I.
Command:    PORT 62,102,140,42,196,4
Response:   200 PORT command successful.
Command:    LIST
Response:   150 Opening BINARY mode data connection.
Error:  Connection timed out after 20 seconds of inactivity
Error:  Failed to retrieve directory listing

Actualización 2: Utilicé Beyond Compare con el modo activo y aquí está el registro:

Stat> Connected.
Recv> 220 Microsoft FTP Service
Sent> USER anonymous
Recv> 331 Anonymous access allowed, send identity (e-mail name) as password.
Sent> PASS ********
Recv> 230 User logged in.
Sent> FEAT
Recv> 211-Extended features supported:
Recv>  LANG EN*
       UTF8
Recv>  AUTH TLS;TLS-C;SSL;TLS-P;
       PBSZ
       PROT C;P;
       CCC
Recv>  HOST
Recv>  SIZE
       MDTM
       REST STREAM
      211 END
Sent> OPTS UTF8 ON
Recv> 200 OPTS UTF8 command successful - UTF8 encoding now ON.
Sent> TYPE A
Recv> 200 Type set to A.
Sent> SYST
Recv> 215 Windows_NT
Sent> TYPE A
Recv> 200 Type set to A.
Sent> PWD
Recv> 257 "/" is current directory.
Sent> REST 1
Recv> 350 Restarting at 1.
Sent> REST 0
Recv> 350 Restarting at 0.
Sent> PORT 192,168,1,158,23,116
Recv> 501 Server cannot accept argument.
Unable to load ftp://host:port/: Server cannot accept argument.

Respuesta1

Parece que estás intentando utilizar FileZilla en modo pasivo, pero es posible que tu servidor no lo admita o bloquee el acceso al puerto con el firewall. Dado que puede acceder a sus archivos usando el navegador en modo activo, configure FileZilla en modo activo e inténtelo nuevamente.

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