FileZilla Server 425 Can’t open data connection for transfer of Hatasının Çözümü

Merhabalar,

FileZilla Sunucunuza FileZilla client aracılığıyla bağlanmakta sorunlar yaşayabilirsiniz.

FileZilla istemcisi bu testler sırasında düz FTP ile Pasif modu kullanıyor.

FileZilla Sunucu Günlüğü

(000042)3/3/2020 1:46:15 AM - (not logged in) (xxx.xxx.xxx.xxx)> Connected on port 2121, sending welcome message...
(000042)3/3/2020 1:46:15 AM - (not logged in) (xxx.xxx.xxx.xxx)> 220-FileZilla Server 0.9.60 beta
(000042)3/3/2020 1:46:15 AM - (not logged in) (xxx.xxx.xxx.xxx)> 220-written by Tim Kosse ([email protected])
(000042)3/3/2020 1:46:15 AM - (not logged in) (xxx.xxx.xxx.xxx)> 220 Please visit https://filezilla-project.org/
(000042)3/3/2020 1:46:15 AM - (not logged in) (xxx.xxx.xxx.xxx)> USER admin
(000042)3/3/2020 1:46:15 AM - (not logged in) (xxx.xxx.xxx.xxx)> 331 Password required for admin
(000042)3/3/2020 1:46:15 AM - (not logged in) (xxx.xxx.xxx.xxx)> PASS ********
(000042)3/3/2020 1:46:15 AM - admin (xxx.xxx.xxx.xxx)> 230 Logged on
(000042)3/3/2020 1:46:15 AM - admin (xxx.xxx.xxx.xxx)> PWD
(000042)3/3/2020 1:46:15 AM - admin (xxx.xxx.xxx.xxx)> 257 "/" is current directory.
(000042)3/3/2020 1:46:15 AM - admin (xxx.xxx.xxx.xxx)> TYPE I
(000042)3/3/2020 1:46:15 AM - admin (xxx.xxx.xxx.xxx)> 200 Type set to I
(000042)3/3/2020 1:46:16 AM - admin (xxx.xxx.xxx.xxx)> PASV
(000042)3/3/2020 1:46:16 AM - admin (xxx.xxx.xxx.xxx)> 227 Entering Passive Mode (172,16,1,9,27,5)
(000042)3/3/2020 1:46:16 AM - admin (xxx.xxx.xxx.xxx)> MLSD
(000042)3/3/2020 1:46:26 AM - admin (xxx.xxx.xxx.xxx)> 425 Can't open data connection for transfer of "/"

FileZilla İstemci Günlüğü

Status: Connection established, waiting for welcome message...
Status: Logged in
Status: Retrieving directory listing...
Status: Directory listing of "/" successful
Status: Disconnected from server
Status: Resolving address of www.example.com
Status: Connecting to yyy.yyy.yyy.yyy:2121...
Status: Connection established, waiting for welcome message...
Status: Logged in
Status: Retrieving directory listing...
Status: Server sent passive reply with unroutable address. Using server address instead.
Command:    MLSD
Response:   425 Can't open data connection for transfer of "/"
Error:  Failed to retrieve directory listing

Çözüm;
Büyük olasılıkla sunucunun güvenlik duvarındaki veri bağlantı bağlantı noktalarını açmadınız (veya varsa, NAT üzerindeki bağlantı noktalarını iletmediniz). FTP sunucusunun hangi bağlantı noktalarını kullandığını kontrol edin ve bunları açın / iletin.