我在防火墙后面的 freebsd 上设置了 pure-ftp。在 pure-ftp 上设置了 passsi 模式 ftp（范围端口 50400-50600），防火墙打开了 50400-50600 端口（包括模式 IN 和 out）。但我尝试使用 ftp 客户端连接，但无法连接。无连接错误
status: Connecting to 210.245.88.96:21...
Status: Connection established, waiting for welcome message...
Response: 220---------- Welcome to Pure-FTPd [privsep] ----------
Response: 220-You are user number 1 of 50 allowed.
Response: 220-Local time is now 13:20. Server port: 21.
Response: 220-IPv6 connections are also welcome on this server.
Response: 220 You will be disconnected after 15 minutes of inactivity.
Command: USER bk
Response: 331 User bk OK. Password required
Command: PASS *****
Response: 230 OK. Current directory is /
Command: SYST
Response: 215 UNIX Type: L8
Command: FEAT
Response: 211-Extensions supported:
Response: EPRT
Response: IDLE
Response: MDTM
Response: SIZE
Response: REST STREAM
Response: MLST type*;size*;sizd*;modify*;UNIX.mode*;UNIX.uid*;UNIX.gid*;unique*;
Response: MLSD
Response: ESTA
Response: PASV
Response: EPSV
Response: SPSV
Response: ESTP
Response: 211 End.
Status: Connected
Status: Retrieving directory listing...
Command: PWD
Response: 257 "/" is your current location
Command: TYPE I
Response: 200 TYPE is now 8-bit binary
Command: PASV
Response: 227 Entering Passive Mode (210,245,88,98,138,1)
Command: MLSD
Error: Connection timed out
Error: Failed to retrieve directory listing
Status: Connecting to 210.245.88.98:21...
Status: Connection established, waiting for welcome message...
帮我。
信息变更
答案1
打开端口可能还不够，您可能还需要将端口范围转发回您的 FTP 服务器。