我在 Filezilla 中收到的错误是“无法获取目录列表”。在 Firefox 中，它只是继续加载，没有任何反应。对于两个客户端，proftpd.log 中都显示相同的消息。
Computer - error setting write fd TCP_NOPUSH: Protocol not available
Computer - error setting read fd TCP_NOPUSH: Protocol not available
Computer (193.140.12.170[193.140.12.170]) - FTP session opened.
Computer (193.140.12.170[193.140.12.170]) - PRIVS_USER: unable to seteuid(session.login_uid): Invalid argument
Computer (193.140.12.170[193.140.12.170]) - USER testing: Login successful.
Computer (193.140.12.170[193.140.12.170]) - error: /var/log is a world writeable directory
Computer (193.140.12.170[193.140.12.170]) - PRIVS_USER: unable to seteuid(session.login_uid): Invalid argument
Computer (193.140.12.170[193.140.12.170]) - PRIVS_SETUP: unable to seteuid(): Invalid argument
Computer (193.140.12.170[193.140.12.170]) - PRIVS_RELINQUISH: unable to seteuid(session.uid): Invalid argument
Computer (193.140.12.170[193.140.12.170]) - PRIVS_RELINQUISH: unable to seteuid(session.uid): Invalid argument
Computer (193.140.12.170[193.140.12.170]) - FTP no transfer timeout, disconnected
Computer (193.140.12.170[193.140.12.170]) - FTP session closed.
Computer - error setting write fd TCP_NOPUSH: Protocol not available
Computer - error setting read fd TCP_NOPUSH: Protocol not available
Computer (193.140.12.170[193.140.12.170]) - FTP session opened.
Computer (193.140.12.170[193.140.12.170]) - no such user 'ftp'
Computer (193.140.12.170[193.140.12.170]) - USER ftp: no such user found from 193.140.12.170 [193.140.12.170] to 192.168.10.138:21
Computer (193.140.12.170[193.140.12.170]) - FTP session closed.
Computer - error setting write fd TCP_NOPUSH: Protocol not available
Computer - error setting read fd TCP_NOPUSH: Protocol not available
Computer (193.140.12.170[193.140.12.170]) - FTP session opened.
Computer (193.140.12.170[193.140.12.170]) - PRIVS_USER: unable to seteuid(session.login_uid): Invalid argument
Computer (193.140.12.170[193.140.12.170]) - USER testing: Login successful.
Computer (193.140.12.170[193.140.12.170]) - error: /var/log is a world writeable directory
Computer (193.140.12.170[193.140.12.170]) - PRIVS_USER: unable to seteuid(session.login_uid): Invalid argument
Computer (193.140.12.170[193.140.12.170]) - PRIVS_SETUP: unable to seteuid(): Invalid argument
Computer (193.140.12.170[193.140.12.170]) - PRIVS_RELINQUISH: unable to seteuid(session.uid): Invalid argument
Computer (193.140.12.170[193.140.12.170]) - PRIVS_RELINQUISH: unable to seteuid(session.uid): Invalid argument
Computer (193.140.12.170[193.140.12.170]) - PRIVS_RELINQUISH: unable to seteuid(session.uid): Invalid argument
ProFTPD 是通过 Cygwin 安装的，尽管他们说这不是 Cygwin 的问题。
我尝试添加以下条目：
IdentLookups off
UseReverseDNS off
不幸的是，它仍然无法成功提供目录列表。通过 cygwin 的 Apache 服务器可以完美地托管相同的目录。