当我们限定了用户不能跳出其主目录之后,使用该用户登录FTP时往往会遇到这个错误:
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500 OOPS: vsftpd: refusing to run with writable root inside chroot ()
500 OOPS: vsftpd: refusing to run with writable root inside chroot ()
这个问题发生在最新的这是由于下面的更新造成的:
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- Add stronger checks for the configuration error of running with a writeable root directory inside a chroot(). This may bite people who carelessly turned on chroot_local_user but such is life.
- Add stronger checks for the configuration error of running with a writeable root directory inside a chroot(). This may bite people who carelessly turned on chroot_local_user but such is life.
从2.3.5之后,vsftpd增强了安全检查,如果用户被限定在了其主目录下,则该用户的主目录不能再具有写权限了!如果检查发现还有写权限,就会报该错误。
要修复这个错误,可以用命令chmod a-w /home/user去除用户主目录的写权限,注意把目录替换成你自己的。或者你可以在vsftpd的配置文件中增加下列两项中的一项:
allow_writeable_chroot=YES
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