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<p><FONT class=normalfont><B><font color=blue>RedHat8.0服务器配置指南--vsftp</font></B></FONT><BR><FONT class=smallfont color=#ff9900>2004-04-23 15:18 pm</FONT><BR><FONT class=normalfont>作者：作者<br>来自：Linux知识宝库<br>联系方式：无名<br><br> RedHat带了wu-ftpd和vsftp两套ftp系统。我也是第一次接触vsftp，根据man说vsftp的含<br>
义就是Very Security Ftp的意思，至于是否真的是非常安全，我不敢说。毕竟以前没有用过。<br>
因为应一个朋友的要求，所以简单地看了看vsftp的说明，发现还是很简单的， 下面就简要的<br>
说一下它的配置方法。<br>
<br>
1. 相关配置文件<br>
/etc/<br>
vsftpd.conf<br>
vsftpd.ftpuser<br>
vsftpd.user_list<br>
/etc/xinetd.d/<br>
vsftpd<br>
<br>
2. 配置vsftp<br>
主要是修改/etc/vsftpd.conf就可以了,相关参数如下:<br>
anonymous_enable=YES 是否允许匿名ftp,如否则选择NO<br>
local_enable=YES 是否允许本地用户登录<br>
local_umask=022 默认的umask码<br>
anon_upload_enable=YES 是否允许匿名ftp用户访问<br>
anon_upload_enable=YES 是否允许匿名上传文件<br>
anon_mkdir_write_enable=YES 是否允许匿名用户有创建目录的权利<br>
dirmessage_enable=YES 是否显示目录说明文件,默认是YES但需要收工创建.message文件<br>
xferlog_enable=YES 是否记录ftp传输过程<br>
connect_from_port_20=YES 是否确信端口传输来自20(ftp-data)<br>
chown_upload=YES<br>
chown_username=username 是否改变上传文件的属主,如果是需要输入一个系统用户名,你可以把上传的文件都改成root属主<br>
xferlog_file=/var/log/vsftpd.log<br>
ftp传输日志的路径和名字默认是/var/log/vsftpd.log<br>
xferlog_std_format=YES 是否使用标准的ftp xferlog模式<br>
idle_session_timeout=600 设置默认的断开不活跃session的时间<br>
data_connection_timeout=120 设置数据传输超时时间<br>
nopriv_user=ftpsecure 运行vsftpd需要的非特权系统用户默认是nobody<br>
async_abor_enable=YES 是否允许运行特殊的ftp命令async ABOR.这里我翻译的不爽,原文如下:<br>
When enabled, a special FTP command known as "async ABOR" will be enabled. Only ill advised FTP clients will use this feature.Addtionally, this feature is awkward to handle, so it is dis-abled by default. Unfortunately, some FTP clients will hang when cancelling a transfer unless this feature is available, so you may wish to enable it.<br>
ascii_upload_enable=YES<br>
ascii_download_enable=YES 是否使用ascii码方式上传和下载文件<br>
ftpd_banner=Welcome to chenlf FTP service. <br>
定制欢迎信息<br>
deny_email_enable=YES<br>
banned_email_file=/etc/vsftpd.banned_emails<br>
是否允许禁止匿名用户使用某些邮件地址,如果是输入禁止的邮件地址的路径和文件名<br>
chroot_list_enable=YES<br>
chroot_list_file=/etc/vsftpd.chroot_list<br>
是否将系统用户限止在自己的home目录下,如果选择了yes那么chroot_list_file=/etc/vsftpd.chroot_list中列出的是不chroot的用户的列表<br>
max_clients=Number 如果以standalone模式起动,那么只有$Number个用户可以连接,其他的用户将得到错误信息,默认是0不限止<br>
message_file 设置访问一个目录时获得的目录信息文件的文件名,默认是.message<br>
<br>
没发现有限制带宽的地方,如果谁知道请告诉我,详细的帮助说明请参考man vsftpd.conf<br>
<br>
3. 配置实例<br>
以下是我的配置文件。允许匿名FTP，允许上传，chroot用户目录，上传文件属主改为root<br>
anonymous_enable=YES<br>
local_enable=YES<br>
write_enable=YES<br>
local_umask=022<br>
anon_upload_enable=YES<br>
anon_mkdir_write_enable=YES<br>
dirmessage_enable=YES<br>
xferlog_enable=YES<br>
connect_from_port_20=YES<br>
chown_uploads=YES<br>
chown_username=root<br>
xferlog_file=/var/log/vsftpd.log<br>
xferlog_std_format=YES<br>
pam_service_name=vsftpd<br>
chroot_local_user=YES<br>
<br>
4. 起动服务<br>
vsftpd和wu-ftpd不能同时起动,所以修改/etc/xinetd.d/wu-ftpd将disable设置为yes,然<br>
后修改/etc/vsftpd将disable设置为NO<br>
执行/etc/initd.d/xinetd restart<br>
就可以了。好了，现在我们就建了一个所谓的非常安全的ftp服务器了，大家试试吧！<br>
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