网段划分,使特定网段用户能自由上传下载

使特定网段用户能自由上传下载 - 故障解答 - 电脑教程网

使特定网段用户能自由上传下载

日期:2006-12-14   荐:
本人系菜鸟一个,前一段突发奇想做了以下的试验,现在问题解决了,把解决的方法总结一下,谨供参考,希望能给像我一样的菜鸟有所帮助。第一次写总结,总有如履薄冰,如临深渊的感觉,生怕误导别人。其中一定会有不妥或是错误,或者如果大家有什么更好的方法,希望大家提出来一起讨论。
解决过程中不少兄弟热情帮助尤其是wolfg斑竹的大力支持,十分感谢。

说明:在FC3上用vsftp实FTP服务。由于一些网段的用户为内部成员,不会对服务器造成危害。为了减少麻烦,更好地实现资源共享,现在想给他们的网段(本例中以10.0.1.*为例)的用户以自由上传下载的权利。

涉及的配置文件一共有四个:
vsftpd.conf
hosts.allow
/etc/vsftpd/local.cla
/etc/vsftpd/other.cla

内容:

hosts.allow
代码:
#
# hosts.allow This file describes the names of the hosts which are
# allowed to use the local INET services, as decided
# by the '/usr/ in/tcpd' server.
vsftpd: 10.0.1.* : setenv VSFTPD_LOAD_CONF /etc/vsftpd/local.cla
vsftpd: ALL : setenv VSFTPD_LOAD_CONF /etc/vsftpd/other.cla



/etc/vsftpd/local.cla
代码:
write_enable=YES
anon_upload_enable=YES
anon_mkdir_write_enable=YES


/etc/vsftpd/other.cla
代码:
write_enable=NO
anon_upload_enable=NO
anon_mkdir_write_enable=NO


vsftpd.conf
代码:
# Example config file /etc/vsftpd/vsftpd.conf
#
# The default compiled in settings are fairly paranoid. This sample file
# loose things up a bit, to make the ftp daemon more usable.
# Please see vsftpd.conf.5 for all compiled in defaults.
# # READ THIS: This example file is NOT an exhaustive list of vsftpd optio .
# Please read the vsftpd.conf.5 manual page to get a full idea of vsftpd's
# capabilities.
#
# Allow anonymous FTP? (Beware - allowed by default if you comment this out).
anonymous_enable=YES
#
# Uncomment this to allow local users to log in.
# 不允许本地用户上传下载,即只允许基于ip的认证
#local_enable=YES
#
# Uncomment this to enable any form of FTP write command.
# 在ftpd中的local.cla 和other.cla 文件中有write_enable=YES项
#write_enable=YES
#
# Default umask for local users is 077. You may wish to change this to 022,
# if your users expect that (022 is used by most other ftpd's)
local_umask=022
#
# Uncomment this to allow the anonymous FTP user to upload files. This only
# has an effect if the above global write enable is activated. Also, you will
# obviously need to create a directory writable by the FTP user.
#anon_upload_enable=YES
#
# Uncomment this if you want the anonymous FTP user to be able to create
# new directories.
#anon_mkdir_write_enable=YES
#
# Activate directory me ages - me ages given to remote users when they
# go into a certain directory.
dirme age_enable=YES
#
# Activate logging of uploads/downloads.
xferlog_enable=YES
#
# Make sure PORT tra fer co ectio originate from port 20 (ftp-data).
co ect_from_port_20=YES
#
# If you want, you can arrange for uploaded anonymous files to be owned by
# a different user. Note! Using "root" for uploaded files is not
# recommended!
#chown_uploads=YES
#chown_username=whoever
# # You may override where the log file goes if you like. The default is shown # below.
xferlog_file=/var/log/vsftpd.log
#
# If you want, you can have your log file in standard ftpd xferlog format
xferlog_std_format=YES
#
# You may change the default value for timing out an idle se ion.
#idle_se ion_timeout=600
#
# You may change the default value for timing out a data co ection.
#data_co ection_timeout=120
#
# It is recommended that you define on your system a unique user which the
# ftp server can use as a totally isolated and u rivileged user.
#nopriv_user=ft ecure
#
# Enable this and the server will recognise asynchronous ABOR requests. Not
# recommended for security (the code is non-trivial). Not enabling it,
# however, may confuse older FTP clients.
#async_abor_enable=YES
#
# By default the server will pretend to allow ASCII mode but in fact ignore
# the request. Turn on the below optio to have the server actually do ASCII
# mangling on files when in ASCII mode.
# Beware that turning on ascii_download_enable enables malicious remote parties
# to co ume your I/O resources, by i uing the command "SIZE /big/file" in
# ASCII mode.
# These ASCII optio are lit into upload and download because you may wish
# to enable ASCII uploads (to prevent uploaded scripts etc. from breaking),
# without the DoS risk of SIZE and ASCII downloads. ASCII mangling should be
# on the client anyway..
#ascii_upload_enable=YES
#ascii_download_enable=YES
#
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