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<html><head><title>Linux下的FTP服务器配置 [Linux]</title><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><SCRIPT language=JavaScript><!--var mystat=0;//price selectfunction myout(){mystat=0;window.setTimeout("mycheck()",5);}function myin(){mystat=1;}function mycheck(){if (mystat==0) MM_showHideLayers('price','','hide');}//price selectfunction MM_openBrWindow(theURL,winName,features) { //v2.0 window.open(theURL,winName,features);}function MM_findObj(n, d) { //v3.0 var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) { d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);} if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n]; for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document); return x;}function MM_showHideLayers() { //v3.0 var i,p,v,obj,args=MM_showHideLayers.arguments; for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2]; if (obj.style) { 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</tr> </table> <scriptsrc=/js/pcedu_menu.js></script> <TABLE WIDTH="98%" BORDER="0" CELLSPACING="0" CELLPADDING="2" HEIGHT="22"> <TR> <TD HEIGHT="25">您现在的位置:<a href="/pcedu/index.html" >网络学院</a> > <a href="/pcedu/soft/index.html" >软件教室</a> > <a href="/pcedu/soft/st/index.html" >操作系统</a> > <a href="/pcedu/soft/st/linux/index.html" >Linux</a></TD> </TR> </TABLE> <TABLE WIDTH="99%" BORDER="0" CELLSPACING="0" CELLPADDING="6" BACKGROUND="/images/point.gif"> <TR> <TD ALIGN="CENTER"> </TD> <TD ALIGN="CENTER"><FONT SIZE="3" COLOR="#339900"><B> Linux下的FTP服务器配置</B></FONT><BR> </TD> <TD WIDTH="126" ALIGN="right" CLASS="sfont" ROWSPAN="2"> <P> 出处:中国电脑教育报<BR> 责任编辑:zyq</P> </TD> </TR> <TR> <TD WIDTH="96">[02-9-16 16:49] </TD> <TD ALIGN="CENTER">作者:戴爱铭 </TD> </TR> </TABLE> </td> <td width="4" valign="top"><img src="http://www.pconline.com.cn/images/000000.gif" width="4" height="1"></td> <td valign="top" width="171" bgcolor="FFF7EF"> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td bgcolor="#000000" height="1"></td> </tr> <tr bgcolor="756DA1" align="center"> <td height="20"><font color="#FFFFFF">内容搜索 </font></td> </tr> </table> <SCRIPT LANGUAGE="JavaScript" SRC="/js/search_pcedu.js"></SCRIPT> <DIV ALIGN="CENTER"> <BR> </DIV> <DIV ALIGN=right> </DIV> </td> <td bgcolor="FFA200" width="6" class="bodyright"><img src="/images/blank.gif" width="1" height="1"></td> </tr> </table> <TABLE WIDTH="760" BORDER="0" CELLSPACING="0" CELLPADDING="0" BGCOLOR="#FFFFFF"> <TR> <TD BGCOLOR="FFDDA2" WIDTH="1"><IMG SRC="/images/blank.gif" WIDTH="1" HEIGHT="1"></TD> <TD BGCOLOR="FFA200" WIDTH="7"> </TD> <TD WIDTH="1" BGCOLOR="#000000"><IMG SRC="/images/blank.gif" WIDTH="1" HEIGHT="1"></TD> <TD ALIGN="center" VALIGN="top"> <DIV ALIGN="right"><TABLE WIDTH="99%" BORDER="0" CELLSPACING="0" CELLPADDING="5"> <TR VALIGN="TOP"> <TD CLASS="article"> <P><BR> /etc/ftpusers:该文件夹中包含的用户不能通过FTP登录服务器,有时将需要禁止的用户账号写入文件/etc/ftpuser中,这样就可以禁止一些用户使用FTP服务。<br><br><IFRAME SRC="http://www.pconline.com.cn/script/ad_text_pcedu_5.html" SCROLLING="no" WIDTH="322" HEIGHT="290" MARGINWIDTH="0" MARGINHEIGHT="0" FRAMEBORDER="0" ALIGN="left">广告:d_text </IFRAME> /etc/ftpconversions:用来配置压缩/解压缩程序。<br><br> /etc/ftpgroups:创建用户组,这个组中的成员预先定义可以访问FTP服务器。<br><br> /etc/ftpphosts:用来根据禁止或允许远程主机对特定账户的访问,例如:<br><br> allow czc 192.168.0.0/24<br><br> deny cdd 10.0.0.0/8<br><br> 表示允许czc用户从192.168.0这个网段连线访问,拒绝cdd从10.这个网段连线访问。<br><br> /etc/ftpaccess:是非常重要的一个配置文件,用来控制存取权限,文件中的每一行定义一个属性,并对属性的值进行设置。下面对它的一些常用配置做一点介绍:<br><br> 1、定义用户类别<br><br> 格式:class [类名] [real/guest/anonymous][IP地址]<br><br> 功能:这个指令的功能设定FTP服务器上用户的类别。并可对客户端的IP地址进行限制,允许特定或者全部的IP地址访问FTP服务器。<br><br> 2、登录重试次数<br><br> 在命令行中输入:loginfails 10,这表明如果10次还没有登录成功就切断连线。<br><br> 3、密码检查<br><br> 格式:passwd-check 〈strictness〉 warn<br><br> 是对匿名用户的密码使用方式的检查,其中〈strictness〉是三个可能的字符串之一:None、Trivial、RFC822。若选None,表示将不对口令做任何检查;若选Trivial,表示对口令有一定的要求,它需要在口令中至少要有一个@符号;若选RFC822,则表示最严格,要求E-mail地址必须遵守RFC822报文标题标准(如:czc@domain.com )。</P> <P 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