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margin-top: -11px;"> <div class="m z"> <div id="userinfo807_ma"></div> </div> <div class="i y"> <div> <strong><a href="space-uid-1.html" target="_blank" class="xi2">职起网</a></strong> <em>当前离线</em> </div><dl class="cl"> <dt>积分</dt><dd><a href="home.php?mod=space&uid=1&do=profile" target="_blank" class="xi2">4536</a></dd> </dl><div class="imicn"> <a href="home.php?mod=space&uid=1&do=profile" target="_blank" title="查看详细资料"><img src="static/image/common/userinfo.gif" alt="查看详细资料" /></a> </div> <div id="avatarfeed"><span id="threadsortswait"></span></div> </div> </div> <div> </div> </div> </td> <td class="plc"> <div class="pi"> <div class="pti"> <div class="pdbt"> </div> <div class="authi"> <img class="authicn vm" id="authicon807" src="static/image/common/online_admin.gif" /> <em id="authorposton807">发表于 2023-10-18 15:41</em> <span class="pipe">|</span> <a href="thread-2298-1-1.html" rel="nofollow">显示全部楼层</a> <span class="pipe show">|</span><a href="javascript:;" onclick="readmode($('thread_subject').innerHTML, 807);" class="show">阅读模式</a> </div> </div> </div><div class="pct"><style type="text/css">.pcb{margin-right:0}</style><div class="pcb"> <div class="typeoption"> <table summary="分类信息" cellpadding="0" cellspacing="0" class="cgtl mbm"> <caption>Linux</caption> <tbody><tr> <th>Linux 私房菜:</th> <td>服务器 » 一.架站前的进修专区 » 6.网络侦错 </td> </tr> </tbody> </table> </div> <div class="t_fsz"><table cellspacing="0" cellpadding="0"> <tr> <td class="t_f" id="postmessage_807"> <font size="4"><strong>1、本章习题</strong></font><br /> <ul><li>以图 6.1-1 的星形联机为例，你的 Linux PC 3 可以 ping 到 Windows PC1 ，但是反过来，Windows PC1 无法 ping 到 Linux PC3，你觉得原因可能发生在哪里？[jzsjiale_fold=答案]由于两边已经可以用 ping 进行联机，所以硬件应该是没有问题了。而 Linux --> Windows 没问题， Windows --> Linux 有问题，可能是由于 Linux 主机上面的防火墙所致。可以使用 iptables -L -n 去查阅一下防火墙的设定规则。详细的防火墙请参考后续的章节。[/jzsjiale_fold]<br /> </ul><br /> <br /> <br /> <br /> <font size="4"><strong>2、参考数据与延伸阅读</strong></font><br /> 注1：网中人的网络架构简介：<a href="http://www.study-area.org/network/network_archi.htm" target="_blank">http://www.study-area.org/network/network_archi.htm</a><br /> <br /> <br /> <br /> </td> </tr> </table> </div> <div id="comment_807" class="cm"> </div> <div id="post_rate_div_807"></div> </div> </div> </td></tr> <tr><td class="plc plm"> </td> </tr> <tr id="_postposition807"></tr> <tr> <td class="pls"></td> <td class="plc" style="overflow:visible;"> <div class="po hin"> <div class="pob cl"> <em> <a class="fastre" href="forum.php?mod=post&action=reply&fid=59&tid=2298&reppost=807&extra=page%3D1&page=1" onclick="showWindow('reply', this.href)">回复</a> </em> <p> <a href="javascript:;" onclick="showWindow('miscreport807', 'misc.php?mod=report&rtype=post&rid=807&tid=2298&fid=59', 'get', -1);return false;">举报</a> </p> </div> </div> </td> </tr> <tr class="ad"> <td class="pls"> </td> <td class="plc"> </td> </tr> </table> </div><div id="postlistreply" class="pl"><div id="post_new" class="viewthread_table" style="display: none"></div></div> </div> <form method="post" autocomplete="off" name="modactions" id="modactions"> <input type="hidden" name="formhash" value="aad64354" /> <input type="hidden" name="optgroup" /> <input type="hidden" name="operation" /> <input type="hidden" name="listextra" value="page%3D1" /> <input type="hidden" name="page" value="1" /> </form> <div class="pgs mtm mbm cl"> <span class="pgb y" id="visitedforumstmp" onmouseover="$('visitedforums').id = 'visitedforumstmp';this.id = 'visitedforums';showMenu({'ctrlid':this.id,'pos':'21'})"><a href="forum-59-1.html">返回列表</a></span> <a id="newspecialtmp" onmouseover="$('newspecial').id = 'newspecialtmp';this.id = 'newspecial';showMenu({'ctrlid':this.id})" onclick="location.href='forum.php?mod=post&action=newthread&fid=59';return false;" href="javascript:;" title="发新帖" class="pgsbtn showmenu">发新帖</a> </div> <!--[diy=diyfastposttop]--><div id="diyfastposttop" class="area"></div><!--[/diy]--> <div id="visitedforums_menu" class="p_pop blk cl" style="display: none;"> <table cellspacing="0" cellpadding="0"> <tr> <td id="v_forums"> <h3 class="mbn pbn bbda xg1">浏览过的版块</h3> <ul class="xl xl1"> <li><a href="forum-56-1.html">资料汇总</a></li></ul> </td> </tr> </table> </div> </div> <div class="wp mtn"> <!--[diy=diy3]--><div id="diy3" class="area"></div><!--[/diy]--> </div> <script type="text/javascript"> function succeedhandle_followmod(url, msg, values) { var fObj = $('followmod_'+values['fuid']); 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