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📁 一份很好的linux入门资料
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<HTML><HEAD>  <TITLE>BBS水木清华站∶精华区</TITLE></HEAD><BODY><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER>发信人:&nbsp;pzw&nbsp;(胖子王),&nbsp;信区:&nbsp;Linux&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<BR>标&nbsp;&nbsp;题:&nbsp;Re:&nbsp;正常时IP&nbsp;Chains的表现怎么样?&nbsp;<BR>发信站:&nbsp;BBS&nbsp;水木清华站&nbsp;(Sun&nbsp;Jan&nbsp;&nbsp;9&nbsp;22:30:11&nbsp;2000)&nbsp;<BR>&nbsp;<BR>我碰到过类似问题:&nbsp;单张网卡做router,&nbsp;每隔约5分钟就会无法连通学校的网关.&nbsp;&nbsp;<BR>我的配制跟你的类似,(我只是多加了个/sbin/insmod&nbsp;ip_masq_ftp).&nbsp;&nbsp;<BR>经过反复试验,&nbsp;我怀疑问题出在内核的ip&nbsp;alias功能上:&nbsp;&nbsp;<BR>关掉ip&nbsp;alias,&nbsp;一切正常;&nbsp;打开或者关闭ipchains规则均无影响.&nbsp;<BR>&nbsp;<BR>后来添了块网卡,&nbsp;去掉了ip&nbsp;alias设置.&nbsp;it&nbsp;works&nbsp;well&nbsp;now.&nbsp;<BR>&nbsp;<BR>偶曾在水母和上交大bbs报告过,&nbsp;可惜没什么响应.&nbsp;<BR>(也许我讲的不清楚//blush,&nbsp;当时我也以为是ipchains的问题)&nbsp;<BR>&nbsp;<BR>【&nbsp;在&nbsp;xsz&nbsp;(勇哥~~努力!~~奋斗!)&nbsp;的大作中提到:&nbsp;】&nbsp;<BR>∶<I>&nbsp;刚配好了个单网卡的IP&nbsp;Chains,但是子网内部的机器&nbsp;</I><BR>∶<I>&nbsp;连到外面好象很慢啊,丢包率&gt;40%,这是什么原因啊?&nbsp;</I><BR>∶<I>&nbsp;是IP&nbsp;Chains的问题还是我的问题?&nbsp;</I><BR>∶<I>&nbsp;cy120+,&nbsp;24M,&nbsp;540M+1.2G,&nbsp;slackware&nbsp;7.0,&nbsp;</I><BR>∶<I>&nbsp;2.2.14&nbsp;kernel,&nbsp;realtek&nbsp;8029网卡&nbsp;</I><BR>∶<I>&nbsp;配了一个合法IP,一个虚拟IP,然后IPChains命令如下:&nbsp;</I><BR>∶<I>&nbsp;ipchains&nbsp;-F&nbsp;forward&nbsp;</I><BR>∶<I>&nbsp;ipchains&nbsp;-P&nbsp;forward&nbsp;DENY&nbsp;</I><BR>∶<I>&nbsp;ipchains&nbsp;-P&nbsp;input&nbsp;ACCEPT&nbsp;</I><BR>∶<I>&nbsp;ipchains&nbsp;-P&nbsp;output&nbsp;ACCEPT&nbsp;</I><BR>∶<I>&nbsp;ipchains&nbsp;-A&nbsp;forward&nbsp;-s&nbsp;192.168.5.0/24&nbsp;-j&nbsp;MASQ&nbsp;</I><BR>&nbsp;<BR>&nbsp;<BR>--&nbsp;<BR>=============================&nbsp;<BR>&nbsp;&nbsp;&nbsp;满纸荒唐言，一把辛酸泪。&nbsp;<BR>&nbsp;&nbsp;&nbsp;都云作者痴，谁解其中味？&nbsp;<BR>-----------------------------&nbsp;<BR>&nbsp;<BR>※&nbsp;来源:·BBS&nbsp;水木清华站&nbsp;smth.org·[FROM:&nbsp;202.120.21.11]&nbsp;<BR><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER></BODY></HTML>
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