b2d的ssh外部連線設定


	b2d的ssh外部連線設定
hcchen2u
7-15-2008 10:18 AM
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tags:
linux
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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/3adc444c-6f67-4aac-8732-d12677d9eb91/2F31BD3C-4167-4FE8-B27D-45269D410DBF/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://faq.serverdiy.org/simple/index.php?t40.html" href="http://faq.serverdiy.org/simple/index.php?t40.html" style="font-size: 11px;">faq.serverdiy.org</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html"><table background="undefined" bgcolor=""><tr><TD bgcolor="#ffffff"><B><A href="http://faq.serverdiy.org/simple/index.php?">ServerDIY </A> -&gt; <A href="http://faq.serverdiy.org/simple/index.php?f6.html">B2D Linux 免費方案</A> -&gt; <A href="http://faq.serverdiy.org/simple/index.php?t40.html">如何允許由各地連入 22 port 操作 ssh ?</A></B>
</TD></tr></table></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html"><DIV>
server 嘛，就是希望能夠從遠端操作，偏偏 b2d 預設只允許同網段進入 ssh 操作，什麼叫同網段? 就是只能在內部，假設 server 是 192.168.0.50 / 24 ，則所有 192.168.0.1 ~ 192.168.0.254 的主機都允許連入 server 的 ssh 22 port。</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html"><DIV>書上這樣寫著，請編輯 /etc/init.d/rc.local 檔，所以我先在內部的其他電腦 192.168.0.200的主機(這是我的 windows ，用 putty 軟體連線 ssh 登入 B2D後，用  vi 打開 rc.local 檔)</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html"><DIV>找到這幾行後，如下，第一行是我加上去的：</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html"><FONT color="red">$IPTABLES -A INPUT -p tcp -s 0.0.0.0/0 --dport 22 -j ACCEPT</FONT></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html">$IPTABLES -A INPUT -p tcp -s 192.168.0.0/24 --dport 22 -j ACCEPT<BR />$IPTABLES -A INPUT -p tcp -s 127.0.0.1 --dport 22 -j ACCEPT<BR /><DIV>$IPTABLES -A INPUT -p tcp --dport 22 -j DROP</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html"><DIV>然後，再下一行指令</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html"><DIV>#/etc/init.d/rc.local 按下 enter </DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html"><DIV>讓防火牆重新生效即可</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html"><DIV>tcp -s 0.0.0.0/0 這一行代表所有的 ip，如果您只要設定你家的ip，您可以寫 tcp -s 61.66.122.12</DIV></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://faq.serverdiy.org/simple/index.php?t40.html">我是假設 61.66.122.12 是你家ip哦，你不要照抄哦，不然你會昏倒，怎麼弄都弄不出來，呵~</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/2F31BD3C-4167-4FE8-B27D-45269D410DBF/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>
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