{"version":"1.0","provider_name":"Jui-Nan Lin&#039;s Blog","provider_url":"https:\/\/jnlin.org","author_name":"jnlin","author_url":"https:\/\/jnlin.org\/author\/jnlin\/","title":"\u81ea\u52d5\u64cb\u66b4\u529b try ssh \u7684 script (with pf)","html":"\u5f9e http:\/\/anp.ath.cx\/sshit\/sshit.pl \u6539\u9032\u7684\uff0c\u73fe\u5728\u4e0d\u6703 fork \u4e00\u5806\u51fa\u4f86\u4e86\u3002\r\n\u9019\u500b\u7248\u672c\u662f\u7528 tail -F \u8b80 \/var\/log\/auth.log\uff0c\u8ddf sshit.pl \u7684\u4f5c\u6cd5\u4e0d\u540c\u3002\r\n\r\nLink: <a href=\"http:\/\/www.csie.nctu.edu.tw\/~jnlin\/script\/chkfw_select_pf.txt\">http:\/\/www.csie.nctu.edu.tw\/~jnlin\/script\/chkfw_select_pf.txt<\/a>\r\n\r\n\u4f60\u5fc5\u9808\u8981\u5728 <code>\/etc\/pf.conf<\/code> \u52a0\u4e0a:\r\n<code>\r\ntable &lt;$PF_TABLE&gt; persist\r\nblock on $extdev from &lt;$PF_TABLE&gt; to any \r\n<\/code>\r\n\u624d\u6703\u771f\u6b63 block \u6709\u60e1\u610f\u8005\u7684 IP\u3002\r\n","type":"rich"}