我的solaris10服务器开启防火墙后,编写了ipfilter规则如下:
block in all
pass in log quick proto tcp from any to any port = 1521
pass in log quick proto tcp from xxxxxxxx to any port=ssh
pass in log quick proto tcp from xxxxxxxx to any port=ssh
pass in log quick proto tcp from xxxxxxxx to any port=telnet
pass in log quick proto tcp from xxxxxxxx to any port=22
启用规则后,连接服务器正常,但是该服务器却无法连接其它机器了,我对出去的包也没限制啊
不知是什么原因,望大师们指点!
block in all
pass in log quick proto tcp from any to any port = 1521
pass in log quick proto tcp from xxxxxxxx to any port=ssh
pass in log quick proto tcp from xxxxxxxx to any port=ssh
pass in log quick proto tcp from xxxxxxxx to any port=telnet
pass in log quick proto tcp from xxxxxxxx to any port=22
启用规则后,连接服务器正常,但是该服务器却无法连接其它机器了,我对出去的包也没限制啊
不知是什么原因,望大师们指点!
解决方案 »
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The default way in which filter rules are applied is for the last matching rule to be used as the decision maker. So even if the first rule to match a packet is a pass, if there is a later matching rule that is a block and no further rules match the packet, then it will be blocked即 默认为block的