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man 这样写的
[!] -f, --fragment
This means that the rule only refers to second and further fragments of fragmented packets. Since there is no way to tell the source or
destination ports of such a packet (or ICMP type), such a packet will not match any rules which specify them. When the "!" argument pre‐
cedes the "-f" flag, the rule will only match head fragments, or unfragmented packets.
我在apache服务器上配置了一条:
iptables -A OUTPUT -f -d 192.168.1.2
192.168.1.2是我的终端,我在终端上访问服务器上一个大页面,抓包确定http响应发回的时候数据包做了分段,但是之后用iptables -L -v看,没有一个包匹配到上述的规则,这个-f参数到底是什么意思?用来做什么的? |
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