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回復 1# energywu
不知道你說的什么意思。但是iptable可以添加一個規(guī)則,就是-j reject --reject-with ,你說的有點類似這種情況,看看你的iptable里面有沒有這樣的規(guī)則
--reject-with type
The type given can be icmp-net-unreachable, icmp-host-unreach-
able, icmp-port-unreachable, icmp-proto-unreachable,
icmp-net-prohibited, icmp-host-prohibited or icmp-admin-prohib-
ited (*) which return the appropriate ICMP error message
(port-unreachable is the default). The option tcp-reset can be
used on rules which only match the TCP protocol: this causes a
TCP RST packet to be sent back. This is mainly useful for
blocking ident (113/tcp) probes which frequently occur when
sending mail to broken mail hosts (which won’t accept your mail
otherwise).
(*) Using icmp-admin-prohibited with kernels that do not support it
will result in a plain DROP instead of REJECT
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