Date: Wed, 26 Sep 2001 23:09:34 +0800 From: "edwin chan" <slack@suntop-cn.com> To: <freebsd-security@freebsd.org> Subject: what 's the output mean ? maybe I am under attack ? Message-ID: <000701c1469d$436b4d80$9201a8c0@home.net>
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today, when i run "netstat -p tcp" i found something not normal, is it mean
my box under attack ?
$ netstat -p tcp
tcp:
32949909 packets sent
26228892 data packets (553570256 bytes)
998760 data packets (1014872219 bytes) retransmitted
37 resends initiated by MTU discovery
5231789 ack-only packets (0 delayed)
0 URG only packets
27011 window probe packets
43314 window update packets
420146 control packets
22126272 packets received
15191487 acks (for 455329912 bytes)
1713060 duplicate acks
397 acks for unsent data
4281933 packets (3828576231 bytes) received in-sequence
114136 completely duplicate packets (22646316 bytes)
0 old duplicate packets
541 packets with some dup. data (307470 bytes duped)
275937 out-of-order packets (110838044 bytes)
212 packets (54004 bytes) of data after window
0 window probes
270521 window update packets
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