RMI客户端登录，首次链接非常慢，登陆之后就变回正常，Tcpdump
1 0.000000 192.168.20.231 192.168.18.71 TCP 66 50461 → 2088 [SYN] Seq=0 Win=8192 Len=0 MSS=1360 WS=256 SACK_PERM=1
2 0.000059 192.168.18.71 192.168.20.231 TCP 66 2088 → 50461 [SYN, ACK] Seq=0 Ack=1 Win=29200 Len=0 MSS=1460 SACK_PERM=1 WS=1024
3 0.043137 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [ACK] Seq=1 Ack=1 Win=66560 Len=0
4 0.044078 192.168.20.231 192.168.18.71 TCP 61 50461 → 2088 [PSH, ACK] Seq=1 Ack=1 Win=66560 Len=7
5 0.044103 192.168.18.71 192.168.20.231 TCP 54 2088 → 50461 [ACK] Seq=1 Ack=8 Win=29696 Len=0
6 0.044475 192.168.18.71 192.168.20.231 TCP 75 2088 → 50461 [PSH, ACK] Seq=1 Ack=8 Win=29696 Len=21
7 0.086979 192.168.20.231 192.168.18.71 TCP 70 50461 → 2088 [PSH, ACK] Seq=8 Ack=22 Win=66560 Len=16
8 0.089585 192.168.20.231 192.168.18.71 TCP 114 50461 → 2088 [PSH, ACK] Seq=24 Ack=22 Win=66560 Len=60
9 0.089652 192.168.18.71 192.168.20.231 TCP 54 2088 → 50461 [ACK] Seq=22 Ack=84 Win=29696 Len=0
10 0.090139 192.168.18.71 192.168.20.231 TCP 2774 2088 → 50461 [ACK] Seq=22 Ack=84 Win=29696 Len=2720
11 0.090148 192.168.18.71 192.168.20.231 TCP 2774 2088 → 50461 [ACK] Seq=2742 Ack=84 Win=29696 Len=2720
12 0.090152 192.168.18.71 192.168.20.231 TCP 1865 2088 → 50461 [PSH, ACK] Seq=5462 Ack=84 Win=29696 Len=1811
13 0.090300 192.168.18.71 192.168.20.231 TCP 2774 2088 → 50461 [ACK] Seq=7273 Ack=84 Win=29696 Len=2720
14 0.090306 192.168.18.71 192.168.20.231 TCP 2774 2088 → 50461 [ACK] Seq=9993 Ack=84 Win=29696 Len=2720
15 0.133132 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [ACK] Seq=84 Ack=2742 Win=66560 Len=0
16 0.133172 192.168.18.71 192.168.20.231 TCP 2343 2088 → 50461 [PSH, ACK] Seq=12713 Ack=84 Win=29696 Len=2289
17 0.133984 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [ACK] Seq=84 Ack=5462 Win=66560 Len=0
18 0.139666 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [ACK] Seq=84 Ack=7273 Win=66560 Len=0
19 0.139758 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [ACK] Seq=84 Ack=9993 Win=66560 Len=0
20 0.139930 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [ACK] Seq=84 Ack=12713 Win=66560 Len=0
21 0.176396 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [ACK] Seq=84 Ack=15002 Win=66560 Len=0
22 0.211838 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [PSH, ACK] Seq=84 Ack=15002 Win=66560 Len=1
23 0.211935 192.168.18.71 192.168.20.231 TCP 55 2088 → 50461 [PSH, ACK] Seq=15002 Ack=85 Win=29696 Len=1
24 0.456471 192.168.18.71 192.168.20.231 TCP 55 [TCP Keep-Alive] 2088 → 50461 [PSH, ACK] Seq=15002 Ack=85 Win=29696 Len=1
25 0.557710 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [RST, ACK] Seq=85 Ack=15003 Win=2105344 Len=0
26 1.158858 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [RST, ACK] Seq=85 Ack=15003 Win=2105344 Len=0
27 2.359409 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [RST, ACK] Seq=85 Ack=15003 Win=2105344 Len=0
28 4.759211 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [RST, ACK] Seq=85 Ack=15003 Win=2105344 Len=0
29 9.560060 192.168.20.231 192.168.18.71 TCP 56 50461 → 2088 [RST, ACK] Seq=85 Ack=15003 Win=2105344 Len=0
30 19.164178 192.168.20.231 192.168.18.71 TCP 66 50481 → 2088 [SYN] Seq=0 Win=8192 Len=0 MSS=1360 WS=256 SACK_PERM=1