keepalive=60 tcpdump -n port 2000 19:50:44.683385 IP 192.168.38.20.2000 > 192.168.164.154.10056: F 4141913717:4141913717(0) ack 2107717626 win 6656 19:50:44.907058 IP 192.168.38.20.2000 > 192.168.164.154.10056: F 0:0(0) ack 1 win 6656 19:50:45.155271 IP 192.168.164.154.10056 > 192.168.38.20.2000: . ack 1 win 16384 19:50:45.158046 IP 192.168.164.154.10056 > 192.168.38.20.2000: . ack 1 win 16384 19:50:45.181499 IP 192.168.164.154.10056 > 192.168.38.20.2000: R 1:1(0) ack 1 win 16384 19:50:47.227206 IP 192.168.164.154.10060 > 192.168.38.20.2000: S 2125445053:2125445053(0) win 16384 19:50:47.227449 IP 192.168.38.20.2000 > 192.168.164.154.10060: S 4234539920:4234539920(0) ack 2125445054 win 5840 19:50:47.243566 IP 192.168.164.154.10060 > 192.168.38.20.2000: . ack 1 win 16384 19:50:47.258340 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 1:105(104) ack 1 win 16384 19:50:47.258480 IP 192.168.38.20.2000 > 192.168.164.154.10060: . ack 105 win 5840 19:50:47.266739 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 105:161(56) ack 1 win 16384 19:50:47.266842 IP 192.168.38.20.2000 > 192.168.164.154.10060: . ack 161 win 5840 19:50:47.267207 IP 192.168.38.20.2000 > 192.168.164.154.10060: P 1:33(32) ack 161 win 5840 19:50:47.267321 IP 192.168.38.20.2000 > 192.168.164.154.10060: P 33:45(12) ack 161 win 5840 19:50:47.286495 IP 192.168.164.154.10060 > 192.168.38.20.2000: . ack 45 win 16348 19:50:47.343061 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 161:177(16) ack 45 win 16384 19:50:47.376237 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 177:193(16) ack 45 win 16384 19:50:47.376327 IP 192.168.38.20.2000 > 192.168.164.154.10060: . ack 193 win 5840 19:50:47.410793 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 193:205(12) ack 45 win 16384 19:50:47.410983 IP 192.168.38.20.2000 > 192.168.164.154.10060: P 45:73(28) ack 205 win 5840 19:50:47.456027 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 205:509(304) ack 73 win 16384 19:50:47.458789 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 509:521(12) ack 73 win 16384 19:50:47.459184 IP 192.168.38.20.2000 > 192.168.164.154.10060: P 73:181(108) ack 521 win 6656 19:50:47.476882 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 521:533(12) ack 181 win 16384 19:50:47.477082 IP 192.168.38.20.2000 > 192.168.164.154.10060: . 181:693(512) ack 533 win 6656 19:50:47.477376 IP 192.168.38.20.2000 > 192.168.164.154.10060: P 693:845(152) ack 533 win 6656 19:50:47.500289 IP 192.168.164.154.10060 > 192.168.38.20.2000: . ack 845 win 15728 19:50:47.510180 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 533:549(16) ack 845 win 16384 19:50:47.510366 IP 192.168.38.20.2000 > 192.168.164.154.10060: P 845:933(88) ack 549 win 6656 19:50:47.544577 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 549:561(12) ack 933 win 16384 19:50:47.544768 IP 192.168.38.20.2000 > 192.168.164.154.10060: . 933:1445(512) ack 561 win 6656 19:50:47.545063 IP 192.168.38.20.2000 > 192.168.164.154.10060: P 1445:1729(284) ack 561 win 6656 19:50:47.545295 IP 192.168.38.20.2000 > 192.168.164.154.10060: P 1729:1757(28) ack 561 win 6656 19:50:47.570080 IP 192.168.164.154.10060 > 192.168.38.20.2000: . ack 1757 win 15568 19:50:47.610864 IP 192.168.164.154.10060 > 192.168.38.20.2000: P 561:573(12) ack 1757 win 16384 19:50:47.611073 IP 192.168.38.20.2000 > 192.168.164.154.10060: P 1757:1805(48) ack 573 win 6656 19:50:47.692341 IP 192.168.164.154.10060 > 192.168.38.20.2000: . ack 1805 win 16384 19:51:53.618883 IP 192.168.38.20.2000 > 192.168.164.154.10060: F 1805:1805(0) ack 573 win 6656 19:51:53.850629 IP 192.168.38.20.2000 > 192.168.164.154.10060: F 1805:1805(0) ack 573 win 6656 19:51:54.314720 IP 192.168.38.20.2000 > 192.168.164.154.10060: F 1805:1805(0) ack 573 win 6656 19:51:55.145261 IP 192.168.164.154.10060 > 192.168.38.20.2000: . ack 1806 win 16384 19:51:55.148444 IP 192.168.164.154.10060 > 192.168.38.20.2000: . ack 1806 win 16384 19:51:55.152094 IP 192.168.164.154.10060 > 192.168.38.20.2000: . ack 1806 win 16384 19:51:55.165136 IP 192.168.164.154.10060 > 192.168.38.20.2000: R 573:573(0) ack 1806 win 16384 19:51:57.201110 IP 192.168.164.154.10061 > 192.168.38.20.2000: S 2143429053:2143429053(0) win 16384 19:51:57.201333 IP 192.168.38.20.2000 > 192.168.164.154.10061: S 138197:138197(0) ack 2143429054 win 5840 19:51:57.217190 IP 192.168.164.154.10061 > 192.168.38.20.2000: . ack 1 win 16384 19:51:57.232511 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 1:105(104) ack 1 win 16384 19:51:57.232655 IP 192.168.38.20.2000 > 192.168.164.154.10061: . ack 105 win 5840 19:51:57.237300 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 105:161(56) ack 1 win 16384 19:51:57.237401 IP 192.168.38.20.2000 > 192.168.164.154.10061: . ack 161 win 5840 19:51:57.237797 IP 192.168.38.20.2000 > 192.168.164.154.10061: P 1:33(32) ack 161 win 5840 19:51:57.237903 IP 192.168.38.20.2000 > 192.168.164.154.10061: P 33:45(12) ack 161 win 5840 19:51:57.258951 IP 192.168.164.154.10061 > 192.168.38.20.2000: . ack 45 win 16348 19:51:57.318477 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 161:177(16) ack 45 win 16384 19:51:57.349917 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 177:193(16) ack 45 win 16384 19:51:57.350011 IP 192.168.38.20.2000 > 192.168.164.154.10061: . ack 193 win 5840 19:51:57.382805 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 193:205(12) ack 45 win 16384 19:51:57.383000 IP 192.168.38.20.2000 > 192.168.164.154.10061: P 45:73(28) ack 205 win 5840 19:51:57.430244 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 205:509(304) ack 73 win 16384 19:51:57.432779 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 509:521(12) ack 73 win 16384 19:51:57.433170 IP 192.168.38.20.2000 > 192.168.164.154.10061: P 73:181(108) ack 521 win 6656 19:51:57.450715 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 521:533(12) ack 181 win 16276 19:51:57.450904 IP 192.168.38.20.2000 > 192.168.164.154.10061: . 181:693(512) ack 533 win 6656 19:51:57.451224 IP 192.168.38.20.2000 > 192.168.164.154.10061: P 693:845(152) ack 533 win 6656 19:51:57.472385 IP 192.168.164.154.10061 > 192.168.38.20.2000: . ack 845 win 15728 19:51:57.485820 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 533:549(16) ack 845 win 16384 19:51:57.486004 IP 192.168.38.20.2000 > 192.168.164.154.10061: P 845:933(88) ack 549 win 6656 19:51:57.518936 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 549:561(12) ack 933 win 16384 19:51:57.519131 IP 192.168.38.20.2000 > 192.168.164.154.10061: . 933:1445(512) ack 561 win 6656 19:51:57.519448 IP 192.168.38.20.2000 > 192.168.164.154.10061: P 1445:1729(284) ack 561 win 6656 19:51:57.519658 IP 192.168.38.20.2000 > 192.168.164.154.10061: P 1729:1757(28) ack 561 win 6656 19:51:57.542095 IP 192.168.164.154.10061 > 192.168.38.20.2000: . ack 1757 win 15568 19:51:57.583430 IP 192.168.164.154.10061 > 192.168.38.20.2000: P 561:573(12) ack 1757 win 16384 19:51:57.583642 IP 192.168.38.20.2000 > 192.168.164.154.10061: P 1757:1805(48) ack 573 win 6656 19:51:57.682619 IP 192.168.164.154.10061 > 192.168.38.20.2000: . ack 1805 win 16384 keepalive=120 tcpdump -n port 2000 19:54:52.633048 IP 192.168.38.20.2000 > 192.168.164.154.10063: F 41434866:41434866(0) ack 2154565626 win 6656 19:54:52.860689 IP 192.168.38.20.2000 > 192.168.164.154.10063: F 0:0(0) ack 1 win 6656 19:54:53.117784 IP 192.168.164.154.10063 > 192.168.38.20.2000: . ack 1 win 16384 19:54:53.121377 IP 192.168.164.154.10063 > 192.168.38.20.2000: . ack 1 win 16384 19:54:53.124362 IP 192.168.164.154.10063 > 192.168.38.20.2000: R 1:1(0) ack 1 win 16384 19:54:55.180788 IP 192.168.164.154.10064 > 192.168.38.20.2000: S 2189189053:2189189053(0) win 16384 19:54:55.181004 IP 192.168.38.20.2000 > 192.168.164.154.10064: S 183131486:183131486(0) ack 2189189054 win 5840 19:54:55.196468 IP 192.168.164.154.10064 > 192.168.38.20.2000: . ack 1 win 16384 19:54:55.212994 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 1:105(104) ack 1 win 16384 19:54:55.213152 IP 192.168.38.20.2000 > 192.168.164.154.10064: . ack 105 win 5840 19:54:55.221212 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 105:161(56) ack 1 win 16384 19:54:55.221300 IP 192.168.38.20.2000 > 192.168.164.154.10064: . ack 161 win 5840 19:54:55.221678 IP 192.168.38.20.2000 > 192.168.164.154.10064: P 1:33(32) ack 161 win 5840 19:54:55.221808 IP 192.168.38.20.2000 > 192.168.164.154.10064: P 33:45(12) ack 161 win 5840 19:54:55.241400 IP 192.168.164.154.10064 > 192.168.38.20.2000: . ack 45 win 16348 19:54:55.308734 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 161:177(16) ack 45 win 16384 19:54:55.342192 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 177:193(16) ack 45 win 16384 19:54:55.342293 IP 192.168.38.20.2000 > 192.168.164.154.10064: . ack 193 win 5840 19:54:55.375056 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 193:205(12) ack 45 win 16384 19:54:55.375267 IP 192.168.38.20.2000 > 192.168.164.154.10064: P 45:73(28) ack 205 win 5840 19:54:55.423722 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 205:509(304) ack 73 win 16384 19:54:55.426728 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 509:521(12) ack 73 win 16384 19:54:55.427123 IP 192.168.38.20.2000 > 192.168.164.154.10064: P 73:181(108) ack 521 win 6656 19:54:55.444819 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 521:533(12) ack 73 win 16384 19:54:55.445007 IP 192.168.38.20.2000 > 192.168.164.154.10064: . 181:693(512) ack 533 win 6656 19:54:55.458315 IP 192.168.164.154.10064 > 192.168.38.20.2000: . ack 181 win 16384 19:54:55.458428 IP 192.168.38.20.2000 > 192.168.164.154.10064: P 693:845(152) ack 533 win 6656 19:54:55.477837 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 533:549(16) ack 845 win 16232 19:54:55.478022 IP 192.168.38.20.2000 > 192.168.164.154.10064: P 845:933(88) ack 549 win 6656 19:54:55.509561 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 549:561(12) ack 933 win 16384 19:54:55.509779 IP 192.168.38.20.2000 > 192.168.164.154.10064: . 933:1445(512) ack 561 win 6656 19:54:55.510103 IP 192.168.38.20.2000 > 192.168.164.154.10064: P 1445:1729(284) ack 561 win 6656 19:54:55.510311 IP 192.168.38.20.2000 > 192.168.164.154.10064: P 1729:1757(28) ack 561 win 6656 19:54:55.532688 IP 192.168.164.154.10064 > 192.168.38.20.2000: . ack 1757 win 15568 19:54:55.575535 IP 192.168.164.154.10064 > 192.168.38.20.2000: P 561:573(12) ack 1757 win 16384 19:54:55.575756 IP 192.168.38.20.2000 > 192.168.164.154.10064: P 1757:1805(48) ack 573 win 6656 19:54:55.658323 IP 192.168.164.154.10064 > 192.168.38.20.2000: . ack 1805 win 16384 19:57:07.595619 IP 192.168.38.20.2000 > 192.168.164.154.10064: F 1805:1805(0) ack 573 win 6656 19:57:07.827352 IP 192.168.38.20.2000 > 192.168.164.154.10064: F 1805:1805(0) ack 573 win 6656 19:57:08.291437 IP 192.168.38.20.2000 > 192.168.164.154.10064: F 1805:1805(0) ack 573 win 6656 19:57:09.100346 IP 192.168.164.154.10064 > 192.168.38.20.2000: . ack 1806 win 16384 19:57:09.104194 IP 192.168.164.154.10064 > 192.168.38.20.2000: . ack 1806 win 16384 19:57:09.107086 IP 192.168.164.154.10064 > 192.168.38.20.2000: . ack 1806 win 16384 19:57:09.121963 IP 192.168.164.154.10064 > 192.168.38.20.2000: R 573:573(0) ack 1806 win 16384 19:57:11.172812 IP 192.168.164.154.10065 > 192.168.38.20.2000: S 2224069053:2224069053(0) win 16384 19:57:11.173031 IP 192.168.38.20.2000 > 192.168.164.154.10065: S 337400221:337400221(0) ack 2224069054 win 5840 19:57:11.188856 IP 192.168.164.154.10065 > 192.168.38.20.2000: . ack 1 win 16384 19:57:11.205803 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 1:105(104) ack 1 win 16384 19:57:11.205943 IP 192.168.38.20.2000 > 192.168.164.154.10065: . ack 105 win 5840 19:57:11.214017 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 105:161(56) ack 1 win 16384 19:57:11.214108 IP 192.168.38.20.2000 > 192.168.164.154.10065: . ack 161 win 5840 19:57:11.214505 IP 192.168.38.20.2000 > 192.168.164.154.10065: P 1:33(32) ack 161 win 5840 19:57:11.214612 IP 192.168.38.20.2000 > 192.168.164.154.10065: P 33:45(12) ack 161 win 5840 19:57:11.232299 IP 192.168.164.154.10065 > 192.168.38.20.2000: . ack 45 win 16348 19:57:11.288625 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 161:177(16) ack 45 win 16384 19:57:11.323073 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 177:193(16) ack 45 win 16384 19:57:11.323169 IP 192.168.38.20.2000 > 192.168.164.154.10065: . ack 193 win 5840 19:57:11.356317 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 193:205(12) ack 45 win 16384 19:57:11.356514 IP 192.168.38.20.2000 > 192.168.164.154.10065: P 45:73(28) ack 205 win 5840 19:57:11.401339 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 205:509(304) ack 73 win 16384 19:57:11.404326 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 509:521(12) ack 73 win 16384 19:57:11.404716 IP 192.168.38.20.2000 > 192.168.164.154.10065: P 73:181(108) ack 521 win 6656 19:57:11.422670 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 521:533(12) ack 181 win 16276 19:57:11.422865 IP 192.168.38.20.2000 > 192.168.164.154.10065: . 181:693(512) ack 533 win 6656 19:57:11.423161 IP 192.168.38.20.2000 > 192.168.164.154.10065: P 693:845(152) ack 533 win 6656 19:57:11.445478 IP 192.168.164.154.10065 > 192.168.38.20.2000: . ack 845 win 15728 19:57:11.455491 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 533:549(16) ack 845 win 16384 19:57:11.455682 IP 192.168.38.20.2000 > 192.168.164.154.10065: P 845:933(88) ack 549 win 6656 19:57:11.490272 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 549:561(12) ack 933 win 16384 19:57:11.490470 IP 192.168.38.20.2000 > 192.168.164.154.10065: . 933:1445(512) ack 561 win 6656 19:57:11.490794 IP 192.168.38.20.2000 > 192.168.164.154.10065: P 1445:1729(284) ack 561 win 6656 19:57:11.491004 IP 192.168.38.20.2000 > 192.168.164.154.10065: P 1729:1757(28) ack 561 win 6656 19:57:11.511876 IP 192.168.164.154.10065 > 192.168.38.20.2000: . ack 1757 win 15568 19:57:11.556610 IP 192.168.164.154.10065 > 192.168.38.20.2000: P 561:573(12) ack 1757 win 16384 19:57:11.556832 IP 192.168.38.20.2000 > 192.168.164.154.10065: P 1757:1805(48) ack 573 win 6656 19:57:11.637863 IP 192.168.164.154.10065 > 192.168.38.20.2000: . ack 1805 win 16384