3.316720: FullTcp(_o92): recv'd pkt in CLOSED state: [20:0.0>3.0] (hlen:40, dlen:0, seq:2682, ack:2, flags:0x18 (<PSH,ACK>), salen:0, reason:0x0) + 0.70504 2 3 tcp 40 ------- 0 0.0 3.0 0 0 -1 0xa 40 0 + 0.80544 3 2 ack 40 ------- 0 3.0 0.0 0 1 1 0x1a 40 0 + 0.91592 2 3 tcp 40 ------- 0 0.0 3.0 1 2 1 0x10 40 0 + 0.916496 2 3 tcp 576 ------- 0 0.0 3.0 1 3 1 0x10 40 0 + 0.917072 2 3 tcp 576 ------- 0 0.0 3.0 537 4 1 0x10 40 0 + 1.022256 3 2 ack 40 ------- 0 3.0 0.0 1 5 537 0x18 40 0 + 1.028016 3 2 ack 40 ------- 0 3.0 0.0 1 6 1073 0x18 40 0 + 1.133272 2 3 tcp 576 ------- 0 0.0 3.0 1073 7 1 0x10 40 0 + 1.133848 2 3 tcp 576 ------- 0 0.0 3.0 1609 8 1 0x10 40 0 + 1.139032 2 3 tcp 576 ------- 0 0.0 3.0 2145 9 1 0x18 40 0 + 1.239032 3 2 ack 40 ------- 0 3.0 0.0 1 10 1609 0x18 40 0 + 1.244792 3 2 ack 40 ------- 0 3.0 0.0 1 11 2145 0x18 40 0 + 1.250552 3 2 ack 40 ------- 0 3.0 0.0 1 12 2681 0x18 40 0 + 2.00504 2 3 tcp 40 ------- 0 0.0 3.0 2681 13 1 0x19 40 0 FIN d 2.10544 3 2 ack 40 ------- 0 3.0 0.0 1 14 2682 0x18 40 0 DROP d 2.10544 3 2 ack 40 ------- 0 3.0 0.0 1 15 2682 0x19 40 0 DROP passive FIN + 3.00504 2 3 tcp 40 ------- 0 0.0 3.0 2681 16 1 0x19 40 0 REXMT FIN + 3.10544 3 2 ack 40 ------- 0 3.0 0.0 1 17 2682 0x19 40 0 REXMT passive FIN + 3.10544 3 2 ack 40 ------- 0 3.0 0.0 1 18 2681 0x19 40 0 ACK FIN (wrong ACKno) + 3.21592 2 3 tcp 40 ------- 0 0.0 3.0 2682 19 2 0x18 40 0 last ACK + 3.21632 2 3 tcp 40 ------- 0 0.0 3.0 2682 20 2 0x18 40 0 additional ACKAfter Fix
+ 0.70504 2 3 tcp 40 ------- 0 0.0 3.0 0 0 -1 0xa 40 0 + 0.80544 3 2 ack 40 ------- 0 3.0 0.0 0 1 1 0x1a 40 0 + 0.91592 2 3 tcp 40 ------- 0 0.0 3.0 1 2 1 0x10 40 0 + 0.916496 2 3 tcp 576 ------- 0 0.0 3.0 1 3 1 0x10 40 0 + 0.917072 2 3 tcp 576 ------- 0 0.0 3.0 537 4 1 0x10 40 0 + 1.022256 3 2 ack 40 ------- 0 3.0 0.0 1 5 537 0x18 40 0 + 1.028016 3 2 ack 40 ------- 0 3.0 0.0 1 6 1073 0x18 40 0 + 1.133272 2 3 tcp 576 ------- 0 0.0 3.0 1073 7 1 0x10 40 0 + 1.133848 2 3 tcp 576 ------- 0 0.0 3.0 1609 8 1 0x10 40 0 + 1.139032 2 3 tcp 576 ------- 0 0.0 3.0 2145 9 1 0x18 40 0 + 1.239032 3 2 ack 40 ------- 0 3.0 0.0 1 10 1609 0x18 40 0 + 1.244792 3 2 ack 40 ------- 0 3.0 0.0 1 11 2145 0x18 40 0 + 1.250552 3 2 ack 40 ------- 0 3.0 0.0 1 12 2681 0x18 40 0 + 2.00504 2 3 tcp 40 ------- 0 0.0 3.0 2681 13 1 0x19 40 0 FIN d 2.10544 3 2 ack 40 ------- 0 3.0 0.0 1 14 2682 0x18 40 0 DROP d 2.10544 3 2 ack 40 ------- 0 3.0 0.0 1 15 2682 0x19 40 0 DROP passive FIN + 3.00504 2 3 tcp 40 ------- 0 0.0 3.0 2681 16 1 0x19 40 0 REXMT FIN + 3.10544 3 2 ack 40 ------- 0 3.0 0.0 1 17 2682 0x19 40 0 REXMT passive FIN + 3.21592 2 3 tcp 40 ------- 0 0.0 3.0 2682 18 2 0x18 40 0 last ACK
6.805440: FullTcpAgent::recv(_o92) got packet lacking ACK (state:3): [2:0.0>3.0] (hlen:40, dlen:-1, seq:1, ack:-1, flags:0xa (<PSH,SYN>), salen:0, reason:0x4) + 0.70504 2 3 tcp 40 ------- 0 0.0 3.0 0 0 -1 0xa 40 0 d 0.80544 3 2 ack 40 ------- 0 3.0 0.0 0 1 1 0x1a 40 0 + 6.70504 2 3 tcp 40 ------- 0 0.0 3.0 0 2 -1 0xa 40 0 + 6.80544 3 2 ack 40 ------- 0 3.0 0.0 0 3 1 0x1a 40 0 + 6.91592 2 3 tcp 40 ------- 0 0.0 3.0 1 4 1 0x10 40 0 + 6.916496 2 3 tcp 576 ------- 0 0.0 3.0 1 5 1 0x10 40 0 + 6.917072 2 3 tcp 576 ------- 0 0.0 3.0 537 6 1 0x10 40 0After Fix:
No error message
+ 0.70504 2 3 tcp 40 ------- 0 0.0 3.0 0 0 -1 0xa 40 0 + 0.80544 3 2 ack 40 ------- 0 3.0 0.0 0 1 1 0x1a 40 0 + 0.91592 2 3 tcp 40 ------- 0 0.0 3.0 1 2 1 0x10 40 0 + 0.916496 2 3 tcp 576 ------- 0 0.0 3.0 1 3 1 0x10 40 0 + 0.917072 2 3 tcp 576 ------- 0 0.0 3.0 537 4 1 0x10 40 0 + 1.022256 3 2 ack 40 ------- 0 3.0 0.0 1 5 537 0x18 40 0 + 1.028016 3 2 ack 40 ------- 0 3.0 0.0 1 6 1073 0x18 40 0 + 1.133272 2 3 tcp 576 ------- 0 0.0 3.0 1073 7 1 0x10 40 0 + 1.133848 2 3 tcp 576 ------- 0 0.0 3.0 1609 8 1 0x10 40 0 + 1.139032 2 3 tcp 576 ------- 0 0.0 3.0 2145 9 1 0x18 40 0 + 1.239032 3 2 ack 40 ------- 0 3.0 0.0 1 10 1609 0x18 40 0 + 1.244792 3 2 ack 40 ------- 0 3.0 0.0 1 11 2145 0x18 40 0 + 1.250552 3 2 ack 40 ------- 0 3.0 0.0 1 12 2681 0x18 40 0 + 1.361432 2 3 tcp 440 ------- 0 0.0 3.0 2681 13 1 0x18 40 0 last DATA packet (size 440 bytes) + 1.361872 2 3 tcp 440 ------- 0 0.0 3.0 2681 14 1 0x19 40 0 FIN (size 440 bytes) + 1.470232 3 2 ack 40 ------- 0 3.0 0.0 1 15 3082 0x18 40 0 + 1.470232 3 2 ack 40 ------- 0 3.0 0.0 1 16 3082 0x19 40 0 + 1.581112 2 3 tcp 40 ------- 0 0.0 3.0 3082 17 2 0x18 40 0After Fix:
+ 0.70504 2 3 tcp 40 ------- 0 0.0 3.0 0 0 -1 0xa 40 0 + 0.80544 3 2 ack 40 ------- 0 3.0 0.0 0 1 1 0x1a 40 0 + 0.91592 2 3 tcp 40 ------- 0 0.0 3.0 1 2 1 0x10 40 0 + 0.916496 2 3 tcp 576 ------- 0 0.0 3.0 1 3 1 0x10 40 0 + 0.917072 2 3 tcp 576 ------- 0 0.0 3.0 537 4 1 0x10 40 0 + 1.022256 3 2 ack 40 ------- 0 3.0 0.0 1 5 537 0x18 40 0 + 1.028016 3 2 ack 40 ------- 0 3.0 0.0 1 6 1073 0x18 40 0 + 1.133272 2 3 tcp 576 ------- 0 0.0 3.0 1073 7 1 0x10 40 0 + 1.133848 2 3 tcp 576 ------- 0 0.0 3.0 1609 8 1 0x10 40 0 + 1.139032 2 3 tcp 576 ------- 0 0.0 3.0 2145 9 1 0x18 40 0 + 1.239032 3 2 ack 40 ------- 0 3.0 0.0 1 10 1609 0x18 40 0 + 1.244792 3 2 ack 40 ------- 0 3.0 0.0 1 11 2145 0x18 40 0 + 1.250552 3 2 ack 40 ------- 0 3.0 0.0 1 12 2681 0x18 40 0 + 1.361432 2 3 tcp 440 ------- 0 0.0 3.0 2681 13 1 0x18 40 0 last DATA packet (size 440 bytes) + 1.361472 2 3 tcp 40 ------- 0 0.0 3.0 3081 14 1 0x19 40 0 FIN (size 40 bytes) + 1.466232 3 2 ack 40 ------- 0 3.0 0.0 1 15 3082 0x18 40 0 + 1.466232 3 2 ack 40 ------- 0 3.0 0.0 1 16 3082 0x19 40 0 + 1.577112 2 3 tcp 40 ------- 0 0.0 3.0 3082 17 2 0x18 40 0
3.210880: FullTcp(_o91): recv'd pkt in CLOSED state: [13:3.0>0.0] (hlen:40, dlen:0, seq:1, ack:1610, flags:0x19 (<PSH,ACK,FIN>), salen:0, reason:0x4) 5.210880: FullTcp(_o91): recv'd pkt in CLOSED state: [14:3.0>0.0] (hlen:40, dlen:0, seq:1, ack:1610, flags:0x19 (<PSH,ACK,FIN>), salen:0, reason:0x4) 9.210880: FullTcp(_o91): recv'd pkt in CLOSED state: [15:3.0>0.0] (hlen:40, dlen:0, seq:1, ack:1610, flags:0x19 (<PSH,ACK,FIN>), salen:0, reason:0x4) 17.210880: FullTcp(_o91): recv'd pkt in CLOSED state: [16:3.0>0.0] (hlen:40, dlen:0, seq:1, ack:1610, flags:0x19 (<PSH,ACK,FIN>), salen:0, reason:0x4) 33.210880: FullTcp(_o91): recv'd pkt in CLOSED state: [17:3.0>0.0] (hlen:40, dlen:0, seq:1, ack:1610, flags:0x19 (<PSH,ACK,FIN>), salen:0, reason:0x4) + 0.70504 2 3 tcp 40 ------- 0 0.0 3.0 0 0 -1 0xa 40 0 + 0.80544 3 2 ack 40 ------- 0 3.0 0.0 0 1 1 0x1a 40 0 + 0.91592 2 3 tcp 40 ------- 0 0.0 3.0 1 2 1 0x10 40 0 + 0.916496 2 3 tcp 576 ------- 0 0.0 3.0 1 3 1 0x10 40 0 + 0.917072 2 3 tcp 576 ------- 0 0.0 3.0 537 4 1 0x10 40 0 + 1.022256 3 2 ack 40 ------- 0 3.0 0.0 1 5 537 0x18 40 0 + 1.028016 3 2 ack 40 ------- 0 3.0 0.0 1 6 1073 0x18 40 0 + 1.133272 2 3 tcp 576 ------- 0 0.0 3.0 1073 7 1 0x18 40 0 + 1.239032 3 2 ack 40 ------- 0 3.0 0.0 1 8 1609 0x18 40 0 + 2.00504 2 3 tcp 40 ------- 0 0.0 3.0 1609 9 1 0x19 40 0 FIN (active closer) + 2.10544 3 2 ack 40 ------- 0 3.0 0.0 1 10 1610 0x18 40 0 ACK + 2.10544 3 2 ack 40 ------- 0 3.0 0.0 1 11 1610 0x19 40 0 FIN (passive closer) d 2.21632 2 3 tcp 40 ------- 0 0.0 3.0 1610 12 2 0x18 40 0 DROP (last ACK) + 3.10544 3 2 ack 40 ------- 0 3.0 0.0 1 13 1610 0x19 40 0 passive closer retransmits FIN forever + 5.10544 3 2 ack 40 ------- 0 3.0 0.0 1 14 1610 0x19 40 0 + 9.10544 3 2 ack 40 ------- 0 3.0 0.0 1 15 1610 0x19 40 0 + 17.10544 3 2 ack 40 ------- 0 3.0 0.0 1 16 1610 0x19 40 0 + 33.10544 3 2 ack 40 ------- 0 3.0 0.0 1 17 1610 0x19 40 0After Fix:
+ 0.70504 2 3 tcp 40 ------- 0 0.0 3.0 0 0 -1 0xa 40 0 + 0.80544 3 2 ack 40 ------- 0 3.0 0.0 0 1 1 0x1a 40 0 + 0.91592 2 3 tcp 40 ------- 0 0.0 3.0 1 2 1 0x10 40 0 + 0.916496 2 3 tcp 576 ------- 0 0.0 3.0 1 3 1 0x10 40 0 + 0.917072 2 3 tcp 576 ------- 0 0.0 3.0 537 4 1 0x10 40 0 + 1.022256 3 2 ack 40 ------- 0 3.0 0.0 1 5 537 0x18 40 0 + 1.028016 3 2 ack 40 ------- 0 3.0 0.0 1 6 1073 0x18 40 0 + 1.133272 2 3 tcp 576 ------- 0 0.0 3.0 1073 7 1 0x18 40 0 + 1.239032 3 2 ack 40 ------- 0 3.0 0.0 1 8 1609 0x18 40 0 + 2.00504 2 3 tcp 40 ------- 0 0.0 3.0 1609 9 1 0x19 40 0 FIN (active closer) + 2.10544 3 2 ack 40 ------- 0 3.0 0.0 1 10 1610 0x18 40 0 ACK + 2.10544 3 2 ack 40 ------- 0 3.0 0.0 1 11 1610 0x19 40 0 FIN (passive closer) d 2.21632 2 3 tcp 40 ------- 0 0.0 3.0 1610 12 2 0x18 40 0 DROP (last ACK) + 3.10544 3 2 ack 40 ------- 0 3.0 0.0 1 13 1610 0x19 40 0 REXMT FIN (passive closer) + 3.21592 2 3 tcp 40 ------- 0 0.0 3.0 1610 14 2 0x18 40 0 ACK