** 1 unneccessary ACK-packet (id 5)
09:43:31.776502 1.2.3.4.32381 > 192.168.0.1.telnet: S 2155971203:2155971203(0) win 1880 <mss 884> (DF) (ttl 255, id 2)
09:43:31.783442 192.168.0.1.telnet > 1.2.3.4.32381: S 3266750423:3266750423(0) ack 2155971204 win 32708 <mss 884> (DF) (ttl 64, id 5031)
09:43:31.896505 1.2.3.4.32381 > 192.168.0.1.telnet: . ack 1 win 1880 (DF) (ttl 255, id 3)
09:44:12.936862 192.168.0.1.telnet > 1.2.3.4.32381: F 1:1(0) ack 1 win 32708 (DF) (ttl 64, id 5038)
09:44:13.056503 1.2.3.4.32381 > 192.168.0.1.telnet: . ack 2 win 1880 (DF) (ttl 255, id 4)
09:44:13.106495 1.2.3.4.32381 > 192.168.0.1.telnet: . ack 2 win 1880 (DF) (ttl 255, id 5)
09:44:13.146512 1.2.3.4.32381 > 192.168.0.1.telnet: F 1:1(0) ack 2 win 1880 (DF) (ttl 255, id 6)
09:44:13.151206 192.168.0.1.telnet > 1.2.3.4.32381: . ack 2 win 32708 (DF) (ttl 64, id 5039)

** illegal rst packet in response to last ack
10:51:27.677848 192.168.0.64.16448 > 192.168.0.1.20: F 1:1(0) ack 703 win 1880 (DF)
10:51:27.678010 192.168.0.1.20 > 192.168.0.64.16448: . ack 2 win 32708 (DF) [tos 0x8]
10:51:28.857847 192.168.0.64.16448 > 0.0.0.0.0: R 0:0(0) ack 0 win 1880 (DF)

