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  1. login as: pi
  2. pi@11.0.0.1's password:
  3. Linux raspberrypi 4.9.80-v7+ #1098 SMP Fri Mar 9 19:11:42 GMT 2018 armv7l
  4.  
  5. The programs included with the Debian GNU/Linux system are free software;
  6. the exact distribution terms for each program are described in the
  7. individual files in /usr/share/doc/*/copyright.
  8.  
  9. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
  10. permitted by applicable law.
  11. Last login: Sun Apr 15 17:57:04 2018 from 11.0.0.254
  12. pi@raspberrypi:~ $
  13. pi@raspberrypi:~ $ sudo tcpdump -nnv -i eth0 icmp
  14. tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes
  15. 18:23:59.828626 IP (tos 0xc0, ttl 64, id 57089, offset 0, flags [none], proto ICMP (1), length 94)
  16.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  17.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  18.     11.0.0.254.1029 > 8.8.8.8.53: 12835+ A? webchat.freenode.net. (38)
  19. 18:23:59.828962 IP (tos 0xc0, ttl 64, id 57090, offset 0, flags [none], proto ICMP (1), length 94)
  20.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.4.4 unreachable, length 74
  21.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  22.     11.0.0.254.1029 > 8.8.4.4.53: 12835+ A? webchat.freenode.net. (38)
  23. 18:23:59.829294 IP (tos 0xc0, ttl 64, id 57091, offset 0, flags [none], proto ICMP (1), length 94)
  24.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  25.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  26.     11.0.0.254.1029 > 8.8.8.8.53: 31086+ A? webchat.freenode.net. (38)
  27. 18:24:04.148595 IP (tos 0xc0, ttl 64, id 57119, offset 0, flags [none], proto ICMP (1), length 76)
  28.     11.0.0.1 > 11.0.0.254: ICMP host 23.221.198.35 unreachable, length 56
  29.         IP (tos 0x0, ttl 126, id 7768, offset 0, flags [DF], proto TCP (6), length 48)
  30.     11.0.0.254.50803 > 23.221.198.35.80: Flags [S], cksum 0xa1b9 (correct), seq 3075438932, win 65535, options [mss 1460,nop,nop,sackOK], length 0
  31. 18:24:09.508628 IP (tos 0xc0, ttl 64, id 57444, offset 0, flags [none], proto ICMP (1), length 80)
  32.     11.0.0.1 > 11.0.0.254: ICMP host 23.221.198.19 unreachable, length 60
  33.         IP (tos 0x0, ttl 126, id 7771, offset 0, flags [DF], proto TCP (6), length 52)
  34.     11.0.0.254.50804 > 23.221.198.19.80: Flags [S], cksum 0x0b39 (correct), seq 1007376159, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length 0
  35. 18:24:09.508939 IP (tos 0xc0, ttl 64, id 57445, offset 0, flags [none], proto ICMP (1), length 80)
  36.     11.0.0.1 > 11.0.0.254: ICMP host 23.221.198.19 unreachable, length 60
  37.         IP (tos 0x0, ttl 126, id 7795, offset 0, flags [DF], proto TCP (6), length 52)
  38.     11.0.0.254.50804 > 23.221.198.19.80: Flags [S], cksum 0x0b39 (correct), seq 1007376159, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length 0
  39. 18:24:24.468555 IP (tos 0xc0, ttl 64, id 57802, offset 0, flags [none], proto ICMP (1), length 94)
  40.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  41.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  42.     11.0.0.254.1029 > 8.8.8.8.53: 51675+ A? webchat.freenode.net. (38)
  43. 18:24:24.468837 IP (tos 0xc0, ttl 64, id 57803, offset 0, flags [none], proto ICMP (1), length 94)
  44.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.4.4 unreachable, length 74
  45.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  46.     11.0.0.254.1029 > 8.8.4.4.53: 51675+ A? webchat.freenode.net. (38)
  47. 18:24:31.268565 IP (tos 0xc0, ttl 64, id 58262, offset 0, flags [none], proto ICMP (1), length 80)
  48.     11.0.0.1 > 11.0.0.254: ICMP host 104.25.60.112 unreachable, length 60
  49.         IP (tos 0x0, ttl 126, id 7870, offset 0, flags [DF], proto TCP (6), length 52)
  50.     11.0.0.254.50806 > 104.25.60.112.80: Flags [S], cksum 0x2491 (correct), seq 4220041134, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length 0
  51. 18:24:37.028549 IP (tos 0xc0, ttl 64, id 58661, offset 0, flags [none], proto ICMP (1), length 76)
  52.     11.0.0.1 > 11.0.0.254: ICMP host 104.25.60.112 unreachable, length 56
  53.         IP (tos 0x0, ttl 126, id 7922, offset 0, flags [DF], proto TCP (6), length 48)
  54.     11.0.0.254.50805 > 104.25.60.112.80: Flags [S], cksum 0x2138 (correct), seq 1319476213, win 65535, options [mss 1460,nop,nop,sackOK], length 0
  55. 18:24:37.028844 IP (tos 0xc0, ttl 64, id 58662, offset 0, flags [none], proto ICMP (1), length 76)
  56.     11.0.0.1 > 11.0.0.254: ICMP host 104.25.60.112 unreachable, length 56
  57.         IP (tos 0x0, ttl 126, id 7923, offset 0, flags [DF], proto TCP (6), length 48)
  58.     11.0.0.254.50806 > 104.25.60.112.80: Flags [S], cksum 0x389a (correct), seq 4220041134, win 8192, options [mss 1460,nop,nop,sackOK], length 0
  59. 18:24:49.028646 IP (tos 0xc0, ttl 64, id 59221, offset 0, flags [none], proto ICMP (1), length 80)
  60.     11.0.0.1 > 11.0.0.254: ICMP host 104.25.59.112 unreachable, length 60
  61.         IP (tos 0x0, ttl 126, id 7933, offset 0, flags [DF], proto TCP (6), length 52)
  62.     11.0.0.254.50807 > 104.25.59.112.80: Flags [S], cksum 0x3245 (correct), seq 65643161, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length 0
  63. 18:24:49.028837 IP (tos 0xc0, ttl 64, id 59222, offset 0, flags [none], proto ICMP (1), length 80)
  64.     11.0.0.1 > 11.0.0.254: ICMP host 104.25.59.112 unreachable, length 60
  65.         IP (tos 0x0, ttl 126, id 7934, offset 0, flags [DF], proto TCP (6), length 52)
  66.     11.0.0.254.50808 > 104.25.59.112.80: Flags [S], cksum 0x67a1 (correct), seq 4294013235, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length 0
  67. 18:24:49.029394 IP (tos 0xc0, ttl 64, id 59223, offset 0, flags [none], proto ICMP (1), length 91)
  68.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 71
  69.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 63)
  70.     11.0.0.254.1029 > 8.8.8.8.53: 54854+ A? srv.datagutt1.com. (35)
  71. 18:24:59.268612 IP (tos 0xc0, ttl 64, id 59989, offset 0, flags [none], proto ICMP (1), length 90)
  72.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 70
  73.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 62)
  74.     11.0.0.254.1029 > 8.8.8.8.53: 60893+ A? www.msftncsi.com. (34)
  75. 18:25:02.468544 IP (tos 0xc0, ttl 64, id 59995, offset 0, flags [none], proto ICMP (1), length 88)
  76.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 68
  77.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 60)
  78.     11.0.0.254.1029 > 8.8.8.8.53: 270+ A? isatap.att.net. (32)
  79. 18:25:06.468559 IP (tos 0xc0, ttl 64, id 60055, offset 0, flags [none], proto ICMP (1), length 88)
  80.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 68
  81.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 60)
  82.     11.0.0.254.1029 > 8.8.8.8.53: 270+ A? isatap.att.net. (32)
  83. 18:25:06.468847 IP (tos 0xc0, ttl 64, id 60056, offset 0, flags [none], proto ICMP (1), length 88)
  84.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.4.4 unreachable, length 68
  85.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 60)
  86.     11.0.0.254.1029 > 8.8.4.4.53: 270+ A? isatap.att.net. (32)
  87. 18:25:13.348568 IP (tos 0xc0, ttl 64, id 60355, offset 0, flags [none], proto ICMP (1), length 118)
  88.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 98
  89.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 90)
  90.     11.0.0.254.1029 > 8.8.8.8.53: 32568+ A? sync-612-us-west-2.sync.services.mozilla.com. (62)
  91. 18:25:16.708632 IP (tos 0xc0, ttl 64, id 60679, offset 0, flags [none], proto ICMP (1), length 90)
  92.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 70
  93.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 62)
  94.     11.0.0.254.1029 > 8.8.8.8.53: 6816+ A? dns.msftncsi.com. (34)
  95. 18:25:27.428622 IP (tos 0xc0, ttl 64, id 60792, offset 0, flags [none], proto ICMP (1), length 91)
  96.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 71
  97.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 63)
  98.     11.0.0.254.1029 > 8.8.8.8.53: 38837+ A? srv.datagutt1.com. (35)
  99. 18:25:27.428914 IP (tos 0xc0, ttl 64, id 60793, offset 0, flags [none], proto ICMP (1), length 91)
  100.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.4.4 unreachable, length 71
  101.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 63)
  102.     11.0.0.254.1029 > 8.8.4.4.53: 38837+ A? srv.datagutt1.com. (35)
  103. 18:25:27.429181 IP (tos 0xc0, ttl 64, id 60794, offset 0, flags [none], proto ICMP (1), length 98)
  104.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 78
  105.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 70)
  106.     11.0.0.254.1029 > 8.8.8.8.53: 38345+ A? detectportal.firefox.com. (42)
  107. 18:25:31.028635 IP (tos 0xc0, ttl 64, id 61104, offset 0, flags [none], proto ICMP (1), length 94)
  108.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  109.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  110.     11.0.0.254.1029 > 8.8.8.8.53: 62761+ A? webchat.freenode.net. (38)
  111. 18:25:31.028932 IP (tos 0xc0, ttl 64, id 61105, offset 0, flags [none], proto ICMP (1), length 94)
  112.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.4.4 unreachable, length 74
  113.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  114.     11.0.0.254.1029 > 8.8.4.4.53: 62761+ A? webchat.freenode.net. (38)
  115. 18:25:31.029201 IP (tos 0xc0, ttl 64, id 61106, offset 0, flags [none], proto ICMP (1), length 94)
  116.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  117.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  118.     11.0.0.254.1029 > 8.8.8.8.53: 12301+ A? webchat.freenode.net. (38)
  119. 18:25:35.028627 IP (tos 0xc0, ttl 64, id 61426, offset 0, flags [none], proto ICMP (1), length 94)
  120.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  121.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  122.     11.0.0.254.1029 > 8.8.8.8.53: 23166+ A? webchat.freenode.net. (38)
  123. 18:25:37.226505 IP (tos 0x0, ttl 127, id 8157, offset 0, flags [none], proto ICMP (1), length 60)
  124.     11.0.0.254 > 192.168.1.254: ICMP echo request, id 1, seq 55002, length 40
  125. 18:25:37.236307 IP (tos 0x0, ttl 63, id 57566, offset 0, flags [none], proto ICMP (1), length 60)
  126.     192.168.1.254 > 11.0.0.254: ICMP echo reply, id 1, seq 55002, length 40
  127. 18:25:38.233332 IP (tos 0x0, ttl 127, id 8160, offset 0, flags [none], proto ICMP (1), length 60)
  128.     11.0.0.254 > 192.168.1.254: ICMP echo request, id 1, seq 55003, length 40
  129. 18:25:38.288166 IP (tos 0x0, ttl 63, id 57567, offset 0, flags [none], proto ICMP (1), length 60)
  130.     192.168.1.254 > 11.0.0.254: ICMP echo reply, id 1, seq 55003, length 40
  131. 18:25:39.108640 IP (tos 0xc0, ttl 64, id 61559, offset 0, flags [none], proto ICMP (1), length 94)
  132.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  133.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  134.     11.0.0.254.1029 > 8.8.8.8.53: 23166+ A? webchat.freenode.net. (38)
  135. 18:25:39.108953 IP (tos 0xc0, ttl 64, id 61560, offset 0, flags [none], proto ICMP (1), length 94)
  136.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.4.4 unreachable, length 74
  137.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  138.     11.0.0.254.1029 > 8.8.4.4.53: 23166+ A? webchat.freenode.net. (38)
  139. 18:25:39.109221 IP (tos 0xc0, ttl 64, id 61561, offset 0, flags [none], proto ICMP (1), length 94)
  140.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  141.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  142.     11.0.0.254.1029 > 8.8.8.8.53: 62070+ A? webchat.freenode.net. (38)
  143. 18:25:39.243565 IP (tos 0x0, ttl 127, id 8165, offset 0, flags [none], proto ICMP (1), length 60)
  144.     11.0.0.254 > 192.168.1.254: ICMP echo request, id 1, seq 55004, length 40
  145. 18:25:39.255364 IP (tos 0x0, ttl 63, id 57568, offset 0, flags [none], proto ICMP (1), length 60)
  146.     192.168.1.254 > 11.0.0.254: ICMP echo reply, id 1, seq 55004, length 40
  147. 18:25:39.977201 IP (tos 0xc0, ttl 64, id 61624, offset 0, flags [none], proto ICMP (1), length 94)
  148.     11.0.0.1 > 11.0.0.254: ICMP redirect 8.8.8.8 to host 192.168.1.254, length 74
  149.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  150.     11.0.0.254.1029 > 8.8.8.8.53: 23166+ A? webchat.freenode.net. (38)
  151. 18:25:40.257499 IP (tos 0x0, ttl 127, id 8171, offset 0, flags [none], proto ICMP (1), length 60)
  152.     11.0.0.254 > 192.168.1.254: ICMP echo request, id 1, seq 55005, length 40
  153. 18:25:40.270071 IP (tos 0x0, ttl 63, id 57569, offset 0, flags [none], proto ICMP (1), length 60)
  154.     192.168.1.254 > 11.0.0.254: ICMP echo reply, id 1, seq 55005, length 40
  155. 18:25:43.108636 IP (tos 0xc0, ttl 64, id 61629, offset 0, flags [none], proto ICMP (1), length 94)
  156.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  157.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  158.     11.0.0.254.1029 > 8.8.8.8.53: 23166+ A? webchat.freenode.net. (38)
  159. 18:25:43.108911 IP (tos 0xc0, ttl 64, id 61630, offset 0, flags [none], proto ICMP (1), length 94)
  160.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.4.4 unreachable, length 74
  161.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  162.     11.0.0.254.1029 > 8.8.4.4.53: 23166+ A? webchat.freenode.net. (38)
  163. 18:25:43.109163 IP (tos 0xc0, ttl 64, id 61631, offset 0, flags [none], proto ICMP (1), length 94)
  164.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  165.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  166.     11.0.0.254.1029 > 8.8.8.8.53: 62070+ A? webchat.freenode.net. (38)
  167. 18:25:46.734095 IP (tos 0x0, ttl 127, id 8179, offset 0, flags [none], proto ICMP (1), length 60)
  168.     11.0.0.254 > 8.8.8.8: ICMP echo request, id 1, seq 55009, length 40
  169. 18:25:51.661404 IP (tos 0x0, ttl 127, id 8183, offset 0, flags [none], proto ICMP (1), length 60)
  170.     11.0.0.254 > 8.8.8.8: ICMP echo request, id 1, seq 55010, length 40
  171. 18:25:54.788646 IP (tos 0xc0, ttl 64, id 62460, offset 0, flags [none], proto ICMP (1), length 88)
  172.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 68
  173.         IP (tos 0x0, ttl 126, id 8183, offset 0, flags [none], proto ICMP (1), length 60)
  174.     11.0.0.254 > 8.8.8.8: ICMP echo request, id 1, seq 55010, length 40
  175. 18:25:54.788922 IP (tos 0xc0, ttl 64, id 62461, offset 0, flags [none], proto ICMP (1), length 87)
  176.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 67
  177.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 59)
  178.     11.0.0.254.1029 > 8.8.8.8.53: 2638+ A? ncc.avast.com. (31)
  179. 18:25:54.791650 IP (tos 0x0, ttl 127, id 8187, offset 0, flags [none], proto ICMP (1), length 60)
  180.     11.0.0.254 > 8.8.8.8: ICMP echo request, id 1, seq 55010, length 40
  181. 18:25:57.908629 IP (tos 0xc0, ttl 64, id 62521, offset 0, flags [none], proto ICMP (1), length 88)
  182.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 68
  183.         IP (tos 0x0, ttl 126, id 8187, offset 0, flags [none], proto ICMP (1), length 60)
  184.     11.0.0.254 > 8.8.8.8: ICMP echo request, id 1, seq 55010, length 40
  185. 18:25:57.912197 IP (tos 0x0, ttl 127, id 8190, offset 0, flags [none], proto ICMP (1), length 60)
  186.     11.0.0.254 > 8.8.8.8: ICMP echo request, id 1, seq 55006, length 40
  187. 18:26:01.028612 IP (tos 0xc0, ttl 64, id 62785, offset 0, flags [none], proto ICMP (1), length 88)
  188.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 68
  189.         IP (tos 0x0, ttl 126, id 8190, offset 0, flags [none], proto ICMP (1), length 60)
  190.     11.0.0.254 > 8.8.8.8: ICMP echo request, id 1, seq 55006, length 40
  191. 18:26:01.028877 IP (tos 0xc0, ttl 64, id 62786, offset 0, flags [none], proto ICMP (1), length 94)
  192.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  193.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  194.     11.0.0.254.1029 > 8.8.8.8.53: 33672+ A? webchat.freenode.net. (38)
  195. 18:26:01.029130 IP (tos 0xc0, ttl 64, id 62787, offset 0, flags [none], proto ICMP (1), length 94)
  196.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.4.4 unreachable, length 74
  197.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  198.     11.0.0.254.1029 > 8.8.4.4.53: 33672+ A? webchat.freenode.net. (38)
  199. 18:26:01.115422 IP (tos 0xc0, ttl 64, id 62794, offset 0, flags [none], proto ICMP (1), length 94)
  200.     11.0.0.1 > 11.0.0.254: ICMP redirect 8.8.8.8 to host 192.168.1.254, length 74
  201.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  202.     11.0.0.254.1029 > 8.8.8.8.53: 33672+ A? webchat.freenode.net. (38)
  203. 18:26:02.129640 IP (tos 0xc0, ttl 64, id 62880, offset 0, flags [none], proto ICMP (1), length 94)
  204.     11.0.0.1 > 11.0.0.254: ICMP redirect 8.8.8.8 to host 192.168.1.254, length 74
  205.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  206.     11.0.0.254.1029 > 8.8.8.8.53: 33672+ A? webchat.freenode.net. (38)
  207. 18:26:04.141946 IP (tos 0xc0, ttl 64, id 63026, offset 0, flags [none], proto ICMP (1), length 94)
  208.     11.0.0.1 > 11.0.0.254: ICMP redirect 8.8.8.8 to host 192.168.1.254, length 74
  209.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  210.     11.0.0.254.1029 > 8.8.8.8.53: 33672+ A? webchat.freenode.net. (38)
  211. 18:26:13.748534 IP (tos 0xc0, ttl 64, id 63147, offset 0, flags [none], proto ICMP (1), length 100)
  212.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 80
  213.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 72)
  214.     11.0.0.254.1029 > 8.8.8.8.53: 19904+ A? telemetry.malwarebytes.com. (44)
  215. 18:26:17.268664 IP (tos 0xc0, ttl 64, id 63334, offset 0, flags [none], proto ICMP (1), length 94)
  216.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  217.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  218.     11.0.0.254.1029 > 8.8.8.8.53: 19811+ A? webchat.freenode.net. (38)
  219. 18:26:22.228640 IP (tos 0xc0, ttl 64, id 63370, offset 0, flags [none], proto ICMP (1), length 87)
  220.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 67
  221.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 59)
  222.     11.0.0.254.1029 > 8.8.8.8.53: 2638+ A? ncc.avast.com. (31)
  223. 18:26:22.228956 IP (tos 0xc0, ttl 64, id 63371, offset 0, flags [none], proto ICMP (1), length 87)
  224.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.4.4 unreachable, length 67
  225.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 59)
  226.     11.0.0.254.1029 > 8.8.4.4.53: 2638+ A? ncc.avast.com. (31)
  227. 18:26:23.670701 IP (tos 0x0, ttl 127, id 8239, offset 0, flags [none], proto ICMP (1), length 60)
  228.     11.0.0.254 > 192.168.1.254: ICMP echo request, id 1, seq 55007, length 40
  229. 18:26:23.679115 IP (tos 0x0, ttl 63, id 57570, offset 0, flags [none], proto ICMP (1), length 60)
  230.     192.168.1.254 > 11.0.0.254: ICMP echo reply, id 1, seq 55007, length 40
  231. 18:26:24.671968 IP (tos 0x0, ttl 127, id 8244, offset 0, flags [none], proto ICMP (1), length 60)
  232.     11.0.0.254 > 192.168.1.254: ICMP echo request, id 1, seq 55008, length 40
  233. 18:26:24.677473 IP (tos 0x0, ttl 63, id 57571, offset 0, flags [none], proto ICMP (1), length 60)
  234.     192.168.1.254 > 11.0.0.254: ICMP echo reply, id 1, seq 55008, length 40
  235. 18:26:25.685678 IP (tos 0x0, ttl 127, id 8250, offset 0, flags [none], proto ICMP (1), length 60)
  236.     11.0.0.254 > 192.168.1.254: ICMP echo request, id 1, seq 55010, length 40
  237. 18:26:25.692773 IP (tos 0x0, ttl 63, id 57572, offset 0, flags [none], proto ICMP (1), length 60)
  238.     192.168.1.254 > 11.0.0.254: ICMP echo reply, id 1, seq 55010, length 40
  239. 18:26:26.684259 IP (tos 0x0, ttl 127, id 8256, offset 0, flags [none], proto ICMP (1), length 60)
  240.     11.0.0.254 > 192.168.1.254: ICMP echo request, id 1, seq 55012, length 40
  241. 18:26:26.695686 IP (tos 0x0, ttl 63, id 57573, offset 0, flags [none], proto ICMP (1), length 60)
  242.     192.168.1.254 > 11.0.0.254: ICMP echo reply, id 1, seq 55012, length 40
  243. 18:26:27.348642 IP (tos 0xc0, ttl 64, id 63544, offset 0, flags [none], proto ICMP (1), length 94)
  244.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  245.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  246.     11.0.0.254.1029 > 8.8.8.8.53: 3140+ A? webchat.freenode.net. (38)
  247. 18:26:31.348620 IP (tos 0xc0, ttl 64, id 63704, offset 0, flags [none], proto ICMP (1), length 94)
  248.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  249.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  250.     11.0.0.254.1029 > 8.8.8.8.53: 3140+ A? webchat.freenode.net. (38)
  251. 18:26:34.468645 IP (tos 0xc0, ttl 64, id 63798, offset 0, flags [none], proto ICMP (1), length 89)
  252.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 69
  253.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 61)
  254.     11.0.0.254.1029 > 8.8.8.8.53: 533+ A? play.google.com. (33)
  255. 18:26:39.428629 IP (tos 0xc0, ttl 64, id 64086, offset 0, flags [none], proto ICMP (1), length 94)
  256.     11.0.0.1 > 11.0.0.254: ICMP host 8.8.8.8 unreachable, length 74
  257.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 66)
  258.     11.0.0.254.1029 > 8.8.8.8.53: 54144+ A? webchat.freenode.net. (38)
  259. ^C
  260. 71 packets captured
  261. 71 packets received by filter
  262. 0 packets dropped by kernel
  263. pi@raspberrypi:~ $
  264.  
  265.  
  266.  
  267.  
  268.  
  269.  
  270.  
  271.  
  272.  
  273.  
  274.  
  275.  
  276.  
  277.  
  278.  
  279.  
  280.  
  281.  
  282.  
  283.  
  284.  
  285.  
  286. ==============================================================================
  287.  
  288.  
  289.  
  290.  
  291.  
  292.  
  293.  
  294.  
  295.  
  296.  
  297.  
  298.  
  299.  
  300. login as: pi
  301. pi@11.0.0.1's password:
  302. Linux raspberrypi 4.9.80-v7+ #1098 SMP Fri Mar 9 19:11:42 GMT 2018 armv7l
  303.  
  304. The programs included with the Debian GNU/Linux system are free software;
  305. the exact distribution terms for each program are described in the
  306. individual files in /usr/share/doc/*/copyright.
  307.  
  308. Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
  309. permitted by applicable law.
  310. Last login: Sun Apr 15 18:22:40 2018 from 11.0.0.254
  311. pi@raspberrypi:~ $ tcpdump -nnv -i wlan0 icmp
  312. tcpdump: wlan0: You don't have permission to capture on that device
  313. (socket: Operation not permitted)
  314. pi@raspberrypi:~ $ sudo tcpdump -nnv -i wlan0 icmp
  315. tcpdump: wlan0: That device is not up
  316. pi@raspberrypi:~ $ sudo tcpdump -nnv -i wlan0 icmp
  317. tcpdump: listening on wlan0, link-type EN10MB (Ethernet), capture size 262144 bytes
  318. 18:24:48.017575 IP (tos 0x0, ttl 64, id 0, offset 0, flags [DF], proto ICMP (1), length 48)
  319.     192.168.1.254 > 192.168.1.135: ICMP echo request, id 204, seq 0, length 28
  320. 18:24:49.028980 IP (tos 0xc0, ttl 64, id 33859, offset 0, flags [none], proto ICMP (1), length 76)
  321.     192.168.1.135 > 192.168.1.254: ICMP host 192.168.1.135 unreachable, length 56
  322.         IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto ICMP (1), length 48)
  323.     192.168.1.254 > 192.168.1.135: ICMP echo request, id 204, seq 0, length 28
  324. 18:24:49.029140 IP (tos 0xd0, ttl 64, id 33860, offset 0, flags [none], proto ICMP (1), length 356)
  325.     192.168.1.135 > 192.168.1.254: ICMP host 192.168.1.135 unreachable, length 336
  326.         IP (tos 0x10, ttl 127, id 0, offset 0, flags [none], proto UDP (17), length 328)
  327.     192.168.1.254.67 > 192.168.1.135.68: BOOTP/DHCP, Reply, length 300, xid 0x6227984b, secs 9, Flags [none]
  328.           Your-IP 192.168.1.135
  329.           Client-Ethernet-Address b8:27:eb:0c:48:d3
  330.           Vendor-rfc1048 Extensions
  331.             Magic Cookie 0x63825363
  332.             DHCP-Message Option 53, length 1: Offer
  333.             Server-ID Option 54, length 4: 192.168.1.254
  334.             Lease-Time Option 51, length 4: 86400
  335.             Subnet-Mask Option 1, length 4: 255.255.255.0
  336.             Default-Gateway Option 3, length 4: 192.168.1.254
  337.             Domain-Name Option 15, length 7: "att.net"
  338.             Domain-Name-Server Option 6, length 4: 192.168.1.254
  339. 18:24:49.029270 IP (tos 0xd0, ttl 64, id 33861, offset 0, flags [none], proto ICMP (1), length 356)
  340.     192.168.1.135 > 192.168.1.254: ICMP host 192.168.1.135 unreachable, length 336
  341.         IP (tos 0x10, ttl 127, id 0, offset 0, flags [none], proto UDP (17), length 328)
  342.     192.168.1.254.67 > 192.168.1.135.68: BOOTP/DHCP, Reply, length 300, xid 0x6227984b, secs 9, Flags [none]
  343.           Your-IP 192.168.1.135
  344.           Client-Ethernet-Address b8:27:eb:0c:48:d3
  345.           Vendor-rfc1048 Extensions
  346.             Magic Cookie 0x63825363
  347.             DHCP-Message Option 53, length 1: ACK
  348.             Server-ID Option 54, length 4: 192.168.1.254
  349.             Lease-Time Option 51, length 4: 86400
  350.             Subnet-Mask Option 1, length 4: 255.255.255.0
  351.             Default-Gateway Option 3, length 4: 192.168.1.254
  352.             Domain-Name Option 15, length 7: "att.net"
  353.             Domain-Name-Server Option 6, length 4: 192.168.1.254
  354. tcpdump: pcap_loop: The interface went down
  355. 4 packets captured
  356. 4 packets received by filter
  357. 0 packets dropped by kernel
  358. pi@raspberrypi:~ $ sudo tcpdump -nnv -i wlan0 icmp
  359. tcpdump: wlan0: That device is not up
  360. pi@raspberrypi:~ $ sudo tcpdump -nnv -i wlan0 icmp
  361. tcpdump: listening on wlan0, link-type EN10MB (Ethernet), capture size 262144 bytes
  362. 18:25:23.988779 IP (tos 0xd0, ttl 64, id 36330, offset 0, flags [none], proto ICMP (1), length 356)
  363.     192.168.1.135 > 192.168.1.254: ICMP host 192.168.1.135 unreachable, length 336
  364.         IP (tos 0x10, ttl 127, id 0, offset 0, flags [none], proto UDP (17), length 328)
  365.     192.168.1.254.67 > 192.168.1.135.68: BOOTP/DHCP, Reply, length 300, xid 0x44d7b840, secs 8, Flags [none]
  366.           Your-IP 192.168.1.135
  367.           Client-Ethernet-Address b8:27:eb:0c:48:d3
  368.           Vendor-rfc1048 Extensions
  369.             Magic Cookie 0x63825363
  370.             DHCP-Message Option 53, length 1: Offer
  371.             Server-ID Option 54, length 4: 192.168.1.254
  372.             Lease-Time Option 51, length 4: 86400
  373.             Subnet-Mask Option 1, length 4: 255.255.255.0
  374.             Default-Gateway Option 3, length 4: 192.168.1.254
  375.             Domain-Name Option 15, length 7: "att.net"
  376.             Domain-Name-Server Option 6, length 4: 192.168.1.254
  377. 18:25:23.989086 IP (tos 0xd0, ttl 64, id 36331, offset 0, flags [none], proto ICMP (1), length 356)
  378.     192.168.1.135 > 192.168.1.254: ICMP host 192.168.1.135 unreachable, length 336
  379.         IP (tos 0x10, ttl 127, id 0, offset 0, flags [none], proto UDP (17), length 328)
  380.     192.168.1.254.67 > 192.168.1.135.68: BOOTP/DHCP, Reply, length 300, xid 0x44d7b840, secs 8, Flags [none]
  381.           Your-IP 192.168.1.135
  382.           Client-Ethernet-Address b8:27:eb:0c:48:d3
  383.           Vendor-rfc1048 Extensions
  384.             Magic Cookie 0x63825363
  385.             DHCP-Message Option 53, length 1: ACK
  386.             Server-ID Option 54, length 4: 192.168.1.254
  387.             Lease-Time Option 51, length 4: 86400
  388.             Subnet-Mask Option 1, length 4: 255.255.255.0
  389.             Default-Gateway Option 3, length 4: 192.168.1.254
  390.             Domain-Name Option 15, length 7: "att.net"
  391.             Domain-Name-Server Option 6, length 4: 192.168.1.254
  392. 18:25:37.226789 IP (tos 0x0, ttl 126, id 8157, offset 0, flags [none], proto ICMP (1), length 60)
  393.     192.168.1.135 > 192.168.1.254: ICMP echo request, id 1, seq 55002, length 40
  394. 18:25:37.236062 IP (tos 0x0, ttl 64, id 57566, offset 0, flags [none], proto ICMP (1), length 60)
  395.     192.168.1.254 > 192.168.1.135: ICMP echo reply, id 1, seq 55002, length 40
  396. 18:25:38.233579 IP (tos 0x0, ttl 126, id 8160, offset 0, flags [none], proto ICMP (1), length 60)
  397.     192.168.1.135 > 192.168.1.254: ICMP echo request, id 1, seq 55003, length 40
  398. 18:25:38.287924 IP (tos 0x0, ttl 64, id 57567, offset 0, flags [none], proto ICMP (1), length 60)
  399.     192.168.1.254 > 192.168.1.135: ICMP echo reply, id 1, seq 55003, length 40
  400. 18:25:39.243810 IP (tos 0x0, ttl 126, id 8165, offset 0, flags [none], proto ICMP (1), length 60)
  401.     192.168.1.135 > 192.168.1.254: ICMP echo request, id 1, seq 55004, length 40
  402. 18:25:39.255117 IP (tos 0x0, ttl 64, id 57568, offset 0, flags [none], proto ICMP (1), length 60)
  403.     192.168.1.254 > 192.168.1.135: ICMP echo reply, id 1, seq 55004, length 40
  404. 18:25:40.257743 IP (tos 0x0, ttl 126, id 8171, offset 0, flags [none], proto ICMP (1), length 60)
  405.     192.168.1.135 > 192.168.1.254: ICMP echo request, id 1, seq 55005, length 40
  406. 18:25:40.269825 IP (tos 0x0, ttl 64, id 57569, offset 0, flags [none], proto ICMP (1), length 60)
  407.     192.168.1.254 > 192.168.1.135: ICMP echo reply, id 1, seq 55005, length 40
  408. tcpdump: pcap_loop: The interface went down
  409. 10 packets captured
  410. 10 packets received by filter
  411. 0 packets dropped by kernel
  412. pi@raspberrypi:~ $ sudo tcpdump -nnv -i wlan0 icmp
  413. tcpdump: listening on wlan0, link-type EN10MB (Ethernet), capture size 262144 bytes
  414. 18:26:22.229270 IP (tos 0xd0, ttl 64, id 36982, offset 0, flags [none], proto ICMP (1), length 356)
  415.     192.168.1.135 > 192.168.1.254: ICMP host 192.168.1.135 unreachable, length 336
  416.         IP (tos 0x10, ttl 127, id 0, offset 0, flags [none], proto UDP (17), length 328)
  417.     192.168.1.254.67 > 192.168.1.135.68: BOOTP/DHCP, Reply, length 300, xid 0x1c312413, secs 5, Flags [none]
  418.           Your-IP 192.168.1.135
  419.           Client-Ethernet-Address b8:27:eb:0c:48:d3
  420.           Vendor-rfc1048 Extensions
  421.             Magic Cookie 0x63825363
  422.             DHCP-Message Option 53, length 1: Offer
  423.             Server-ID Option 54, length 4: 192.168.1.254
  424.             Lease-Time Option 51, length 4: 86400
  425.             Subnet-Mask Option 1, length 4: 255.255.255.0
  426.             Default-Gateway Option 3, length 4: 192.168.1.254
  427.             Domain-Name Option 15, length 7: "att.net"
  428.             Domain-Name-Server Option 6, length 4: 192.168.1.254
  429. 18:26:22.229597 IP (tos 0xd0, ttl 64, id 36983, offset 0, flags [none], proto ICMP (1), length 356)
  430.     192.168.1.135 > 192.168.1.254: ICMP host 192.168.1.135 unreachable, length 336
  431.         IP (tos 0x10, ttl 127, id 0, offset 0, flags [none], proto UDP (17), length 328)
  432.     192.168.1.254.67 > 192.168.1.135.68: BOOTP/DHCP, Reply, length 300, xid 0x1c312413, secs 5, Flags [none]
  433.           Your-IP 192.168.1.135
  434.           Client-Ethernet-Address b8:27:eb:0c:48:d3
  435.           Vendor-rfc1048 Extensions
  436.             Magic Cookie 0x63825363
  437.             DHCP-Message Option 53, length 1: ACK
  438.             Server-ID Option 54, length 4: 192.168.1.254
  439.             Lease-Time Option 51, length 4: 86400
  440.             Subnet-Mask Option 1, length 4: 255.255.255.0
  441.             Default-Gateway Option 3, length 4: 192.168.1.254
  442.             Domain-Name Option 15, length 7: "att.net"
  443.             Domain-Name-Server Option 6, length 4: 192.168.1.254
  444. 18:26:23.671004 IP (tos 0x0, ttl 126, id 8239, offset 0, flags [none], proto ICMP (1), length 60)
  445.     192.168.1.135 > 192.168.1.254: ICMP echo request, id 1, seq 55007, length 40
  446. 18:26:23.678866 IP (tos 0x0, ttl 64, id 57570, offset 0, flags [none], proto ICMP (1), length 60)
  447.     192.168.1.254 > 192.168.1.135: ICMP echo reply, id 1, seq 55007, length 40
  448. 18:26:24.672225 IP (tos 0x0, ttl 126, id 8244, offset 0, flags [none], proto ICMP (1), length 60)
  449.     192.168.1.135 > 192.168.1.254: ICMP echo request, id 1, seq 55008, length 40
  450. 18:26:24.677228 IP (tos 0x0, ttl 64, id 57571, offset 0, flags [none], proto ICMP (1), length 60)
  451.     192.168.1.254 > 192.168.1.135: ICMP echo reply, id 1, seq 55008, length 40
  452. 18:26:25.685925 IP (tos 0x0, ttl 126, id 8250, offset 0, flags [none], proto ICMP (1), length 60)
  453.     192.168.1.135 > 192.168.1.254: ICMP echo request, id 1, seq 55010, length 40
  454. 18:26:25.692531 IP (tos 0x0, ttl 64, id 57572, offset 0, flags [none], proto ICMP (1), length 60)
  455.     192.168.1.254 > 192.168.1.135: ICMP echo reply, id 1, seq 55010, length 40
  456. 18:26:26.684501 IP (tos 0x0, ttl 126, id 8256, offset 0, flags [none], proto ICMP (1), length 60)
  457.     192.168.1.135 > 192.168.1.254: ICMP echo request, id 1, seq 55012, length 40
  458. 18:26:26.695445 IP (tos 0x0, ttl 64, id 57573, offset 0, flags [none], proto ICMP (1), length 60)
  459.     192.168.1.254 > 192.168.1.135: ICMP echo reply, id 1, seq 55012, length 40
  460. tcpdump: pcap_loop: The interface went down
  461. 10 packets captured
  462. 10 packets received by filter
  463. 0 packets dropped by kernel
  464. pi@raspberrypi:~ $ ^C
  465. pi@raspberrypi:~ $
RAW Paste Data
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