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Blocking on Transfer with UDP on Arbitrary Ports in #Iran
root@nami:~# tcpdump -r random_traffic_port_8082_udp.pcap | head
reading from file random_traffic_port_8082_udp.pcap, link-type EN10MB (Ethernet)
19:40:58.250303 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:40:58.250640 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:40:58.251200 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:40:58.251358 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:40:58.251566 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:40:58.252529 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:40:58.252711 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:40:58.252975 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:40:58.253242 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:40:58.253344 IP internationalhost.35447 > nami.8082: UDP, length 2048
root@nami:~# tcpdump -r random_traffic_port_8082_udp.pcap | tail
reading from file random_traffic_port_8082_udp.pcap, link-type EN10MB (Ethernet)
tcpdump: pcap_loop: truncated dump file; tried to read 1514 captured bytes, only got 1428
19:41:58.246520 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:41:58.246658 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:41:58.246775 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:41:58.247157 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:41:58.248105 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:41:58.248589 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:41:58.248927 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:41:58.249085 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:41:58.249568 IP internationalhost.35447 > nami.8082: UDP, length 2048
19:41:58.249764 IP internationalhost.35447 > nami.8082: UDP, length 2048
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