Блокирован ли ip адрес

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  adman57584 · Участник · 24 октября, 2022 at 4:05 дп

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  Здравствуйте, уточните, вы блокируете ip 185.135.83.159? Со второго ip (185.135.83.132) на этом же сервере всё работает.

  (эл. почта видна только модераторам и сотрудникам):~# telnet -b 185.135.83.159 198.143.164.250 443
  Trying 198.143.164.250…
  telnet: connect to address 198.143.164.250: Connection timed out

  tcpdump -n -v -i bond0 host 198.143.164.250
  tcpdump: listening on bond0, link-type EN10MB (Ethernet), capture size 262144 bytes
  07:02:19.930826 IP (tos 0x10, ttl 64, id 17151, offset 0, flags [DF], proto TCP (6), length 60)
  185.135.83.159.59410 > 198.143.164.250.https: Flags [S], cksum 0x78df (incorrect -> 0xca55), seq 3881385977, win 29200, options [mss 1460,sackOK,TS val 79854854 ecr 0,nop,wscale 7], length 0
  07:02:20.932647 IP (tos 0x10, ttl 64, id 17152, offset 0, flags [DF], proto TCP (6), length 60)
  185.135.83.159.59410 > 198.143.164.250.https: Flags [S], cksum 0x78df (incorrect -> 0xc66b), seq 3881385977, win 29200, options [mss 1460,sackOK,TS val 79855856 ecr 0,nop,wscale 7], length 0

  telnet -b 185.135.83.132 198.143.164.250 443
  Trying 198.143.164.250…
  Connected to 198.143.164.250.
  Escape character is ‘^]’.

  tcpdump -n -v -i bond0 host 198.143.164.250
  tcpdump: listening on bond0, link-type EN10MB (Ethernet), capture size 262144 bytes
  07:03:20.987457 IP (tos 0x10, ttl 64, id 11850, offset 0, flags [DF], proto TCP (6), length 60)
  185.135.83.132.51453 > 198.143.164.250.https: Flags [S], cksum 0x78c4 (incorrect -> 0x5009), seq 2357347788, win 29200, options [mss 1460,sackOK,TS val 79915910 ecr 0,nop,wscale 7], length 0
  07:03:21.168824 IP (tos 0x0, ttl 53, id 0, offset 0, flags [DF], proto TCP (6), length 60)
  198.143.164.250.https > 185.135.83.132.51453: Flags [S.], cksum 0xc331 (correct), seq 3806175882, ack 2357347789, win 28960, options [mss 1460,sackOK,TS val 3916439259 ecr 79915910,nop,wscale 9], length 0
  07:03:21.168900 IP (tos 0x10, ttl 64, id 11851, offset 0, flags [DF], proto TCP (6), length 52)
  185.135.83.132.51453 > 198.143.164.250.https: Flags [.], cksum 0x78bc (incorrect -> 0x6185), ack 1, win 229, options [nop,nop,TS val 79916092 ecr 3916439259], length 0