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如何防止连续 ACK 数据包发送到我的服务器

tag-icon • tag-icon networking packet linux-server
如何防止连续 ACK 数据包发送到我的服务器

我发现我的服务器从不同的站点收到连续的 ACK 数据包，永不停歇，如下所示（我使用 tcpdump 来捕获）

  1. 远程站点使用 https。
  2. 包含 akamai、amazon..等等，应该是合法的。

我想知道之前这些站点的连接是否失败了，然后才发生这种情况。

我想知道如何才能不收到这些 ACK 数据包。

23:12:37.555238 IP prg02s12-in-f1.1e100.net.https > 192.168.192.128.52285: Flags [FP.], seq 0, ack 1, win 64240, length 0
23:12:37.555242 IP 17.167.192.152.https > 192.168.192.128.49292: Flags [FP.], seq 0, ack 1, win 64239, length 0
23:12:37.555246 IP prg02s12-in-f14.1e100.net.https > 192.168.192.128.49961: Flags [FP.], seq 0:55, ack 1, win 64240, length 55
23:12:37.555253 IP 17.164.1.38.https > 192.168.192.128.49844: Flags [FP.], seq 0:37, ack 1, win 64240, length 37
23:12:37.555293 IP a2-16-84-128.deploy.akamaitechnologies.com.https > 192.168.192.128.49850: Flags [FP.], seq 0:31, ack 1, win 64240, length 31
23:12:37.555301 IP 125.209.252.12.https > 192.168.192.128.49929: Flags [FP.], seq 0, ack 1, win 64240, length 0
23:12:37.555307 IP prg02s12-in-f4.1e100.net.https > 192.168.192.128.49964: Flags [FP.], seq 0:55, ack 1, win 64240, length 55
23:12:37.655195 IP fra07s31-in-f1.1e100.net.https > 192.168.192.128.58291: Flags [FP.], seq 0, ack 1, win 64240, length 0
23:12:37.655227 IP ec2-54-193-107-210.us-west-1.compute.amazonaws.com.https > 192.168.192.128.50448: Flags [FP.], seq 0:7, ack 1, win 64240, length 7
23:12:37.655233 IP fra07s31-in-f1.1e100.net.https > 192.168.192.128.41618: Flags [FP.], seq 0:110, ack 1, win 64240, length 110
23:12:37.655238 IP ec2-54-154-38-161.eu-west-1.compute.amazonaws.com.5223 > 192.168.192.128.48941: Flags [FP.], seq 0:7, ack 1, win 64240, length 7
23:12:37.655243 IP fra07s31-in-f1.1e100.net.https > 192.168.192.128.54130: Flags [FP.], seq 0:110, ack 1, win 64240, length 110
23:12:37.655247 IP prg02s12-in-f1.1e100.net.https > 192.168.192.128.52285: Flags [FP.], seq 0, ack 1, win 64240, length 0
23:12:37.655254 IP 17.167.192.152.https > 192.168.192.128.49292: Flags [FP.], seq 0, ack 1, win 64239, length 0
23:12:37.655259 IP prg02s12-in-f14.1e100.net.https > 192.168.192.128.49961: Flags [FP.], seq 0:55, ack 1, win 64240, length 55
23:12:37.655265 IP 17.164.1.38.https > 192.168.192.128.49844: Flags [FP.], seq 0:37, ack 1, win 64240, length 37
23:12:37.655271 IP a2-16-84-128.deploy.akamaitechnologies.com.https > 192.168.192.128.49850: Flags [FP.], seq 0:31, ack 1, win 64240, length 31
23:12:37.655275 IP 125.209.252.12.https > 192.168.192.128.49929: Flags [FP.], seq 0, ack 1, win 64240, length 0
23:12:37.655281 IP prg02s12-in-f4.1e100.net.https > 192.168.192.128.49964: Flags [FP.], seq 0:55, ack 1, win 64240, length 55

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