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Re: [公告] 批踢踢近日遭受網路阻斷攻擊

[ SYSOP ]32 留言, 推噓總分: +4

作者: lianpig5566 - 發表於 2016/07/28 22:29(7年前)

15^F推birdy590: 有用但是你的水管和防火牆得大於攻擊量203.204.205.201 07/29 10:20

16^F→birdy590: 這是針對比較凶惡的 botnet, 純粹的放大203.204.205.201 07/29 10:21

17^F→birdy590: 攻擊, 上游肯配合的話倒是有解203.204.205.201 07/29 10:21

18^F→birdy590: 有可能量大到大哥扛不下來就得找大哥大203.204.205.201 07/29 10:24

26^F推birdy590: 有聽過說國外在賣這種服務貴不貴看需求111.184.27.83 07/31 16:15

27^F→birdy590: 打 PTT 顯然不會是為了勒索, 這種最麻煩111.184.27.83 07/31 16:22

29^F→birdy590: 那更糟代表"有人為了特定目的願意負擔203.204.205.201 08/01 15:16

30^F→birdy590: 攻擊的成本" 可以觀察看看如果擋掉以後203.204.205.201 08/01 15:17

31^F→birdy590: 攻擊是停止還是升級203.204.205.201 08/01 15:17

Re: [公告] 批踢踢近日遭受網路阻斷攻擊

[ SYSOP ]49 留言, 推噓總分: +4

作者: wens - 發表於 2016/07/28 11:32(7年前)

1^F推birdy590: 提醒一下, 其它資訊可以公開, mrtg 不宜203.204.205.201 07/28 13:30

2^F→birdy590: 現在攻擊者也知道你只有 1G 了, 然後呢?203.204.205.201 07/28 13:30

6^F推birdy590: 轉換一下角色, 把自己當成需要打PTT的人203.204.205.201 07/28 16:00

7^F→birdy590: 應該不難想到揭露這些資訊的結果203.204.205.201 07/28 16:00

9^F→birdy590: 網站公開跟當公告內容意義差很多啊 @@203.204.205.201 07/28 16:43

19^F→birdy590: 打 PTT 恐怕不會是為了勒索, 同樣的成本203.204.205.201 07/28 18:02

20^F→birdy590: 這些資訊有助於讓攻擊效果最大化203.204.205.201 07/28 18:02

21^F→birdy590: 由 botnet 發動的攻擊不一定是 UDP 啊203.204.205.201 07/28 18:03

22^F→birdy590: 上游比較容易的作法也只有在邊緣濾掉203.204.205.201 07/28 18:03

24^F→birdy590: 這年頭攻擊流量到 20G 以上的都不少見203.204.205.201 07/28 18:05

27^F→birdy590: 一般業者根本不會有那個能力和設備去洗203.204.205.201 07/28 18:05

28^F→birdy590: 常見的反射就 DNS/NTP, 但這個容易過濾203.204.205.201 07/28 18:06

29^F→birdy590: 實務上遇到比較難纏的還是 botnet 搞的203.204.205.201 07/28 18:06

42^F→birdy590: 從 MRTG 看起來 1G 是實體好嗎111.184.27.83 07/30 16:57

43^F→birdy590: 我的工作就常常處理這個, 10G 以下無感111.184.27.83 07/30 16:58

44^F→birdy590: 常見的 reflection 通常早就封了111.184.27.83 07/30 16:59

45^F→birdy590: 可以思考一下, 萬一碰上不能簡單 ACL 的111.184.27.83 07/30 17:01

46^F→birdy590: 攻擊應該如何應對... 有人打就代表可能111.184.27.83 07/30 17:02

47^F→birdy590: 還會升級, 洗流量不是一般人玩的起的111.184.27.83 07/30 17:02

[問題] 踢人?

[ SYSOP ]99 留言, 推噓總分: +71

作者: ru04ul4 - 發表於 2010/11/15 16:09(13年前)

93^F→birdy590:用 sniffer 聽過, 最後是站端送 RST 過來203.204.205.201 11/16 16:07

94^F→birdy590:PTT->PC 有一些 retransmission 情形203.204.205.201 11/16 16:08

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