服务器疯狂跑流量怎么破? - V2EX
whahugao

服务器疯狂跑流量怎么破?

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  •   whahugao Mar 22, 2019 5721 views
    This topic created in 2608 days ago, the information mentioned may be changed or developed.

    刚换的新 VPS 500G 流量几天就没了。用 iftop 持续观察,等到跑流量的时间段截图如下。左边是本机 host:端口号,右边是目标机器的 ip 端口号。这个:memcache 是个什么鬼?而且当时用 netstat 也没有找到跟目标 ip 符合的进程。 除了封掉这个疯狂拉我数据的 ip 以外,还有什么办法解决吗? https://pic.superbed.cn/item/5c9480e33a213b0417e0cb5d

    8 replies    2019-03-23 07:49:28 +08:00
    CallMeReznov
        1
    CallMeReznov  
       Mar 22, 2019
    memcache? 被黑当肉鸡了吧
    whahugao
        2
    whahugao  
    OP
       Mar 22, 2019 via Android
    好像是因为 memcached 配置里没有禁止公网访问,被干了。 刚关掉了公网权限,禁了 ip,再观察一下。几分钟 20g 就没了,太可怕了。
    whypool
        3
    whypool  
       Mar 22, 2019
    被扫到公开端口无鉴权的服务,被黑了
    nazor
        4
    nazor  
       Mar 22, 2019
    Memcached UDP 反射攻击
    mason961125
        5
    mason961125  
       Mar 22, 2019 via iPhone
    该庆幸你没被删机器……
    ly4572615
        6
    ly4572615  
       Mar 22, 2019
    Memcached 去年爆了个漏洞
    webjin1
        7
    webjin1  
       Mar 22, 2019
    Memcached 监听 127.0.0.1 地址,反正不要监听 0.0.0.0 和公网 ip
    opengps
        8
    opengps  
       Mar 23, 2019 via Android
    被利用了,反射攻击别人去了
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