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  • weiss

    addikt

    LOGOUT blog

    Sziasztok, neten találtam iptables szabályokat az SSH brute force megregulázására.

    Chain INPUT (policy ACCEPT 57155 packets, 32M bytes)
    pkts bytes target prot opt in out source destination
    218 14448 tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:22 state NEW recent: SET name: DEFAULT side: source
    81 3888 DROP tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:22 state NEW recent: UPDATE seconds: 300 hit_count: 4 name: DEFAULT side: source

    Ennek ellenére látom az auth.log-ban, hogy nem működik igazán, mert van hogy 5 percen belül jön több kérelem is.

    Apr 15 09:34:06 raspberrypi sshd[7062]: Failed password for root from 61.174.50.224 port 4088 ssh2
    Apr 15 09:34:09 raspberrypi sshd[7062]: Failed password for root from 61.174.50.224 port 4088 ssh2
    Apr 15 09:34:12 raspberrypi sshd[7062]: Failed password for root from 61.174.50.224 port 4088 ssh2
    Apr 15 09:34:14 raspberrypi sshd[7062]: Failed password for root from 61.174.50.224 port 4088 ssh2
    Apr 15 09:34:16 raspberrypi sshd[7062]: Failed password for root from 61.174.50.224 port 4088 ssh2
    Apr 15 09:34:18 raspberrypi sshd[7062]: Failed password for root from 61.174.50.224 port 4088 ssh2
    Apr 15 09:34:43 raspberrypi sshd[7066]: Failed password for root from 61.174.50.224 port 3982 ssh2
    Apr 15 09:34:46 raspberrypi sshd[7066]: Failed password for root from 61.174.50.224 port 3982 ssh2
    Apr 15 09:34:48 raspberrypi sshd[7066]: Failed password for root from 61.174.50.224 port 3982 ssh2
    Apr 15 09:34:50 raspberrypi sshd[7066]: Failed password for root from 61.174.50.224 port 3982 ssh2
    Apr 15 09:34:52 raspberrypi sshd[7066]: Failed password for root from 61.174.50.224 port 3982 ssh2
    Apr 15 09:34:54 raspberrypi sshd[7066]: Failed password for root from 61.174.50.224 port 3982 ssh2
    Apr 15 09:35:27 raspberrypi sshd[7070]: Failed password for root from 61.174.50.224 port 4884 ssh2
    Apr 15 09:35:30 raspberrypi sshd[7070]: Failed password for root from 61.174.50.224 port 4884 ssh2
    Apr 15 09:35:31 raspberrypi sshd[7070]: Failed password for root from 61.174.50.224 port 4884 ssh2
    Apr 15 09:35:33 raspberrypi sshd[7070]: Failed password for root from 61.174.50.224 port 4884 ssh2
    Apr 15 09:35:36 raspberrypi sshd[7070]: Failed password for root from 61.174.50.224 port 4884 ssh2
    Apr 15 09:35:38 raspberrypi sshd[7070]: Failed password for root from 61.174.50.224 port 4884 ssh2

    Mit lehetne ezzel elkövetni?

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