From: Pavel Stoliarov <mylinux02@mail.ru>
To: ALT Linux Community <community@lists.altlinux.org>
Subject: [Comm] Arp flood
Date: Wed, 12 Jul 2006 11:20:05 +0500
Message-ID: <44B49495.6090209@mail.ru> (raw)
Имееться сервак с двумя интерфейсами.
eth0 смотрит во внутреннюю сеть, eth1 во внешнюю ( adsl подключение )
Последнее время наблюдаю постоянный arp флуд на внешнем интерфейсе eth1 :
...
09:36:30.794103 arp who-has 192.168.0.133 tell 192.168.0.45
09:36:30.795068 arp who-has 192.168.0.109 tell 192.168.0.45
09:36:31.013098 arp who-has 192.168.0.120 tell 192.168.0.45
09:36:31.014112 arp who-has 192.168.0.138 tell 192.168.0.45
09:36:31.014367 arp who-has 192.168.0.114 tell 192.168.0.45
09:36:31.060179 arp who-has 192.168.0.108 tell 192.168.0.45
09:36:31.122993 arp who-has 192.168.0.106 tell 192.168.0.45
09:36:31.279038 arp who-has 192.168.0.104 tell 192.168.0.45
09:36:31.560073 arp who-has 192.168.0.123 tell 192.168.0.45
09:36:31.716334 arp who-has 192.168.0.111 tell 192.168.0.45
09:36:31.778853 arp who-has 192.168.0.112 tell 192.168.0.45
09:36:31.779622 arp who-has 192.168.0.105 tell 192.168.0.45
09:36:31.888001 arp who-has 192.168.0.107 tell 192.168.0.45
09:36:31.950369 arp who-has 192.168.0.116 tell 192.168.0.45
...
Причем ни одного из вышеперечисленных IP так как и 0.45 в моей сети нет
и никогда
не было. На внутреннем eth0 а так же и на loopback такой картины не
наблюдаеться.
Как бороться с таким флудингом ?
--
Pavel Stoliarov
next reply other threads:[~2006-07-12 6:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-12 6:20 Pavel Stoliarov [this message]
2006-07-12 6:31 ` Dmitriy L. Kruglikov
2006-07-12 7:59 ` Pavel Stoliarov
2006-08-02 8:15 ` Vladimir V. Kamarzin
2006-08-02 12:11 ` Vyatcheslav Perevalov
2006-07-12 9:05 ` Serge A. Ribalchenko
2006-07-12 9:32 ` Dmitriy L. Kruglikov
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