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IpTables i reguły

Rozmowy nie związane ściśle z Gentoo

Moderator: SlashBeast

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shendu
n00b
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Joined: Thu Apr 03, 2008 7:44 pm

IpTables i reguły

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Post by shendu » Sun Apr 06, 2008 2:18 pm

Witam
mam problem bo caly czas mam w logach komunikat i są tym cale zawalone:

Code: Select all

Apr  1 18:47:47 xxx sshd[23333]: Invalid user web from xxx.xxx.xxx
Apr  1 18:47:50 xxx sshd[23337]: Invalid user pgsql from xxx.xxx.xxx
Apr  1 18:47:52 xxx sshd[23341]: Invalid user info from xxx.xxx.xxx
Apr  1 18:47:54 xxx sshd[23343]: Invalid user tony from xxx.xxx.xxx
Apr  1 18:47:55 xxx sshd[23349]: Invalid user core from xxx.xxx.xxx
Apr  1 18:47:57 xxx sshd[23352]: Invalid user newsletter from xxx.xxx.xxx
Apr  1 18:47:59 xxx sshd[23356]: Invalid user visitor from xxx.xxx.xxx
czy da się jakoś szybko zareagować na takie połączenia?

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dylon
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Posts: 331
Joined: Mon Mar 21, 2005 3:31 pm
Location: Gliwice

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Post by dylon » Sun Apr 06, 2008 2:30 pm

Tak. Uzyc iptables :P modul recent sie nada ...

A jak juz sie zmeczysz kombinowaniem to zrobisz jedynie konieczna rzecz, czyli: "Przeniesc sshd na inny port."

Pozdrawiam
Maciej Dylski
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shendu
n00b
n00b
Posts: 1
Joined: Thu Apr 03, 2008 7:44 pm

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Post by shendu » Sun Apr 06, 2008 2:42 pm

IpTables używam żeby komputer nie był "goły". Tylko jakoś nie specjalnie wiem jak mozna ułożyc regułe któa by to eliminowala.

Bo nie chcial bym przenosic sshd na inny port.
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Yatmai
Veteran
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Posts: 1501
Joined: Sat Nov 12, 2005 7:41 pm
Location: Kraków

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Post by Yatmai » Sun Apr 06, 2008 6:29 pm

Postaw DenyHosts ;)

Jak Ci sie chce cackać, to wyślij logi do admina co bardziej upierdliwego delikwenta.
Desktop: [Ath64 X2 2GB DDR2 GF76GT] [amd64] [2.6.29-gentoo] [nVidia] [KDE 3.5.10]
Lapek: [HP nc6000] [i686] [2.6.29-ARCH] [ati-open] [KDE 3.5.10]
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sir KAT
Tux's lil' helper
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Posts: 118
Joined: Sat Aug 27, 2005 8:29 pm
Location: Kraków

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Post by sir KAT » Mon Apr 07, 2008 3:50 pm

Iptables spisuje się w tym przypadku bardzo dobrze, sporo przykładowych zastosowań modułu recent można znaleźć w googlach.
Pozdrawiam!
Krzysiek
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