full-disclosure - reduction of brute force login attempts via SSHthrough iptables --hashlimit

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Date: Tue Feb 28 23:04:20 2006
From: full-disclosure at kharkerlake.net (Christian "Khark" Lauf)
Subject: reduction of brute force login attempts via
	SSHthrough iptables --hashlimit

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Ho,

Josh Berry wrote:

> I could be wrong, but doesn't last/lastb show users have have logged
> in/out.  Therefore it wouldn't necessarily catch brute-forcers (unless
> they were actually successful)?

Under Debian Sarge all failed/successfull logins and su-actions are
logged to /var/log/auth.log.
lastb isn't touched. Even if it exists.

Greetings,
  Christian "Khark" Lauf
- --
Christian "Khark" Lauf <khark@...rkerlake.net>
GPG: 0x6AADC60A | IRCnet/silcnyet: Khark
silcnyet-Fingerprint: 9424 E3BF B637 E1FC E355 BA7C 01CC 1B68 3A1C E330
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