Gentoo Archives: gentoo-user

From: "Johan Blåbäck" <johan.bluecreek@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Usernames in ssh attacks
Date: Thu, 19 Mar 2009 15:37:01
Message-Id: 1773b4950903190836h436328a9wd90d7033f8367395@mail.gmail.com
In Reply to: [gentoo-user] Usernames in ssh attacks by Paul Hartman
1 I've always had usernames when it comes to sshd's log entries in
2 auth.log, like the following:
3
4 <time> <hostname> sshd[5926]: error: PAM: Authentication failure for
5 <username> from <ip-adress>
6
7
8 On 3/19/09, Paul Hartman <paul.hartman+gentoo@×××××.com> wrote:
9 > In my ssh logs this morning I noticed a couple login attempts with
10 > usenames on them... I've never seen that before. It is usually just an
11 > IP address.
12 >
13 > Mar 18 20:19:48 [sshd] refused connect from
14 > postmaster@×××××××××××××××××××.co
15 > Mar 18 23:42:44 [sshd] refused connect from 211.116.136.107
16 > Mar 18 23:44:44 [sshd] refused connect from
17 > [U2FsdGVkX19g32YZVKMsQkl+mouWITILOicY4Iq9OQo=]@211.116.136.107
18 > Mar 19 02:41:09 [sshd] refused connect from 221.194.128.66
19 >
20 > weird... maybe the bad guys are up to something new.
21 >
22 >
23
24
25 --
26 ------------------------------------------------
27 For security reasons, all text in this mail is double-rot13 encrypted.

Replies

Subject Author
Re: [gentoo-user] Usernames in ssh attacks Paul Hartman <paul.hartman+gentoo@×××××.com>