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Old 01-05-2005, 06:20 PM   #1
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Registered: Dec 2004
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how to read log watch


Recently lots of websites running phpbb got hacked. My dedicated server was attacked too.

While I am still searching around for the impact, I am now reading the daily email for logwatch more closely.

I saw following suspicious ftp connections in logwatch. Could someone give me any porinter on what they mean ?

Thank you very much in advance.

(I don't know the IP of , and sure dont allow it for ftp, but it looks it successfully connected. Actually I have stopped all my ftp service.

But it looks some ftp services will be started by inet.d on demand when there is client. How to track this down? e.g which account did he use to connect ?

Here is part of my daily logwatch email excerpt.

--------------------- proftpd-messages Begin ------------------------

**Unmatched Entries** ([]) - no such user
'' ([]) - FTP no transfer timeout, disconnected

---------------------- proftpd-messages End -------------------------

--------------------- Connections (secure-log) Begin ------------------------

Service ftp: 17 Time(s)

**Unmatched Entries**
xinetd[3276]: START: sgi_fam pid=29861 from=<no address>
xinetd[3276]: START: sgi_fam pid=29866 from=<no address>
xinetd[3276]: START: sgi_fam pid=29871 from=<no address>
xinetd[3276]: START: sgi_fam pid=29900 from=<no address>
xinetd[3276]: START: sgi_fam pid=29922 from=<no address>

---------------------- Connections (secure-log) End -------------------------

Last edited by ru916b; 01-05-2005 at 06:28 PM.
Old 01-05-2005, 10:55 PM   #2
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Registered: Mar 2003
Distribution: Fedora
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The sgi_fam/xinetd entries are probably unrelated to the ftp log entries. This entry looks like someone attempting an anonymous login (anonymous logins usually require you to enter an email address) which failed:
Code: ([]) - no such user
How do you have your ftp configured (Does it allow anonymous access or does it require authentication)? What do you see in /var/log/xferlog ? Any abnormal log messages in the system logs?

To see what network services are running use: netstat -pantu


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