Re: ftpd - security thread ?

2007-05-05 Thread Simon Valiquette

François TOURDE un jour écrivit:
> Le 13639ième jour après Epoch,
> Lubos Rendek écrivait:
>> Can anyone explain why is this happening? Why is my box connecting to
>> that IP address without me actually knowing about that?
>
> Perhaps it's because ftp.wa.au.debian.org (aka poledra.it.net.au) is
> listed in http://www.fr.debian.org/CD/http-ftp/ as a Debian mirror ?
> :)

  I first tough It could be him simply downloading this package from an 
autralian http mirror.  I found out to effectively be the IP for 
ftp.wa.au.debian.org, but I received your email only when I was about to 
answer.



  How to reproduce It?  apt-get -Vu remove --purge ftpd

  Then your next installation will again download ftpd from this mirror. 
 Unless me missed something, problem solved.



Simon Valiquette


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Re: ftpd - security thread ?

2007-05-05 Thread François TOURDE
Le 13639ième jour après Epoch,
Lubos Rendek écrivait:

> Hello,
>
> Recently I have played with ftpd package from stable repository and I
> have discovered that every time the package gets installed it connects
> to certain IP address on port 80.
[...]
> running reverse dig command:
> dig -x 203.8.116.111
>
> ;; ANSWER SECTION:
> 111.116.8.203.in-addr.arpa. 21600 INPTR poledra.it.net.au.
>
>
> I get poledra.it.net.au and a web browser reveals :
> "Hello. Welcome to the FTP archives of Informed Technology."
>
> 
> This web page is run by company http://www.it.net.au.
>
> Can anyone explain why is this happening? Why is my box connecting to
> that IP address without me actually knowing about that?

Perhaps it's because ftp.wa.au.debian.org (aka poledra.it.net.au) is
listed in http://www.fr.debian.org/CD/http-ftp/ as a Debian mirror ?
:)



Re: ftpd - security thread ?

2007-05-05 Thread Bernd Eckenfels
In article <[EMAIL PROTECTED]> you wrote:
> to certain IP address on port 80. With simple bash script I have
> captured output of netstat while the ftpd package is getting
> installed:

try tcpdump, maybe it helps us if we know the content of that connection.

> that IP address without me actually knowing about that? To me it seems
> as a security thread. At the moment it appears that this happens only
> if ftpd package is installed for a first time so
> # dpkg -P ftpd
> # apt-get install ftpd
> does not create any connections.

So you need to re-install debian to reproduce it? or how can you trigger it?
Are you installing it from CD? how does your apt/sources.list looks like? Do
you mean 4.0 or 3.1 debian stable?

Greetings
Bernd


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ftpd - security thread ?

2007-05-05 Thread Lubos Rendek

Hello,

Recently I have played with ftpd package from stable repository and I
have discovered that every time the package gets installed it connects
to certain IP address on port 80. With simple bash script I have
captured output of netstat while the ftpd package is getting
installed:
+++
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address   Foreign Address State
tcp0  0 127.0.0.1:3306  0.0.0.0:*   LISTEN
tcp0  1 10.1.1.200:3938 203.8.116.111:80SYN_SENT
tcp6   0  0 :::80   :::*LISTEN
tcp6   0  0 :::22   :::*LISTEN
tcp6   0  0 :::10.1.1.200:22:::10.1.1.2:4716ESTABLISHED
tcp6   0  0 :::10.1.1.200:22:::10.1.1.2:2572ESTABLISHED
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address   Foreign Address State
tcp0  0 127.0.0.1:3306  0.0.0.0:*   LISTEN
tcp0154 10.1.1.200:3938 203.8.116.111:80ESTABLISHED
tcp6   0  0 :::80   :::*LISTEN
tcp6   0  0 :::22   :::*LISTEN
tcp6   0  0 :::10.1.1.200:22:::10.1.1.2:4716ESTABLISHED
tcp6   0  0 :::10.1.1.200:22:::10.1.1.2:2572ESTABLISHED
++

running reverse dig command:
dig -x 203.8.116.111

;; ANSWER SECTION:
111.116.8.203.in-addr.arpa. 21600 INPTR poledra.it.net.au.


I get poledra.it.net.au and a web browser reveals :
"Hello. Welcome to the FTP archives of Informed Technology."


This web page is run by company http://www.it.net.au.

Can anyone explain why is this happening? Why is my box connecting to
that IP address without me actually knowing about that? To me it seems
as a security thread. At the moment it appears that this happens only
if ftpd package is installed for a first time so
# dpkg -P ftpd
# apt-get install ftpd
does not create any connections.

thank you

lubos


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