Accessing private information

[Larry Brown]

It is much easier to use ethereal.  It is a nice GUI interface that allows
you to sort the results by time the packet arrived, port, source,
destination etc.  It is pretty easy to install from the rpm and does not
need any special configs to simply capture packets.  You can look up the
syntax to filter by port, but since you can sort the results by port, for
short term captures, I just capture everything and the sort it.

Larry

-----Original Message-----
From: redhat-list-bounces at redhat.com
[mailto:redhat-list-bounces at redhat.com]On Behalf Of Rudolf A
Sent: Sunday, June 06, 2004 9:03 AM
To: General Red Hat Linux discussion list
Subject: Re: Accessing private information


For example my computer IP is 192.168.1.21, and my server eth1 IP is
192.168.1.1 and I am chating in yahoo messenger.
I want to see my yahoo messenger texts on the server. For TCPDUMP what is
the command to dump that text ?.

Thanks.




----- Original Message -----
From: "MKlinke" <mklinke at axsi.com>
To: "General Red Hat Linux discussion list" <redhat-list at redhat.com>
Sent: Sunday, June 06, 2004 5:21 PM
Subject: Re: Accessing private information


> On Sunday 06 June 2004 01:10, Rudolf A wrote:
> > Hello All,
> >
> > We have Linux RedHat 9 server (Iptables, NAT, PROXY, etc), which
> > serves as a router for our network.
> >
> > Through that server, network users are chatting by MSN, Yahoo
> > Messenger, ICQ etc... The question is the following.
> >
> > Is it possibility for Linux Administrator, to access to their chat
> > text, to read that information of chatting on the server?.
> >
> > Thanks.
> > Rudolf
>
> Yes, as Ed mentioned, and in addition to monitoring directly on the
> router all network traffic can also be monitored by any of several
> intrusion detection systems (snort, for example) that will, by
> default, flag this type of traffic as potentially dangerous and log
> all associated traffic to its database for review by the
> administrator in handy easy-to-read format.
>
> Regards,  Mike Klinke
>
>
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