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Ethereal is a good choice...set filter to capture only SMTP, POP3, IMAP, HTTP traffic.<br />
For best effect, read the manual...;-)<br />
<br />
Ethereal User Guide V2.00 for Ethereal 0.10.5<br />
<a href="http://www.ethereal.com/docs/user-guide/" rel="ugc">http://www.ethereal.com/docs/user-guide/</a><br />

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Ethereal is a good choice...set filter to capture only SMTP, POP3, IMAP, HTTP traffic.
For best effect, read the manual...;-)

Ethereal User Guide V2.00 for Ethereal 0.10.5
http://www.ethereal.com/docs/user-guide/ [http://www.ethereal.com/docs/user-guide/]


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Errr... btw, you can download a free trial,<br />
<a href="http://www.gfi.com/downloads/downloads.asp?pid=8&lid=1" rel="ugc">http://www.gfi.com/downloads/downloads.asp?pid=8&lid=1</a><br />
<br />
This should get you started...;-)
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Errr... btw, you can download a free trial,
http://www.gfi.com/downloads/downloads.asp?pid=8&lid=1 [http://www.gfi.com/downloads/downloads.asp?pid=8&lid=1]

This should get you started...;-)

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consider a program like Norton SAV? this will let you install to, keep updated and scan the whole network with three mouse clicks... alternatively Panda Software do somethin that works well too<br />
<br />

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consider a program like Norton SAV? this will let you install to, keep updated and scan the whole network with three mouse clicks... alternatively Panda Software do somethin that works well too



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I run a Win2003 server with GFI Mail Security. Unlike other AV products I have used, especially on Linux platforms, GFI does not indicate where the virus came from, no IP, nothing. Does anyone know of any software which I can run analyse the LAN and can tell me the IP of the client(s) which are sending mass emails because of virus infection.<br />
I have used ethereal but the info it produces on all network traffic is just too much!
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I run a Win2003 server with GFI Mail Security. Unlike other AV products I have used, especially on Linux platforms, GFI does not indicate where the virus came from, no IP, nothing. Does anyone know of any software which I can run analyse the LAN and can tell me the IP of the client(s) which are sending mass emails because of virus infection.
I have used ethereal but the info it produces on all network traffic is just too much!

Tracking virus contaminated LAN client

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.

Security

Network security consists of the policies adopted to prevent and monitor authorized access, misuse, modification, or denial of a computer network and network-accessible resources. Network security involves the authorization of access to data in a network, and covers a variety of computer networks; conducting transactions and communications among businesses, government agencies and individuals. Networks can be private, such as within a company, and others which might be open to public access.