Re: Trendmicro Viruswall Linux POP scanning

From: JM (jmurdock@itraktech.com)
Date: 02/23/02 

From: "JM" <jmurdock@itraktech.com>
Date: Sat, 23 Feb 2002 13:49:46 -0500

"Wolfgang Kueter" <wolfgang@shconnect.de> wrote in message
news:a57stv$vur$1@news.shlink.de...
> JM wrote:

> > If it is scanned the incoming SMTP, before delivery to the mailbox,
> > why would you need to scan it during the POP download?
>
> That is the right question to ask. The only reason I can imagine are
> connections to external POP3 servers that run no scanner. However such
> connections should actually not be allowed and therefore should be
> blocked by the firewall rules if one runs an own smtp server that
> offers a scanner for incoming mail.
>
> > I know of nothing that does this. The closest thing would be the
> > desktop scanners that proxy the POP session.
>
> Could offer a little help. Blocking POP3 connections to external
> servers is the better way.
>
Agreed. I hate the desktop POP scanners anyway, they cause too many
support headaches, adding an extra layer of configuration at the user level.

Most of the time there is a web mail interface to the needed source, which
then hopefully gets caught by the http scanner. But even then, if it's an
ssl connection, it can't be scanned.

Any corporate solution where web access is allowed must have at it's heart
reliable, up to date desktop scanning and rational access controls at it's
core. SMTP as the primary method of infection also needs to be addressed.
Everything else offers only minimally incremental protection.

Jerry

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