P3Scan
Details
| Last Update: | 2008-01-14 11:01:19 |
| Version: | 2.9.09d |
| License/Program Type: | GPL (GNU General Public License) |
| Publisher: | Jack S. Lai |
| Price: | $0.00 |
Description:
P3Scan is a full transparent proxy server for email clients.
It runs on a Linux box with iptables (for port redirection).
P3Scan can be used to provide email scanning from the Internet
to any internal network, and is ideal for helping to protect your
"Other OS" LAN from harm, especially when used in conjunction
with a firewall and other Internet proxy servers.
It is designed to enable scanning of incoming email messages
for viruses, worms, trojans, spam, and harmful attachments. Because
viewing HTML email can enable a spammer to validate an email
address (via Web bugs), it can also provide HTML stripping.
You have to set up a port redirection with iptables so that all
connections from e.g. inside your office to any POP3/POP3S/SMTP
server outside in the world will not leave your router, but come to
a local port, on which P3Scan listens.
P3Scan receives from the Linux kernel the original destination
(the email server outside in the world) and will connect to
them.
All data we receive from the client will be sent to the server,
and vice versa. With a little enhancement: we parse the necessary
parts of the protocol and when an email is sent from the server, we
store it into a file, invoke our scanning, and send it along if it
is good, or in the event of POP3/POP3S we replace it with a virus
notification and optionally delete the infected message. For
infected SMTP messages, we reject the message.
It should be possible to use all scanners using the
scannertype=basic.
Also, P3Scan provides scannertype=avpd for high-speed scanning
using 'Kaspersky Anti-Virus for Linux', every C programmer can
easily adept other scan-daemons (trophie, sophie, antivir,
...).
Neither the client nor the server has to be configured, none of
them will take notice that there's a mail scanner (except the
client when he gets a virus notification or if he looks into the
header, and the server gets our ip as source).
Requirements:
· iptables - Normally installed by default on major
Linux Distributions.
· libpcre - Normally installed by default on major Linux
Distributions.
An Anti-Virus program
P3Scan is known to work with:
· Kaspersky Anti-Virus for Linux (AVPD)
· Trophie Anti-Virus Daemon
· FRISK F-Prot Antivirus
· Clam AntiVirus
· F-Secure Anti-Virus
· Any other virus scanner that can output it's report
to the console (stdout) so that it can be captured with
"2>&1".
· DSPAM Statistical Spam Protection (optional)
· Mail::SpamAssassin (optional)
· renattach (optional)
What's New in 2.3.2 Stable Release:
· This release upgrades RipMIME to 1.4.0.6, fixes demime
and p3scan.extra bugs, and adds some features.
What's New in 2.9.09d Development Release:
· Includes changes for internal libclamav scanning
(p3scan's default scanner now).
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