Attachments are not scanned - still is not rejecting denied extensions like .exe

Derek Winkler dwinkler at ALGORITHMICS.COM
Wed Jan 8 21:21:49 GMT 2003


What you're doing doesn't attach the .exe file, it make the .exe file the
contents of the email.

uuencode is a pretty easy way of attaching files from the command line.

uuencode whatever.exe < whatever.exe | mail -s "Whatever"
whoever at wherever.com

-----Original Message-----
From: Matthew Bowman [mailto:mbowman at udcom.com]
Sent: Wednesday, January 08, 2003 4:06 PM
To: MAILSCANNER at jiscmail.ac.uk
Subject: Re: Attachments are not scanned - still is not rejecting denied
extensions like .exe


Hello Magda

The server that you are running mail -v on - does that run MailScanner?
I ran a similiar command to yours on my server running MailScanner and it
sent it through embedded into the e-mail not as an attachment.
I then sent an e-mail from a domain thats filtered through MailScanner with
an attachment .exe and it removed the file from the e-mail ok.

Regards,

Matthew K Bowman
Systems Administrator; Hostmaster; Miva Administrator
Universal Digital Communications, Mansfield Ohio.




                    Magda Hewryk
                    <MHewryk at SYMCOR.CO       To:
MAILSCANNER at JISCMAIL.AC.UK
                    M>                       cc:
                    Sent by:                 Subject:     Re: Attachments
are not scanned  - still is not rejecting denied         extensions like
                    MailScanner               .exe
                    mailing list
                    <MAILSCANNER at JISCM
                    AIL.AC.UK>


                    01/08/2003 03:54
                    PM
                    Please respond to
                    MailScanner
                    mailing list





Hi,

I've changed config file for Scanning and Scanner's but still MailScanner
doesn't flag the email as "wrong attachment"

Virus Scanning = yes
Virus Scanners = none

#   mail -v mhewryk -s "report No. 5" < f-prot.exe

Jan  8 15:48:46 tonka MailScanner[6561]: New Batch: Scanning 1 messages,
28455 bytes
Jan  8 15:48:48 tonka MailScanner[6561]: Spam Checks: Starting
Jan  8 15:49:02 tonka MailScanner[6561]: RBL Check  timed out and was
killed, consecutive failure 1 of 7
Jan  8 15:51:07 tonka MailScanner[6561]: Virus and Content Scanning:
Starting
Jan  8 15:51:07 tonka MailScanner[6561]: Uninfected: Delivered 1 messages

Thanks,

Magda Hewryk
--------------------------------
Mid-Range Systems
RSP:   905-273-1637
CELL:   416-948-4427



                    "Spicer, Kevin"
                    <Kevin.Spicer at BMRB        To:
MAILSCANNER at JISCMAIL.AC.UK
                    .CO.UK>                   cc:
                    Sent by:                  Subject:     Re: Attachments
are not scanned  - no help from
                    MailScanner               anybody?
                    mailing list
                    <MAILSCANNER at JISCM
                    AIL.AC.UK>


                    01/08/2003 03:10
                    PM
                    Please respond to
                    MailScanner
                    mailing list






> Some configurations from my MailScanner.conf
> =====================================
> Virus Scanning = no
> Filename Rules = /etc/MailScanner/filename.rules.conf
> Quarantine Infections = yes
> Deleted Bad Filename Message Report =
> /etc/MailScanner/reports/en/deleted.filename.message.txt
> Stored Bad Filename Message Report =
> /etc/MailScanner/reports/en/stored.filename.message.txt
>
Virus Scanning = no turns off all processing of the messages.  I think you
want

Virus Scanning = yes
Virus Scanners = none

[The config files suggest you can turn off virus scanning by Virus Scanners
= sophos - but I suspect that's an error, maybe its fixed in 4.11?]
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