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Thread: AZ_FORMAT_ERROR




AZ_FORMAT_ERROR
country flaguser name
United States
2007-05-23 15:17:48
When I test with the eicar_com.zip or eicarcom2.zip files, I
get this
entry in the mail log:

amavis[855]: (00855-01) (!)do_unzip: not a zip:
AZ_FORMAT_ERROR (3)

The non-zipped test files are recognized fine and handled
properly.

How can I fix this error?

- FreeBSD 6.2-STABLE
- amavisd-new-2.5.0,1
- postfix-2.4.1,1

Log file snippet:

May 23 15:40:01 iguana amavis[743]: starting. 
/usr/local/sbin/amavisd at
iguana.floco.com amavisd-new-2.5.0 (20070423), Unicode
aware
May 23 15:40:01 iguana amavis[743]: Perl version            
  5.008008
May 23 15:40:02 iguana amavis[746]: Module Amavis::Conf     
  2.086
May 23 15:40:02 iguana amavis[746]: Module Archive::Zip     
  1.18
May 23 15:40:02 iguana amavis[746]: Module BerkeleyDB       
  0.31
May 23 15:40:02 iguana amavis[746]: Module Compress::Zlib   
  2.004
May 23 15:40:02 iguana amavis[746]: Module Convert::TNEF    
  0.17
May 23 15:40:02 iguana amavis[746]: Module Convert::UUlib   
  1.08
May 23 15:40:02 iguana amavis[746]: Module DB_File          
  1.814
May 23 15:40:02 iguana amavis[746]: Module Digest::MD5      
  2.36
May 23 15:40:02 iguana amavis[746]: Module IO::Socket::INET6
  2.51
May 23 15:40:02 iguana amavis[746]: Module MIME::Entity     
  5.420
May 23 15:40:02 iguana amavis[746]: Module MIME::Parser     
  5.420
May 23 15:40:02 iguana amavis[746]: Module MIME::Tools      
  5.420
May 23 15:40:02 iguana amavis[746]: Module Mail::Header     
  1.74
May 23 15:40:02 iguana amavis[746]: Module Mail::Internet   
  1.74
May 23 15:40:02 iguana amavis[746]: Module
Mail::SpamAssassin  3.001008
May 23 15:40:02 iguana amavis[746]: Module Net:NS      
     0.59
May 23 15:40:02 iguana amavis[746]: Module Net::Server      
  0.96
May 23 15:40:02 iguana amavis[746]: Module
Net::Server::PreFork 0.96
May 23 15:40:02 iguana amavis[746]: Module
Net::Server::PreForkSimple 0.96
May 23 15:40:02 iguana amavis[746]: Module
Razor2::Client::Version 2.82
May 23 15:40:02 iguana amavis[746]: Module Time::HiRes      
  1.9707
May 23 15:40:02 iguana amavis[746]: Module URI              
  1.35
May 23 15:40:02 iguana amavis[746]: Module Unix::Syslog     
  0.100
May 23 15:40:02 iguana amavis[746]: Amavis:B code  
   loaded
May 23 15:40:02 iguana amavis[746]: Amavis::Cache code  
loaded
May 23 15:40:02 iguana amavis[746]: SQL base code        NOT
loaded
May 23 15:40:02 iguana amavis[746]: SQL::Log code        NOT
loaded
May 23 15:40:02 iguana amavis[746]: SQL::Quarantine      NOT
loaded
May 23 15:40:02 iguana amavis[746]: Lookup::SQL code     NOT
loaded
May 23 15:40:02 iguana amavis[746]: Lookup::LDAP code    NOT
loaded
May 23 15:40:02 iguana amavis[746]: AM.PDP-in proto code
loaded
May 23 15:40:02 iguana amavis[746]: SMTP-in proto code  
loaded
May 23 15:40:02 iguana amavis[746]: Courier proto code   NOT
loaded
May 23 15:40:02 iguana amavis[746]: SMTP-out proto code 
loaded
May 23 15:40:02 iguana amavis[746]: Pipe-out proto code  NOT
loaded
May 23 15:40:02 iguana amavis[746]: BSMTP-out proto code NOT
loaded
May 23 15:40:02 iguana amavis[746]: Local-out proto code
loaded
May 23 15:40:02 iguana amavis[746]: OS_Fingerprint code  NOT
loaded
May 23 15:40:02 iguana amavis[746]: ANTI-VIRUS code     
loaded
May 23 15:40:02 iguana amavis[746]: ANTI-SPAM code      
loaded
May 23 15:40:02 iguana amavis[746]: ANTI-SPAM-SA code   
loaded
May 23 15:40:02 iguana amavis[746]: Unpackers code      
loaded
May 23 15:40:02 iguana amavis[746]: Found $file           
at
/usr/local/bin/file
May 23 15:40:02 iguana amavis[746]: No $dspam,            
not using it
May 23 15:40:02 iguana amavis[746]: No $altermime,        
not using it
May 23 15:40:02 iguana amavis[746]: Internal decoder for
.mail
May 23 15:40:02 iguana amavis[746]: Internal decoder for
.asc
May 23 15:40:02 iguana amavis[746]: Internal decoder for
.uue
May 23 15:40:02 iguana amavis[746]: Internal decoder for
.hqx
May 23 15:40:02 iguana amavis[746]: Internal decoder for
.ync
May 23 15:40:02 iguana amavis[746]: Found decoder for    .F 
  at
/usr/local/bin/unfreeze
May 23 15:40:02 iguana amavis[746]: Found decoder for    .Z 
  at
/usr/bin/uncompress
May 23 15:40:02 iguana amavis[746]: Found decoder for    .gz
  at
/usr/bin/gzip -d
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.bz2  at
/usr/bin/bzip2 -d
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.lzo  at
/usr/local/bin/lzop -d
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.rpm  at
/usr/local/bin/rpm2cpio.pl
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.cpio at /bin/pax
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.tar  at /bin/pax
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.deb  at
/usr/bin/ar
May 23 15:40:02 iguana amavis[746]: Internal decoder for
.zip
May 23 15:40:02 iguana amavis[746]: Found decoder for    .7z
  at
/usr/local/bin/7zr
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.rar  at
/usr/local/bin/unrar
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.arj  at
/usr/local/bin/arj
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.arc  at
/usr/local/bin/arc
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.zoo  at
/usr/local/bin/zoo
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.lha  at
/usr/local/bin/lha
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.cab  at
/usr/local/bin/cabextract
May 23 15:40:02 iguana amavis[746]: No decoder for      
.tnef tried: tnef
May 23 15:40:02 iguana amavis[746]: Internal decoder for
.tnef
May 23 15:40:02 iguana amavis[746]: Found decoder for   
.exe  at
/usr/local/bin/unrar; /usr/local/bin/lha;
/usr/local/bin/arj
May 23 15:40:02 iguana amavis[746]: Using primary internal
av scanner
code for ClamAV-clamd
May 23 15:40:02 iguana amavis[746]: Found secondary av
scanner
ClamAV-clamscan at /usr/local/bin/clamscan
May 23 15:40:02 iguana amavis[746]: Creating db in
/var/amavis/db/;
BerkeleyDB 0.31, libdb 4.1

Testing with eicar_com.zip:

May 23 15:42:45 iguana postfix/pickup[821]: 0AA175CAB:
uid=1001
from=<jdohanics>
May 23 15:42:45 iguana postfix/cleanup[2153]: 0AA175CAB:
message-id=<20070523194245.0AA175CABiguana.floco.com>
May 23 15:42:45 iguana postfix/qmgr[822]: 0AA175CAB:
from=<jdohanicsiguana.floco.com>, size=327, nrcpt=1
(queue active)
May 23 15:42:45 iguana amavis[2057]: (02057-01) (!)do_unzip:
not a zip:
AZ_FORMAT_ERROR (3)
May 23 15:42:46 iguana postfix/smtpd[2157]: connect from
localhost[127.0.0.1]
May 23 15:42:46 iguana postfix/smtpd[2157]: EE7935CAD:
client=localhost[127.0.0.1]
May 23 15:42:46 iguana postfix/cleanup[2153]: EE7935CAD:
message-id=<20070523194245.0AA175CABiguana.floco.com>
May 23 15:42:46 iguana postfix/smtpd[2157]: disconnect from
localhost[127.0.0.1]
May 23 15:42:46 iguana postfix/qmgr[822]: EE7935CAD:
from=<jdohanicsiguana.floco.com>, size=758, nrcpt=1
(queue active)
May 23 15:42:46 iguana amavis[2057]: (02057-01) Passed
CLEAN,
<jdohanicsiguana.floco.com> ->
<jdohanicsfloco.com>, Message-ID:
<20070523194245.0AA175CABiguana.floco.com>,
mail_id: 462Rh88dBfcl,
Hits: 0.102, size: 327, queued_as: EE7935CAD, 1734 ms
May 23 15:42:46 iguana postfix/smtp[2155]: 0AA175CAB:
to=<jdohanicsfloco.com>,
relay=127.0.0.1[127.0.0.1]:10024, delay=2.1,
delays=0.22/0.16/0.01/1.7, dsn=2.0.0, status=sent (250 2.0.0
Ok: queued
as EE7935CAD)
May 23 15:42:46 iguana postfix/qmgr[822]: 0AA175CAB:
removed
May 23 15:42:47 iguana postfix/local[2159]: EE7935CAD:
to=<jdohanicsfloco.com>, relay=local, delay=0.17,
delays=0/0.1/0/0.07,
dsn=2.0.0, status=sent (delivered to maildir)
May 23 15:42:47 iguana postfix/qmgr[822]: EE7935CAD:
removed

Testing with eicar.com:

May 23 16:14:56 iguana postfix/pickup[821]: E07425CAB:
uid=1001
from=<jdohanics>
May 23 16:14:56 iguana postfix/cleanup[2387]: E07425CAB:
message-id=<20070523201456.E07425CABiguana.floco.com>
May 23 16:14:56 iguana postfix/qmgr[822]: E07425CAB:
from=<jdohanicsiguana.floco.com>, size=383, nrcpt=1
(queue active)
May 23 16:14:57 iguana postfix/smtpd[2391]: connect from
localhost[127.0.0.1]
May 23 16:14:57 iguana postfix/smtpd[2391]: 677BA5CAD:
client=localhost[127.0.0.1]
May 23 16:14:57 iguana postfix/cleanup[2387]: 677BA5CAD:
message-id=<VA9nJ7rIVPQlGniguana.floco.com>
May 23 16:14:57 iguana postfix/smtpd[2391]: disconnect from
localhost[127.0.0.1]
May 23 16:14:57 iguana postfix/qmgr[822]: 677BA5CAD:
from=<virusalertfloco.com>, size=1929, nrcpt=1 (queue
active)
May 23 16:14:57 iguana postfix/smtpd[2391]: connect from
localhost[127.0.0.1]
May 23 16:14:57 iguana postfix/smtpd[2391]: 7CACC5CAF:
client=localhost[127.0.0.1]
May 23 16:14:57 iguana postfix/cleanup[2387]: 7CACC5CAF:
message-id=<VR9nJ7rIVPQlGniguana.floco.com>
May 23 16:14:57 iguana postfix/qmgr[822]: 7CACC5CAF:
from=<virusalertfloco.com>, size=1051, nrcpt=1 (queue
active)
May 23 16:14:57 iguana postfix/smtpd[2391]: disconnect from
localhost[127.0.0.1]
May 23 16:14:57 iguana amavis[2056]: (02056-01) Blocked
INFECTED
(Eicar-Test-Signature), <jdohanicsiguana.floco.com> ->
<jdohanicsfloco.com>, quarantine:
virus-9nJ7rIVPQlGn, Message-ID:
<20070523201456.E07425CABiguana.floco.com>,
mail_id: 9nJ7rIVPQlGn,
Hits: -, size: 383, 623 ms
May 23 16:14:57 iguana postfix/cleanup[2393]: 813295CB0:
message-id=<VA9nJ7rIVPQlGniguana.floco.com>
May 23 16:14:57 iguana postfix/smtp[2389]: E07425CAB:
to=<jdohanicsfloco.com>,
relay=127.0.0.1[127.0.0.1]:10024, delay=0.67,
delays=0.02/0.01/0.01/0.63, dsn=2.7.0, status=sent (254
2.7.0 Ok,
discarded, id=02056-01 - VIRUS: Eicar-Test-Signature)
May 23 16:14:57 iguana postfix/qmgr[822]: E07425CAB:
removed

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Re: AZ_FORMAT_ERROR
country flaguser name
Slovenia
2007-05-23 18:07:13
Janos,

> When I test with the eicar_com.zip or eicarcom2.zip
files, I get this
> entry in the mail log:
>
> amavis[855]: (00855-01) (!)do_unzip: not a zip:
AZ_FORMAT_ERROR (3)
>
> The non-zipped test files are recognized fine and
handled properly.

How are you encoding these binary files when forming a
mail?
You can't place a binary file as a mime body without
encoding it,
some characters may not be modified or deleted by mailers.

  Mark

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Re: AZ_FORMAT_ERROR
country flaguser name
United States
2007-05-24 08:50:43
At 07:07 PM 5/23/2007, you wrote:
>Janos,
>
> > When I test with the eicar_com.zip or
eicarcom2.zip files, I get this
> > entry in the mail log:
> >
> > amavis[855]: (00855-01) (!)do_unzip: not a zip:
AZ_FORMAT_ERROR (3)
> >
> > The non-zipped test files are recognized fine and
handled properly.
>
>How are you encoding these binary files when forming a
mail?
>You can't place a binary file as a mime body without
encoding it,
>some characters may not be modified or deleted by
mailers.
>
>   Mark

Mark,

I didn't - duuhhh!

Thank you...

Janos



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