config/amavisd/amavisd.conf

   1 use strict;
   2
   3 # a minimalistic configuration file for amavisd-new with all necessary settings
   4 #
   5 #   see amavisd.conf-default for a list of all variables with their defaults;
   6 #   see amavisd.conf-sample for a traditional-style commented file;
   7 #   for more details see documentation in INSTALL, README_FILES/*
   8 #   and at http://www.ijs.si/software/amavisd/amavisd-new-docs.html
   9
  10
  11 # COMMONLY ADJUSTED SETTINGS:
  12
  13 # @bypass_virus_checks_maps = (1);  # controls running of anti-virus code
  14 # @bypass_spam_checks_maps  = (1);  # controls running of anti-spam code
  15 # $bypass_decode_parts = 1;         # controls running of decoders&dearchivers
  16
  17 $max_servers = 2;            # num of pre-forked children (2..15 is common), -m
  18 $daemon_user  = 'amavis';    # (no default;  customary: vscan or amavis), -u
  19 $daemon_group = 'amavis';    # (no default;  customary: vscan or amavis), -g
  20
  21 $mydomain = 'ipfire.org';   # a convenient default for other settings
  22
  23 # $MYHOME = '/var/amavis';   # a convenient default for other settings, -H
  24 $TEMPBASE = "$MYHOME/tmp";   # working directory, needs to exist, -T
  25 $ENV{TMPDIR} = $TEMPBASE;    # environment variable TMPDIR, used by SA, etc.
  26 $QUARANTINEDIR = '/var/virusmails';  # -Q
  27 # $quarantine_subdir_levels = 1;  # add level of subdirs to disperse quarantine
  28
  29 # $daemon_chroot_dir = $MYHOME;   # chroot directory or undef, -R
  30
  31 # $db_home   = "$MYHOME/db";      # dir for bdb nanny/cache/snmp databases, -D
  32 # $helpers_home = "$MYHOME/var";  # working directory for SpamAssassin, -S
  33 # $lock_file = "$MYHOME/var/amavisd.lock";  # -L
  34 # $pid_file  = "$MYHOME/var/amavisd.pid";   # -P
  35 #NOTE: create directories $MYHOME/tmp, $MYHOME/var, $MYHOME/db manually
  36
  37 $log_level = 2;              # verbosity 0..5, -d
  38 $log_recip_templ = undef;    # disable by-recipient level-0 log entries
  39 $DO_SYSLOG = 1;              # log via syslogd (preferred)
  40 $syslog_facility = 'mail';   # Syslog facility as a string
  41            # e.g.: mail, daemon, user, local0, ... local7
  42 $syslog_priority = 'debug';  # Syslog base (minimal) priority as a string,
  43            # choose from: emerg, alert, crit, err, warning, notice, info, debug
  44
  45 $enable_db = 1;              # enable use of BerkeleyDB/libdb (SNMP and nanny)
  46 $enable_global_cache = 1;    # enable use of libdb-based cache if $enable_db=1
  47 $nanny_details_level = 2;    # nanny verbosity: 1: traditional, 2: detailed
  48
  49 @local_domains_maps = ( [".$mydomain"] );  # list of all local domains
  50
  51 @mynetworks = qw( 127.0.0.0/8 10.0.0.0/8 172.16.0.0/12 192.168.0.0/16 );
  52
  53 $unix_socketname = "$MYHOME/amavisd.sock";  # amavisd-release or amavis-milter
  54                # option(s) -p overrides $inet_socket_port and $unix_socketname
  55
  56 $inet_socket_port = 10024;   # listen on this local TCP port(s)
  57 # $inet_socket_port = [10024,10026];  # listen on multiple TCP ports
  58
  59 $policy_bank{'MYNETS'} = {   # mail originating from @mynetworks
  60   originating => 1,  # is true in MYNETS by default, but let's make it explicit
  61   os_fingerprint_method => undef,  # don't query p0f for internal clients
  62 };
  63
  64 # it is up to MTA to re-route mail from authenticated roaming users or
  65 # from internal hosts to a dedicated TCP port (such as 10026) for filtering
  66 $interface_policy{'10026'} = 'ORIGINATING';
  67
  68 $policy_bank{'ORIGINATING'} = {  # mail supposedly originating from our users
  69   originating => 1,  # declare that mail was submitted by our smtp client
  70   allow_disclaimers => 1,  # enables disclaimer insertion if available
  71   # notify administrator of locally originating malware
  72   virus_admin_maps => ["virusalert\@$mydomain"],
  73   spam_admin_maps  => ["spamalert\@$mydomain"],
  74   warnbadhsender   => 1,
  75   # forward to a smtpd service providing DKIM signing service
  76   forward_method => 'smtp:[127.0.0.1]:10027',
  77   # force MTA conversion to 7-bit (e.g. before DKIM signing)
  78   smtpd_discard_ehlo_keywords => ['8BITMIME'],
  79   bypass_banned_checks_maps => [1],  # allow sending any file names and types
  80   terminate_dsn_on_notify_success => 0,  # don't remove NOTIFY=SUCCESS option
  81 };
  82
  83 $interface_policy{'SOCK'} = 'AM.PDP-SOCK'; # only applies with $unix_socketname
  84
  85 # Use with amavis-release over a socket or with Petr Rehor's amavis-milter.c
  86 # (with amavis-milter.c from this package or old amavis.c client use 'AM.CL'):
  87 $policy_bank{'AM.PDP-SOCK'} = {
  88   protocol => 'AM.PDP',
  89   auth_required_release => 0,  # do not require secret_id for amavisd-release
  90 };
  91
  92 $sa_tag_level_deflt  = 2.0;  # add spam info headers if at, or above that level
  93 $sa_tag2_level_deflt = 6.2;  # add 'spam detected' headers at that level
  94 $sa_kill_level_deflt = 6.9;  # triggers spam evasive actions (e.g. blocks mail)
  95 $sa_dsn_cutoff_level = 10;   # spam level beyond which a DSN is not sent
  96 # $sa_quarantine_cutoff_level = 25; # spam level beyond which quarantine is off
  97 $penpals_bonus_score = 8;    # (no effect without a @storage_sql_dsn database)
  98 $penpals_threshold_high = $sa_kill_level_deflt;  # don't waste time on hi spam
  99
 100 $sa_mail_body_size_limit = 400*1024; # don't waste time on SA if mail is larger
 101 $sa_local_tests_only = 0;    # only tests which do not require internet access?
 102
 103 $virus_admin               = "virusalert\@$mydomain";  # notifications recip.
 104
 105 $mailfrom_notify_admin     = "virusalert\@$mydomain";  # notifications sender
 106 $mailfrom_notify_recip     = "virusalert\@$mydomain";  # notifications sender
 107 $mailfrom_notify_spamadmin = "spam.police\@$mydomain"; # notifications sender
 108 $mailfrom_to_quarantine = ''; # null return path; uses original sender if undef
 109
 110 @addr_extension_virus_maps      = ('virus');
 111 @addr_extension_banned_maps     = ('banned');
 112 @addr_extension_spam_maps       = ('spam');
 113 @addr_extension_bad_header_maps = ('badh');
 114 # $recipient_delimiter = '+';  # undef disables address extensions altogether
 115 # when enabling addr extensions do also Postfix/main.cf: recipient_delimiter=+
 116
 117 $path = '/usr/local/sbin:/usr/local/bin:/usr/sbin:/sbin:/usr/bin:/bin';
 118 # $dspam = 'dspam';
 119
 120 $MAXLEVELS = 14;
 121 $MAXFILES = 1500;
 122 $MIN_EXPANSION_QUOTA =      100*1024;  # bytes  (default undef, not enforced)
 123 $MAX_EXPANSION_QUOTA = 300*1024*1024;  # bytes  (default undef, not enforced)
 124
 125 $sa_spam_subject_tag = '***SPAM*** ';
 126 $defang_virus  = 1;  # MIME-wrap passed infected mail
 127 $defang_banned = 1;  # MIME-wrap passed mail containing banned name
 128 # for defanging bad headers only turn on certain minor contents categories:
 129 $defang_by_ccat{+CC_BADH.",3"} = 1;  # NUL or CR character in header
 130 $defang_by_ccat{+CC_BADH.",5"} = 1;  # header line longer than 998 characters
 131 $defang_by_ccat{+CC_BADH.",6"} = 1;  # header field syntax error
 132
 133
 134 # OTHER MORE COMMON SETTINGS (defaults may suffice):
 135
 136 $myhostname = 'ipfire.localdomain';  # must be a fully-qualified domain name!
 137
 138 # $notify_method  = 'smtp:[127.0.0.1]:10025';
 139 # $forward_method = 'smtp:[127.0.0.1]:10025';  # set to undef with milter!
 140
 141 $final_virus_destiny      = D_DISCARD;
 142 $final_banned_destiny     = D_BOUNCE;
 143 $final_spam_destiny       = D_DISCARD;
 144 $final_bad_header_destiny = D_PASS;
 145
 146
 147 # Notify virus sender?  Bloß nicht!
 148 $warnvirussender = 0;
 149 # Notify spam sender?   Bloß nicht!
 150 $warnspamsender = 0;
 151 # Notify sender of banned files?  Kann man machen.
 152 $warnbannedsender = 1;
 153 # Notify sender of syntactically invalid header containing non-ASCII characters? Bloß nicht!
 154 #$warnbadsender = 0;
 155 # Notify virus (or banned files) RECIPIENT? Wie man möchte, ich finde es sinnvoll.
 156 $warnvirusrecip = 1;
 157 $warnbannedrecip = 1;
 158 $warnbadhrecip = 1;
 159
 160 # SOME OTHER VARIABLES WORTH CONSIDERING (see amavisd.conf-default for all)
 161
 162 # $warnbadhsender,
 163 # $warnvirusrecip, $warnbannedrecip, $warnbadhrecip, (or @warn*recip_maps)
 164 #
 165 # @bypass_virus_checks_maps, @bypass_spam_checks_maps,
 166 # @bypass_banned_checks_maps, @bypass_header_checks_maps,
 167 #
 168 # @virus_lovers_maps, @spam_lovers_maps,
 169 # @banned_files_lovers_maps, @bad_header_lovers_maps,
 170 #
 171 # @blacklist_sender_maps, @score_sender_maps,
 172 #
 173 # $clean_quarantine_method, $virus_quarantine_to, $banned_quarantine_to,
 174 # $bad_header_quarantine_to, $spam_quarantine_to,
 175 #
 176 # $defang_bad_header, $defang_undecipherable, $defang_spam
 177
 178
 179 # REMAINING IMPORTANT VARIABLES ARE LISTED HERE BECAUSE OF LONGER ASSIGNMENTS
 180
 181 @keep_decoded_original_maps = (new_RE(
 182 # qr'^MAIL$',   # retain full original message for virus checking (can be slow)
 183   qr'^MAIL-UNDECIPHERABLE$', # recheck full mail if it contains undecipherables
 184   qr'^(ASCII(?! cpio)|text|uuencoded|xxencoded|binhex)'i,
 185 # qr'^Zip archive data',     # don't trust Archive::Zip
 186 ));
 187
 188
 189 # for $banned_namepath_re (a new-style of banned table) see amavisd.conf-sample
 190
 191 $banned_filename_re = new_RE(
 192
 193 ### BLOCKED ANYWHERE
 194 # qr'^UNDECIPHERABLE$',  # is or contains any undecipherable components
 195   qr'^\.(exe-ms|dll)$',                   # banned file(1) types, rudimentary
 196 # qr'^\.(exe|lha|tnef|cab|dll)$',         # banned file(1) types
 197
 198 ### BLOCK THE FOLLOWING, EXCEPT WITHIN UNIX ARCHIVES:
 199 # [ qr'^\.(gz|bz2)$'             => 0 ],  # allow any in gzip or bzip2
 200   [ qr'^\.(rpm|cpio|tar)$'       => 0 ],  # allow any in Unix-type archives
 201
 202   qr'.\.(pif|scr)$'i,                     # banned extensions - rudimentary
 203 # qr'^\.zip$',                            # block zip type
 204
 205 ### BLOCK THE FOLLOWING, EXCEPT WITHIN ARCHIVES:
 206 # [ qr'^\.(zip|rar|arc|arj|zoo)$'=> 0 ],  # allow any within these archives
 207
 208   qr'^application/x-msdownload$'i,        # block these MIME types
 209   qr'^application/x-msdos-program$'i,
 210   qr'^application/hta$'i,
 211
 212 # qr'^message/partial$'i,         # rfc2046 MIME type
 213 # qr'^message/external-body$'i,   # rfc2046 MIME type
 214
 215 # qr'^(application/x-msmetafile|image/x-wmf)$'i,  # Windows Metafile MIME type
 216 # qr'^\.wmf$',                            # Windows Metafile file(1) type
 217
 218   # block certain double extensions in filenames
 219   qr'\.[^./]*[A-Za-z][^./]*\.\s*(exe|vbs|pif|scr|bat|cmd|com|cpl|dll)[.\s]*$'i,
 220
 221 # qr'\{[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}\}?'i, # Class ID CLSID, strict
 222 # qr'\{[0-9a-z]{4,}(-[0-9a-z]{4,}){0,7}\}?'i, # Class ID extension CLSID, loose
 223
 224   qr'.\.(exe|vbs|pif|scr|cpl)$'i,             # banned extension - basic
 225 # qr'.\.(exe|vbs|pif|scr|cpl|bat|cmd|com)$'i, # banned extension - basic+cmd
 226 # qr'.\.(ade|adp|app|bas|bat|chm|cmd|com|cpl|crt|emf|exe|fxp|grp|hlp|hta|
 227 #        inf|ins|isp|js|jse|lnk|mda|mdb|mde|mdw|mdt|mdz|msc|msi|msp|mst|
 228 #        ops|pcd|pif|prg|reg|scr|sct|shb|shs|vb|vbe|vbs|
 229 #        wmf|wsc|wsf|wsh)$'ix,  # banned ext - long
 230 # qr'.\.(ani|cur|ico)$'i,                 # banned cursors and icons filename
 231 # qr'^\.ani$',                            # banned animated cursor file(1) type
 232
 233 # qr'.\.(mim|b64|bhx|hqx|xxe|uu|uue)$'i,  # banned extension - WinZip vulnerab.
 234 );
 235 # See http://support.microsoft.com/default.aspx?scid=kb;EN-US;q262631
 236 # and http://www.cknow.com/vtutor/vtextensions.htm
 237
 238
 239 # ENVELOPE SENDER SOFT-WHITELISTING / SOFT-BLACKLISTING
 240
 241 @score_sender_maps = ({ # a by-recipient hash lookup table,
 242                         # results from all matching recipient tables are summed
 243
 244 # ## per-recipient personal tables  (NOTE: positive: black, negative: white)
 245 # 'user1@example.com'  => [{'bla-mobile.press@example.com' => 10.0}],
 246 # 'user3@example.com'  => [{'.ebay.com'                 => -3.0}],
 247 # 'user4@example.com'  => [{'cleargreen@cleargreen.com' => -7.0,
 248 #                           '.cleargreen.com'           => -5.0}],
 249
 250   ## site-wide opinions about senders (the '.' matches any recipient)
 251   '.' => [  # the _first_ matching sender determines the score boost
 252
 253    new_RE(  # regexp-type lookup table, just happens to be all soft-blacklist
 254     [qr'^(bulkmail|offers|cheapbenefits|earnmoney|foryou)@'i         => 5.0],
 255     [qr'^(greatcasino|investments|lose_weight_today|market\.alert)@'i=> 5.0],
 256     [qr'^(money2you|MyGreenCard|new\.tld\.registry|opt-out|opt-in)@'i=> 5.0],
 257     [qr'^(optin|saveonlsmoking2002k|specialoffer|specialoffers)@'i   => 5.0],
 258     [qr'^(stockalert|stopsnoring|wantsome|workathome|yesitsfree)@'i  => 5.0],
 259     [qr'^(your_friend|greatoffers)@'i                                => 5.0],
 260     [qr'^(inkjetplanet|marketopt|MakeMoney)\d*@'i                    => 5.0],
 261    ),
 262
 263 #  read_hash("/var/amavis/sender_scores_sitewide"),
 264
 265    { # a hash-type lookup table (associative array)
 266      'nobody@cert.org'                        => -3.0,
 267      'cert-advisory@us-cert.gov'              => -3.0,
 268      'owner-alert@iss.net'                    => -3.0,
 269      'slashdot@slashdot.org'                  => -3.0,
 270      'securityfocus.com'                      => -3.0,
 271      'ntbugtraq@listserv.ntbugtraq.com'       => -3.0,
 272      'security-alerts@linuxsecurity.com'      => -3.0,
 273      'mailman-announce-admin@python.org'      => -3.0,
 274      'amavis-user-admin@lists.sourceforge.net'=> -3.0,
 275      'amavis-user-bounces@lists.sourceforge.net' => -3.0,
 276      'spamassassin.apache.org'                => -3.0,
 277      'notification-return@lists.sophos.com'   => -3.0,
 278      'owner-postfix-users@postfix.org'        => -3.0,
 279      'owner-postfix-announce@postfix.org'     => -3.0,
 280      'owner-sendmail-announce@lists.sendmail.org'   => -3.0,
 281      'sendmail-announce-request@lists.sendmail.org' => -3.0,
 282      'donotreply@sendmail.org'                => -3.0,
 283      'ca+envelope@sendmail.org'               => -3.0,
 284      'noreply@freshmeat.net'                  => -3.0,
 285      'owner-technews@postel.acm.org'          => -3.0,
 286      'ietf-123-owner@loki.ietf.org'           => -3.0,
 287      'cvs-commits-list-admin@gnome.org'       => -3.0,
 288      'rt-users-admin@lists.fsck.com'          => -3.0,
 289      'clp-request@comp.nus.edu.sg'            => -3.0,
 290      'surveys-errors@lists.nua.ie'            => -3.0,
 291      'emailnews@genomeweb.com'                => -5.0,
 292      'yahoo-dev-null@yahoo-inc.com'           => -3.0,
 293      'returns.groups.yahoo.com'               => -3.0,
 294      'clusternews@linuxnetworx.com'           => -3.0,
 295      lc('lvs-users-admin@LinuxVirtualServer.org')    => -3.0,
 296      lc('owner-textbreakingnews@CNNIMAIL12.CNN.COM') => -5.0,
 297
 298      # soft-blacklisting (positive score)
 299      'sender@example.net'                     =>  3.0,
 300      '.example.net'                           =>  1.0,
 301
 302    },
 303   ],  # end of site-wide tables
 304 });
 305
 306
 307 @decoders = (
 308   ['mail', \&do_mime_decode],
 309   ['asc',  \&do_ascii],
 310   ['uue',  \&do_ascii],
 311   ['hqx',  \&do_ascii],
 312   ['ync',  \&do_ascii],
 313   ['F',    \&do_uncompress, ['unfreeze','freeze -d','melt','fcat'] ],
 314   ['Z',    \&do_uncompress, ['uncompress','gzip -d','zcat'] ],
 315   ['gz',   \&do_uncompress,  'gzip -d'],
 316   ['gz',   \&do_gunzip],
 317   ['bz2',  \&do_uncompress,  'bzip2 -d'],
 318   ['lzo',  \&do_uncompress,  'lzop -d'],
 319   ['rpm',  \&do_uncompress, ['rpm2cpio.pl','rpm2cpio'] ],
 320   ['cpio', \&do_pax_cpio,   ['pax','gcpio','cpio'] ],
 321   ['tar',  \&do_pax_cpio,   ['pax','gcpio','cpio'] ],
 322   ['deb',  \&do_ar,          'ar'],
 323 # ['a',    \&do_ar,          'ar'],  # unpacking .a seems an overkill
 324   ['zip',  \&do_unzip],
 325   ['7z',   \&do_7zip,       ['7zr','7za','7z'] ],
 326   ['rar',  \&do_unrar,      ['rar','unrar'] ],
 327   ['arj',  \&do_unarj,      ['arj','unarj'] ],
 328   ['arc',  \&do_arc,        ['nomarch','arc'] ],
 329   ['zoo',  \&do_zoo,        ['zoo','unzoo'] ],
 330   ['lha',  \&do_lha,         'lha'],
 331 # ['doc',  \&do_ole,         'ripole'],
 332   ['cab',  \&do_cabextract,  'cabextract'],
 333   ['tnef', \&do_tnef_ext,    'tnef'],
 334   ['tnef', \&do_tnef],
 335 # ['sit',  \&do_unstuff,     'unstuff'],  # broken/unsafe decoder
 336   ['exe',  \&do_executable, ['rar','unrar'], 'lha', ['arj','unarj'] ],
 337 );
 338
 339
 340 @av_scanners = (
 341
 342 #       ### http://www.clamav.net/
 343         ['ClamAV-clamd',
 344   \&ask_daemon, ["CONTSCAN {}\n", "/var/run/clamd"],
 345         qr/\bOK$/, qr/\bFOUND$/,
 346          qr/^.*?: (?!Infected Archive)(.*) FOUND$/ ],
 347 #       # NOTE: run clamd under the same user as amavisd, or run it under its own
 348 #       #   uid such as clamav, add user clamav to the amavis group, and then add
 349 #       #   AllowSupplementaryGroups to clamd.conf;
 350 #       # NOTE: match socket name (LocalSocket) in clamav.conf to the socket name in
 351 #       #   this entry; when running chrooted one may prefer socket "$MYHOME/clamd".
 352
 353 # ### http://www.f-prot.com/
 354 # ['FRISK F-Prot Daemon',
 355 #   \&ask_daemon,
 356 #   ["GET {}/*?-dumb%20-archive%20-packed HTTP/1.0\r\n\r\n",
 357 #     ['127.0.0.1:10200','127.0.0.1:10201','127.0.0.1:10202',
 358 #      '127.0.0.1:10203','127.0.0.1:10204'] ],
 359 #   qr/(?i)<summary[^>]*>clean<\/summary>/,
 360 #   qr/(?i)<summary[^>]*>infected<\/summary>/,
 361 #   qr/(?i)<name>(.+)<\/name>/ ],
 362
 363   ### http://www.kaspersky.com/  (kav4mailservers)
 364   ['KasperskyLab AVP - aveclient',
 365     ['/usr/local/kav/bin/aveclient','/usr/local/share/kav/bin/aveclient',
 366      '/opt/kav/5.5/kav4mailservers/bin/aveclient','aveclient'],
 367     '-p /var/run/aveserver -s {}/*',
 368     [0,3,6,8], qr/\b(INFECTED|SUSPICION|SUSPICIOUS)\b/,
 369     qr/(?:INFECTED|WARNING|SUSPICION|SUSPICIOUS) (.+)/,
 370   ],
 371   # NOTE: one may prefer [0],[2,3,4,5], depending on how suspicious,
 372   # currupted or protected archives are to be handled
 373
 374   ### http://www.avira.com/
 375   ### Avira AntiVir (formerly H+BEDV) or (old) CentralCommand Vexira Antivirus
 376   ['Avira AntiVir', ['antivir','vexira'],
 377     '--allfiles -noboot -nombr -rs -s -z {}', [0], qr/ALERT:|VIRUS:/,
 378     qr/(?x)^\s* (?: ALERT: \s* (?: \[ | [^']* ' ) |
 379          (?i) VIRUS:\ .*?\ virus\ '?) ( [^\]\s']+ )/ ],
 380     # NOTE: if you only have a demo version, remove -z and add 214, as in:
 381     #  '--allfiles -noboot -nombr -rs -s {}', [0,214], qr/ALERT:|VIRUS:/,
 382
 383 # ### http://www.avast.com/
 384 # ['avast! Antivirus daemon',
 385 #   \&ask_daemon,       # greets with 220, terminate with QUIT
 386 #   ["SCAN {}\015\012QUIT\015\012", '/var/run/avast4/mailscanner.sock'],
 387 #   qr/\t\[\+\]/, qr/\t\[L\]\t/, qr/\t\[L\]\t([^[ \t\015\012]+)/ ],
 388
 389 # ### http://www.avast.com/
 390 # ['avast! Antivirus - Client/Server Version', 'avastlite',
 391 #   '-a /var/run/avast4/mailscanner.sock -n {}', [0], [1],
 392 #   qr/\t\[L\]\t([^[ \t\015\012]+)/ ],
 393
 394   ### http://www.avast.com/
 395   ['avast! Antivirus', ['/usr/bin/avastcmd','avastcmd'],
 396     '-a -i -n -t=A {}', [0], [1], qr/\binfected by:\s+([^ \t\n\[\]]+)/ ],
 397
 398   ### http://www.bitdefender.com/
 399   ['BitDefender', 'bdc',
 400     '--arc --mail {}', qr/^Infected files *:0+(?!\d)/,
 401     qr/^(?:Infected files|Identified viruses|Suspect files) *:0*[1-9]/,
 402     qr/(?:suspected|infected): (.*)(?:\033|$)/ ],
 403   # consider also: --all --nowarn --alev=15 --flev=15.  The --all argument may
 404   # not apply to your version of bdc, check documentation and see 'bdc --help'
 405
 406 );
 407
 408
 409 @av_scanners_backup = (
 410
 411   ### http://www.clamav.net/   - backs up clamd or Mail::ClamAV
 412   ['ClamAV-clamscan', 'clamscan',
 413     "--stdout --no-summary -r --tempdir=$TEMPBASE {}",
 414     [0], qr/:.*\sFOUND$/, qr/^.*?: (?!Infected Archive)(.*) FOUND$/ ],
 415
 416   ### http://www.f-prot.com/   - backs up F-Prot Daemon
 417   ['FRISK F-Prot Antivirus', ['f-prot','f-prot.sh'],
 418     '-dumb -archive -packed {}', [0,8], [3,6],   # or: [0], [3,6,8],
 419     qr/(?:Infection:|security risk named) (.+)|\s+contains\s+(.+)$/ ],
 420
 421    ### http://www.kaspersky.com/
 422    ['Kaspersky Antivirus v5.5',
 423      ['/opt/kaspersky/kav4fs/bin/kav4fs-kavscanner',
 424       '/opt/kav/5.5/kav4unix/bin/kavscanner',
 425       '/opt/kav/5.5/kav4mailservers/bin/kavscanner', 'kavscanner'],
 426      '-i0 -xn -xp -mn -R -ePASBME {}/*', [0,10,15], [5,20,21,25],
 427      qr/(?:INFECTED|WARNING|SUSPICION|SUSPICIOUS) (.*)/ ,
 428 #    sub {chdir('/opt/kav/bin') or die "Can't chdir to kav: $!"},
 429 #    sub {chdir($TEMPBASE) or die "Can't chdir back to $TEMPBASE $!"},
 430    ],
 431
 432 # always succeeds (uncomment to consider mail clean if all other scanners fail)
 433 # ['always-clean', sub {0}],
 434
 435 );
 436
 437
 438 1;  # insure a defined return