--- imp/lib/Auth/imp.php.orig   2011-01-05 10:21:05.224155622 +0100
+++ imp/lib/Auth/imp.php        2011-01-05 10:39:24.699438519 +0100
@@ -146,6 +146,36 @@
             return false;
         }
 
+        # DNSBL START
+        ini_set('include_path', ini_get('include_path').':/usr/share/php');
+        require_once 'Net/DNSBL.php';
+        $dnsbl = new Net_DNSBL();
+        #$remoteIP = '41.206.12.1';
+        $remoteIP = $_SERVER['REMOTE_ADDR'];
+        $dnsbl->setBlacklists(array(
+                'sbl-xbl.spamhaus.org',
+                'bl.spamcop.net',
+                'b.barracudacentral.org',
+                'spam.spamrats.com',
+                'dyna.spamrats.com',
+                'noptr.spamrats.com',
+                'bl.tiopan.com'
+                ));
+        if ($dnsbl->isListed($remoteIP, true)) {
+            $data=$dnsbl->getListingBls($remoteIP);
+            sort($data);
+            $entry = "LOGIN SUCCESS FROM BLACKLISTED IP [$remoteIP] FOR $userID: " . implode(", ", $data);
+            Horde::logMessage($entry, __FILE__, __LINE__, PEAR_LOG_ERR);
+
+            unset($_SESSION['imp']);
+            if (isset($prefs)) {
+                $prefs->cleanup(true);
+            }
+            $this->_setAuthError(AUTH_REASON_BADLOGIN);
+            return false;
+        }
+        # DNSBL END
+
         return true;
     }

--- imp/login.php.orig  2011-01-05 09:08:44.510891298 +0100
+++ imp/login.php       2011-01-05 10:34:26.763968526 +0100
@@ -449,6 +449,33 @@
     'var nomenu = ' . intval(empty($conf['menu']['always'])),
 ));
 
+# DNSBL START
+ini_set('include_path', ini_get('include_path').':/usr/share/php');
+require_once 'Net/DNSBL.php';
+$dnsbl = new Net_DNSBL();
+#$remoteIP = '41.206.12.1';
+$remoteIP = $_SERVER['REMOTE_ADDR'];
+$dnsbl->setBlacklists(array(
+        'sbl-xbl.spamhaus.org',
+        'bl.spamcop.net',
+        'b.barracudacentral.org',
+        'spam.spamrats.com',
+        'dyna.spamrats.com',
+        'noptr.spamrats.com',
+        'bl.tiopan.com'
+        ));
+if ($dnsbl->isListed($remoteIP, true)) {
+    $data=$dnsbl->getListingBls($remoteIP);
+    sort($data);
+    $entry = "BLACKLISTED IP $remoteIP: " . implode(", ", $data);
+    Horde::logMessage($entry, __FILE__, __LINE__, PEAR_LOG_ERR);
+} else {
+    $entry = "Not blacklisted ip $remoteIP" . implode(", ", $data);
+    Horde::logMessage($entry, __FILE__, __LINE__, PEAR_LOG_INFO);
+}
+
+# DNSBL END
+
 // ZMENA
 ini_set('include_path', ini_get('include_path').':/usr/share/php');

--- horde-webmail-1.2.8.orig/imp/login.php	2010-10-25 17:10:05.000000000 +0200
+++ horde-webmail-1.2.8/imp/login.php	2010-11-30 17:36:27.571023703 +0100
@@ -398,6 +398,7 @@
     $t->set('user_vinfo', Horde::callHook('_imp_hook_vinfo', array('vdomain'), 'imp'));
 }
 $t->set('password_tabindex', ++$tabindex);
+$t->set('captch_tabindex', ++$tabindex);
 
 $t->set('change_smtphost', (!empty($conf['server']['change_smtphost'])));
 if ($t->get('change_smtphost')) {
@@ -446,7 +447,16 @@
     'var imp_auth = ' . intval($imp_auth),
     'var nomenu = ' . intval(empty($conf['menu']['always'])),
 ));
-echo $t->fetch(IMP_TEMPLATES . '/login/login.html');
+
+// ZMENA
+ini_set('include_path', ini_get('include_path').':/usr/share/php');
+
+require_once 'Text/CAPTCHA/Numeral.php';
+$numcap = new Text_CAPTCHA_Numeral;
+
+echo str_replace('Vysledek', $numcap->getOperation().' =', $t->fetch(IMP_TEMPLATES . '/login/login.html'));
+$_SESSION['answer'] = $numcap->getAnswer();
+//KONEC ZMENY
 
 if (!empty($recompose_data)) {
     /* Prepare recompose template. */
 
--- horde-webmail-1.2.8.orig/imp/redirect.php	2010-10-25 17:10:05.000000000 +0200
+++ horde-webmail-1.2.8/imp/redirect.php	2010-11-30 17:36:27.555023948 +0100
@@ -91,6 +91,14 @@
 require_once 'Horde/Maintenance.php';
 
 $actionID = (Util::getFormData('action') == 'compose') ? 'login_compose' : Util::getFormData('actionID');
+
+$captch = Util::getFormData('captch');
+if (isset($captch) && isset($_SESSION['answer'])) {
+    if ($captch != $_SESSION['answer']) {
+            _redirect(Auth::addLogoutParameters(IMP::logoutUrl(), AUTH_REASON_FAILED));
+    }
+}
+
 $autologin = Util::getFormData('autologin');
 $imapuser = Util::getPost('imapuser');
 $pass = Util::getPost('pass');
 
--- horde-webmail-1.2.8.orig/imp/templates/login/login.html	2010-10-25 17:10:05.000000000 +0200
+++ horde-webmail-1.2.8/imp/templates/login/login.html	2010-11-30 17:36:27.215029139 +0100
@@ -94,6 +94,12 @@
       <input type="password" tabindex="<tag:password_tabindex />" id="pass" name="pass" style="direction:ltr" />
      </td>
     </tr>
+    <tr>
+     <td class="light rightAlign"><label for="captch"><strong><gettext>Vysledek</gettext></strong></label></td>
+     <td class="leftAlign">
+      <input type="text" tabindex="<tag:captch_tabindex />" id="captch" name="captch" style="direction:ltr" />
+     </td>
+    </tr>
 
 <if:change_smtphost>
     <tr style="height: 1em;">

[root@box ~]# chkrootkit
ROOTDIR is `/'
Checking `amd'... not found
Checking `basename'... not infected
Checking `biff'... not found
Checking `chfn'... not infected
Checking `chsh'... not infected
Checking `cron'... not infected
Checking `crontab'... not infected
Checking `date'... not infected
Checking `du'... not infected
Checking `dirname'... not infected
Checking `echo'... not infected
Checking `egrep'... not infected
Checking `env'... not infected
Checking `find'... not infected
Checking `fingerd'... not found
Checking `gpm'... not infected
Checking `grep'... not infected
Checking `hdparm'... not infected
Checking `su'... not infected
Checking `ifconfig'... not infected
Checking `inetd'... not found
Checking `inetdconf'... not found
Checking `identd'... not found
Checking `init'... not infected
Checking `killall'... not infected
Checking `ldsopreload'... not infected
Checking `login'... not infected
Checking `ls'... not infected
Checking `lsof'... not infected
Checking `mail'... not infected
Checking `mingetty'... not infected
Checking `netstat'... not infected
Checking `named'... not found
Checking `passwd'... not infected
Checking `pidof'... not infected
Checking `pop2'... not found
Checking `pop3'... not found
Checking `ps'... not infected
Checking `pstree'... not infected
Checking `rpcinfo'... not infected
Checking `rlogind'... not found
Checking `rshd'... not found
Checking `slogin'... not infected
Checking `sendmail'... not infected
Checking `sshd'... not infected
Checking `syslogd'... not infected
Checking `tar'... not infected
Checking `tcpd'... not infected
Checking `tcpdump'... not infected
Checking `top'... not infected
Checking `telnetd'... not found
Checking `timed'... not found
Checking `traceroute'... not infected
Checking `vdir'... not infected
Checking `w'... not infected
Checking `write'... not infected
Checking `aliens'... no suspect files
Searching for sniffer's logs, it may take a while... nothing found
Searching for HiDrootkit's default dir... nothing found
Searching for t0rn's default files and dirs... nothing found
Searching for t0rn's v8 defaults... nothing found
Searching for Lion Worm default files and dirs... nothing found
Searching for RSHA's default files and dir... nothing found
Searching for RH-Sharpe's default files... nothing found
Searching for Ambient's rootkit (ark) default files and dirs... nothing found
Searching for suspicious files and dirs, it may take a while...
/usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/auto/Razor2/Preproc/deHTMLxs/.packlist /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi/auto/mod_perl/.packlist /usr/lib/perl5/5.8.5/i386-linux-thread-multi/.packlist
 
Searching for LPD Worm files and dirs... nothing found
Searching for Ramen Worm files and dirs... nothing found
Searching for Maniac files and dirs... nothing found
Searching for RK17 files and dirs... nothing found
Searching for Ducoci rootkit... nothing found
Searching for Adore Worm... nothing found
Searching for ShitC Worm... nothing found
Searching for Omega Worm... nothing found
Searching for Sadmind/IIS Worm... nothing found
Searching for MonKit... nothing found
Searching for Showtee... nothing found
Searching for OpticKit... nothing found
Searching for T.R.K... nothing found
Searching for Mithra... nothing found
Searching for LOC rootkit... nothing found
Searching for Romanian rootkit... nothing found
Searching for HKRK rootkit... nothing found
Searching for Suckit rootkit... nothing found
Searching for Volc rootkit... nothing found
Searching for Gold2 rootkit... nothing found
Searching for TC2 Worm default files and dirs... nothing found
Searching for Anonoying rootkit default files and dirs... nothing found
Searching for ZK rootkit default files and dirs... nothing found
Searching for ShKit rootkit default files and dirs... nothing found
Searching for AjaKit rootkit default files and dirs... nothing found
Searching for zaRwT rootkit default files and dirs... nothing found
Searching for Madalin rootkit default files... nothing found
Searching for Fu rootkit default files... nothing found
Searching for ESRK rootkit default files... nothing found
Searching for rootedoor... nothing found
Searching for ENYELKM rootkit default files... nothing found
Searching for common ssh-scanners default files... nothing found
Searching for suspect PHP files... nothing found
Searching for anomalies in shell history files... nothing found
Checking `asp'... not infected
Checking `bindshell'... INFECTED (PORTS:  465)
Checking `lkm'... chkproc: nothing detected
chkdirs: nothing detected
Checking `rexedcs'... not found
Checking `sniffer'... eth0: not promisc and no PF_PACKET sockets
eth0:0: not promisc and no PF_PACKET sockets
Checking `w55808'... not infected
Checking `wted'... chkwtmp: nothing deleted
Checking `scalper'... not infected
Checking `slapper'... not infected
Checking `chkutmp'...  The tty of the following user process(es) were not found
in /var/run/utmp !
! RUID          PID TTY    CMD
! root        19564 pts/0  -bash
! root        20746 pts/0  screen -DRU
chkutmp: nothing deleted
Checking `OSX_RSPLUG'... not infected

[root@box ~]# netstat -lnp | grep 465
tcp        0      0 0.0.0.0:465                 0.0.0.0:*                   LISTEN      7624/master
[root@box ~]# fuser -vn tcp 465
here: 465
 
                     USER        PID ACCESS COMMAND
465/tcp              root       7624 f....  master

[root@fs12 html] wget http://debian.mcmillan.net.nz/packages/davical/davical_0.9.8.orig.tar.gz
[root@fs12 html] tar xvzf davical_0.9.8.orig.tar.gz
[root@fs12 html] cd davical-0.9.8.orig/dba
[root@fs12 dba] su postgres
bash-3.00$ ./update-davical-database 
The database is version 8.1 currently at revision 1.2.5.
Applying patch 1.2.6.sql ... succeeded.
Applying patch 1.2.7.sql ... succeeded.
Successfully applied 2 patches.
Supported locales updated.
Updated view: dav_principal.sql applied.
CalDAV functions updated.
RRULE functions updated.
Database permissions updated.
bash-3.00$ exit
[root@fs12 html] ln -s davical-0.9.8.orig davical

[root@webmel4 ~]# yum update yum
Loading "fastestmirror" plugin
Loading "installonlyn" plugin
Setting up Update Process
Setting up repositories
Loading mirror speeds from cached hostfile
Reading repository metadata in from local files
Reducing CentOS.Karan.Org-EL4 - Stable to included packages only
Finished
Resolving Dependencies
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for yum to pack into transaction set.
yum-3.2.8-9.el4.hrb.2.1.1 100% |=========================|  29 kB    00:00
---> Package yum.noarch 0:3.2.8-9.el4.hrb.2.1.1 set to be updated
--> Running transaction check
--> Processing Dependency: python-iniparse for package: yum
--> Processing Conflict: yum-metadata-parser conflicts yum >= 3.0
--> Processing Dependency: yum-fastestmirror for package: yum
--> Processing Dependency: yum-metadata-parser >= 1.1.0 for package: yum
--> Processing Dependency: yum < 2.5 for package: yum-utils
--> Restarting Dependency Resolution with new changes.
--> Populating transaction set with selected packages. Please wait.
---> Downloading header for yum-utils to pack into transaction set.
yum-utils-1.1.10-9.el4.hr 100% |=========================| 9.7 kB    00:00
---> Package yum-utils.noarch 0:1.1.10-9.el4.hrb.1 set to be updated
---> Downloading header for yum-fastestmirror to pack into transaction set.
yum-fastestmirror-1.1.10- 100% |=========================| 7.0 kB    00:00
---> Package yum-fastestmirror.noarch 0:1.1.10-9.el4.hrb.1 set to be updated
---> Downloading header for python-iniparse to pack into transaction set.
python-iniparse-0.2.3-4.e 100% |=========================| 5.3 kB    00:00
---> Package python-iniparse.noarch 0:0.2.3-4.el4.hrb set to be updated
---> Downloading header for yum-metadata-parser to pack into transaction set.
yum-metadata-parser-1.1.2 100% |=========================| 4.3 kB    00:00
---> Package yum-metadata-parser.i386 0:1.1.2-2.el4.hrb set to be updated
--> Running transaction check
 
Dependencies Resolved
 
=============================================================================
 Package                 Arch       Version          Repository        Size
=============================================================================
Updating:
 yum                     noarch     3.2.8-9.el4.hrb.2.1.1  hrb-testing       506 k
Installing for dependencies:
 python-iniparse         noarch     0.2.3-4.el4.hrb  hrb-testing        34 k
 yum-fastestmirror       noarch     1.1.10-9.el4.hrb.1  hrb-testing        10 k
Updating for dependencies:
 yum-metadata-parser     i386       1.1.2-2.el4.hrb  hrb-testing        24 k
 yum-utils               noarch     1.1.10-9.el4.hrb.1  hrb-testing        58 k
 
Transaction Summary
=============================================================================
Install      2 Package(s)
Update       3 Package(s)
Remove       0 Package(s)
Total download size: 633 k
Is this ok [y/N]: y
Downloading Packages:
(1/5): yum-utils-1.1.10-9 100% |=========================|  58 kB    00:00
(2/5): yum-fastestmirror- 100% |=========================|  10 kB    00:00
(3/5): python-iniparse-0. 100% |=========================|  34 kB    00:00
(4/5): yum-3.2.8-9.el4.hr 100% |=========================| 506 kB    00:00
(5/5): yum-metadata-parse 100% |=========================|  24 kB    00:00
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
 
  Updating  : yum-metadata-parser          ######################### [1/9]
  Installing: python-iniparse              ######################### [2/9]
  Updating  : yum                                                    [3/9]warning: /etc/yum.conf created as /etc/yum.conf.rpmnew
  Updating  : yum                          ######################### [3/9]
  Updating  : yum-utils                    ######################### [4/9]
  Installing: yum-fastestmirror            ######################### [5/9]
  Cleanup   : yum-utils                    ######################### [6/9]
  Removing  : yum-plugin-fastestmirror     ######################### [7/9]
  Cleanup   : yum                          ######################### [8/9]
  Cleanup   : yum-metadata-parser          ######################### [9/9]
 
Dependency Installed: python-iniparse.noarch 0:0.2.3-4.el4.hrb yum-fastestmirror.noarch 0:1.1.10-9.el4.hrb.1
Updated: yum.noarch 0:3.2.8-9.el4.hrb.2.1.1
Dependency Updated: yum-metadata-parser.i386 0:1.1.2-2.el4.hrb yum-utils.noarch 0:1.1.10-9.el4.hrb.1
Complete!