CSF/LFD will removes oldest entries and replaced with new one. So how to make CSF/LFD make permanent whitelist IP Address? Here’s how:

From WHM > ConfigServer Security&Firewall >
look for “Edit lfd ignore file” select csf.ignore – IP Blocking on dropdown list and click Edit button

Info for csf.ignore file is all IP addresses listed will be ignored by all lfd checks. Since it will be ignored so it won’t be blocked (automatically whitelisted)

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# exim -bP | grep message_size_limit
 message_size_limit = 50M

You can change maximum message size by adding line

message_size_limit = 5M

on the first textarea of the Advanced Mode editor in WHM > Exim Configuration Editor. That will put a 5MB message size limit on email.

PS: the limit only affect is email is sent directly using Email Client, if using Webmail (Squirrelmail) there is another limitation set by PHP when uploading file. it’s variable upload_max_filesize, you can change the value on WHM >  PHP Configuration Editor. Restart apache to make sure variable.

Info from cPanel Forum

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1. Install Minimal CentOS
2. Create harddrive partition
3. Deactivate the firewall
4. Disable SELinux
5. Ensure your newly-installed OS has the latest updates and patches.
6. Obtaining a cPanel/WHM License
7. Begin Installation

   cd /home
   wget -N http://layer1.cpanel.net/latest
   sh latest
   /usr/local/cpanel/cpkeyclt

After 5 hours installation is complete then when I am accessing WHM, this error came up

Internal Server Error
open3: exec of /usr/local/cpanel/whostmgr/bin/whostmgr3 ./initial_setup_wizard1 failed at cpsrvd line 6114

Checking and Googling for about 20 minutes what went wrong, and I saw in forum some people also had this problem and they were suggested to run below command

/scripts/upcp --force

This command will make your cpanel install is updated with latest version by force (replace all file). Detail here.

After running several hours, the script stops and say everything is okay. I went to WHM again and now it working flawlessly

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To validate (make sure) your IP Address already has license for cPanel to to cPanel License Validator, and enter your server main IP Address.

• If you have updating your cPanel License from Trial to Active, or
• If you change your server hostname, or
• You get Invalid License File error due to hostname change, bad system time, license IP address binding, firewall rules, and some other more obscure scenarios

You can try run this command as root

/usr/local/cpanel/cpkeyclt

A helpful expired license checklist in the cPanel forums takes troubleshooting further if the above methods don’t help.

PS: With an invalid license, any Web interface to cPanel will not work (including, WHM and Webmail)

from WebMarketEdge

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vi /var/cpanel/mainips/root

then add another IP address which is not used by others. After that you use that IP for multiple accounts.

Info from cPanel Forum

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Assume you have /home partition which is far more bigger than /var, we’ll move to /home/mysql

service mysql stop
cd /var/lib
mv mysql /home
ln -s /home/mysql .
chown -R mysql.mysql mysql
service mysql start


The lesson in here is: please do research how much your data will grow, or it will be pain in the ass

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The server was not able to find the document (./frontend/x3/fantastico/index.php) you requested. Please check the url and try again. You might also want to report this error to your web hosting provider.

Access WHM >> Plugins >> Fantastico De Luxe WHM Admin again, this time it asked to re-install. Done that. But I still get the same error.

Do the first thing:

1) Go into WHM as root, click on Tweak Settings, scroll down to the PHP section and make sure the IONCUBE PHP Loader is selected. Save changes if needed.
2) Log into your server as root via SSH and execute the following command:
/scripts/makecpphp

Read Netenberg’s Forum, run below command

chattr -R -i /usr/local/cpanel/3rdparty/fantastico
chown -R root.root /usr/local/cpanel/3rdparty/fantastico
chattr -R -i /var/netenberg
chown -R root.root /var/netenberg

still lurking on the forum, and I found this thread about wget problem CentOS 5, what the heck, just run it.

cd
wget http://ftp.gnu.org/gnu/wget/wget-latest.tar.gz
tar xfz wget-latest.tar.gz
cd wget-*
./configure
make
make test
make install
cd ../
rm -Rf wget-*

This will install a clean copy of wget on your server at /usr/local/bin/wget

Go into WHM as root, click on the Fantastico Admin area and click install. On the screen you see, be sure to enter /usr/local/bin/wget as the path to wget.

Click to start the installation.

Note that this does not remove the system maintained version of wget with the new version. There will be two copies of wget on your server.

You are done. Go into WHM’s Fantastico admin area and finish the installation process.

I done that and Fantastico now back running up. Cheers

[Sun Jul 13 01:15:32 2008] [crit] [client 218.208.xxx.xxx] (13)Permission denied: /home/mydomain/public_html/.htaccess pcfg_openfile: unable to check htaccess file, ensure it is readable

I thought it was .htaccess issue, so I trying to delete it. But .htaccess is can’t be deleted. After Googling I found From Techie Corner’s blog. And this is what I’ve done

1. Login into your CPanel account
2. Click on “Frontpage Extensions” icon
3. Click on “Install extensions” button beside your problem domain.
4. Done. The “.htaccess pcfg_openfile: unable to check htaccess file” problem has been fixed.

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Brute Force Protection. This account is currently locked out because a brute force attempt was detected

Info from 24x7ServerManagement:
Flush DB will remove all blocked IPs:
WHM -> Security Center -> cPHulk Brute Force Protection -> Click on Flush DB

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CPU Process has a high load, with many cpanelro user taking the cpu time. Below is script to kill cpanelro’s process

#!/bin/sh
for ROUND in `ps aux | grep roundcube | awk -F " " '{print $10}' | awk -F ":" '{print $1}'`;
do
if [ $ROUND -ge 20 ]; then
pkill -u cpanelroundcube
echo "kill roundcube process roundcube";
fi
done

Put in crontab and run it every 15 or 30minutes. Or you can edit RoundCube file to fix a never ending loop caused when trying to log in with an invalid account

edit file /usr/local/cpanel/base/3rdparty/roundcube/program/lib/imap.inc

and introduced a counter in function iil_C_Login (line 416).
Bellow are the modifications i made in order to stop the loop from taking over the server.

function iil_C_Login(&$conn, $user, $password) {

    iil_PutLine($conn->fp, 'a001 LOGIN "'.iil_Escape($user).'" "'.iil_Escape($password).'"');
    $counter = 0;
    do {
        $line = iil_ReadReply($conn->fp);
        if ($line === false) {
            break;
        }else if($counter > 0){
                break;
        }
        $counter = $counter + 1;
    } while (!iil_StartsWith($line, 'a001 ', true));
    // process result
    $result = iil_ParseResult($line);
    if ($result == 0) {
        $conn->error    .= '';
        $conn->errorNum  = 0;
        return $conn->fp;
    }

    fclose($conn->fp);

    $conn->error    .= 'Authentication for ' . $user . ' failed (LOGIN): "';
    $conn->error    .= htmlspecialchars($line)."\"";
    $conn->errorNum  = $result;

    return $result;
}

With these modifications an error is returned to the user after a short while letting him know there was a problem connecting to the IMAP server. If you want to return a “Login failed” you have to modify the function iil_ParseResult (line 288) like so:

function iil_ParseResult($string) {
        $a = explode(' ', $string);
        if (count($a) > 2) {
                if (strcasecmp($a[1], 'OK') == 0) {
                        return 0;
                } else if (strcasecmp($a[1], 'NO') == 0) {
                        return -1;
                } else if (strcasecmp($a[1], 'BAD') == 0) {
                        return -2;
                } else if (strcasecmp($a[1], 'BYE') == 0) {
                        return -3;
                }
        }else if(!$string){
                return -1;
        }
        return -4;
}

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