HappymanUK

1. Community
2. Email
3. SMTP Auth Failure - Brute Force Attack - Blocking

]I think that's my point. They are being stopped from logging in. I understand - but if I can somehow disable the SMTP function for this, then they wouldn't even get the prompt - so can't even att...

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• HappymanUK
• February 25, 2015 20:43
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1. Community
2. Email
3. SMTP Auth Failure - Brute Force Attack - Blocking

Is there no way to stop them even trying to login ? - Somehow disable the facility for sending emails via the server from an external address ? - ie, so emails can go out from the server, and indiv...

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• HappymanUK
• February 25, 2015 16:21
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1. Community
2. Email
3. SMTP Auth Failure - Brute Force Attack - Blocking

]Do you have CSF installer on your server? Yes, CSF is installed and the IP's are being blocked after two attempts, but there are just far too many different IP addresses attempting this :(

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• HappymanUK
• February 25, 2015 15:58
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1. Community
2. Email
3. SMTP Auth Failure - Brute Force Attack - Blocking

]If you have: SMTP_BLOCK enabled in CSF, I believe you need to leave that one in: Home " Security Center " SMTP Restrictions Disabled. Thanks for both replies. Any other ideas ??

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• HappymanUK
• February 25, 2015 14:15
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1. Community
2. Email
3. SMTP Auth Failure - Brute Force Attack - Blocking

]Do you have CSF installed. Whilst this won't entirely eradicate the attempts, it will blacklist their IP and slow them down, making them go elsewhere. I have mine set for 3 failed SMPT login attem...

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• HappymanUK
• February 25, 2015 07:23
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1. Community
2. Domain Management
3. Update System Software - Error Message - Requires Bind

Thanks for your reply. Sorry, don't know what this is - I haven't installed/enabled anything outside of cPanel. What must I do to disable this then ? - Won't it stop BIND working ? Thanks Daniel

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• HappymanUK
• December 28, 2014 13:28
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1. Community
2. Domain Management
3. Script to Park new domain on existing cpanel account

[quote="cPanelMichael, post: 1675331">Hello :) You could develop a script that utilizes our API to park the domain names. There is a thread on this here: Domain Parking API Thank you. Thanks fo...

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• HappymanUK
• June 27, 2014 16:42
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1. Community
2. Email
3. SMTP Failures (smtpauth) -dovecot_plain authenticator failed

Thanks for your reply - It is appreciated. Can SMTP just be disabled (or disabled on port 25) ? - Or would that cause complications ? Unfortunately the IP addresses are rarely from the same count...

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• HappymanUK
• May 21, 2014 14:54
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1. Community
2. Email
3. SMTP Failures (smtpauth) -dovecot_plain authenticator failed

Thanks for your fast reply. I'm already doing both of those, but I'm getting around 10-20 different IP addresses every couple of minutes. As mail clients shouldn't be sending out e-mails via SMTP...

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• HappymanUK
• May 21, 2014 14:33
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1. Community
2. Email
3. SMTP Failures (smtpauth) -dovecot_plain authenticator failed

Sorry, I have re-read my posted message and agree it doesn't make sense. These are the e-mails from my firewall (Configserver Firewall) to confirm that an attempt to login via smtpauth has failed...

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• HappymanUK
• May 21, 2014 14:15
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