Such an annoying noise

Sep 24 11:55:57 mail postfix/smtps/smtpd[22346]: Anonymous TLS connection established from unknown[178.162.195.12]: TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)
Sep 24 11:56:02 mail postfix/smtps/smtpd[22346]: NOQUEUE: filter: RCPT from unknown[178.162.195.12]: <test@mail.lucafrancesca.me>: Sender address triggers FILTER smtp-amavis:[::1]:10026; from=<test@mail.lucafrancesca.me> to=<test@gmail.com> proto=SMTP helo=<win-f09mvh2gdn6.domain>
Sep 24 11:56:02 mail postfix/smtps/smtpd[22346]: NOQUEUE: filter: RCPT from unknown[178.162.195.12]: <test@mail.lucafrancesca.me>: Sender address triggers FILTER smtp-amavis:[::1]:10024; from=<test@mail.lucafrancesca.me> to=<test@gmail.com> proto=SMTP helo=<win-f09mvh2gdn6.domain>
Sep 24 11:56:02 mail postfix/smtps/smtpd[22346]: NOQUEUE: reject: RCPT from unknown[178.162.195.12]: 554 5.7.1 <test@gmail.com>: Recipient address rejected: Access denied; from=<test@mail.lucafrancesca.me> to=<test@gmail.com> proto=SMTP helo=<win-f09mvh2gdn6.domain>
Sep 24 11:56:04 mail postfix/smtps/smtpd[22346]: lost connection after RCPT from unknown[178.162.195.12]

And a huge amount of

Sep 24 14:17:41 mail postfix/smtps/smtpd[30237]: warning: unknown[178.162.195.12]: SASL LOGIN authentication failed: authentication failure x
Sep 24 14:17:41 mail postfix/smtps/smtpd[30237]: lost connection after AUTH from unknown[178.162.195.12] x
Sep 24 14:17:41 mail postfix/smtps/smtpd[30237]: disconnect from unknown[178.162.195.12] x
Sep 24 14:17:41 mail postfix/smtps/smtpd[30237]: connect from unknown[178.162.195.12] x
Sep 24 14:17:42 mail postfix/smtps/smtpd[30237]: Anonymous TLS connection established from unknown[178.162.195.12]: TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits) x
Sep 24 14:22:43 mail postfix/smtps/smtpd[30237]: timeout after EHLO from unknown[178.162.195.12]

But with the beauty which is iptables

iptables -A INPUT -s 178.162.195.12 -j DROP

A little better on the mail server and the peace is reached.

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s