Botnet aanval op SMTP (sasl_auth)

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  • ScuL
  • Registratie: Januari 2000
  • Laatst online: 24-07 13:09
Het blijft een gedoe met de mailsituatie op m'n server.
Nu heb ik alles netjes en veilig ingericht voor uitgaande mail, krijg ik botnet attacks op m'n binnenkomende mail.

IP's blocken middels IP tables heeft geen zin omdat het een botnet is dat van allerlei verschillende IP's komt
code:
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Apr 28 13:00:58 adm plesk_saslauthd[13822]: No such user 'support@ghmusic.info' in mail authorization database
Apr 28 13:00:58 adm plesk_saslauthd[13822]: failed mail authenticatication attempt for user 'support@ghmusic.info' (password len=7)
Apr 28 13:00:58 adm plesk_saslauthd[13822]: main cycle iteration
Apr 28 13:00:58 adm plesk_saslauthd[13822]: activity on 1 channel(s)
Apr 28 13:00:58 adm plesk_saslauthd[13822]: some write activity on client 10
Apr 28 13:00:58 adm plesk_saslauthd[13822]: attempt to write(10, &buf, 4)
Apr 28 13:00:58 adm postfix/smtpd[13509]: warning: SASL authentication failure: Password verification failed
Apr 28 13:00:58 adm postfix/smtpd[13509]: warning: unknown[78.36.105.177]: SASL PLAIN authentication failed: authentication failure
Apr 28 13:00:58 adm plesk_saslauthd[13822]: client 10 processed
Apr 28 13:00:58 adm plesk_saslauthd[13822]: main cycle iteration
Apr 28 13:00:58 adm plesk_saslauthd[13822]: activity on 1 channel(s)
Apr 28 13:00:58 adm plesk_saslauthd[13822]: new client (fd=10) registered
Apr 28 13:00:58 adm plesk_saslauthd[13822]: main cycle iteration
Apr 28 13:00:58 adm plesk_saslauthd[13822]: activity on 1 channel(s)
Apr 28 13:00:58 adm plesk_saslauthd[13822]: some read activity on client 10
Apr 28 13:00:58 adm plesk_saslauthd[13822]: read(10, &buf, 2)=2
Apr 28 13:00:58 adm plesk_saslauthd[13822]: processing client data chunk [state=0]
Apr 28 13:00:58 adm plesk_saslauthd[13822]: read(10, &buf, 7)=7
Apr 28 13:00:58 adm plesk_saslauthd[13822]: processing client data chunk [state=1]
Apr 28 13:00:58 adm plesk_saslauthd[13822]: read(10, &buf, 2)=2
Apr 28 13:00:58 adm plesk_saslauthd[13822]: processing client data chunk [state=2]
Apr 28 13:00:58 adm plesk_saslauthd[13822]: read(10, &buf, 6)=6
Apr 28 13:00:58 adm plesk_saslauthd[13822]: processing client data chunk [state=3]
Apr 28 13:00:58 adm plesk_saslauthd[13822]: read(10, &buf, 2)=2
Apr 28 13:00:58 adm plesk_saslauthd[13822]: processing client data chunk [state=4]
Apr 28 13:00:58 adm plesk_saslauthd[13822]: read(10, &buf, 4)=4
Apr 28 13:00:58 adm plesk_saslauthd[13822]: processing client data chunk [state=5]
Apr 28 13:00:58 adm plesk_saslauthd[13822]: read(10, &buf, 2)=2
Apr 28 13:00:58 adm plesk_saslauthd[13822]: processing client data chunk [state=6]
Apr 28 13:00:58 adm plesk_saslauthd[13822]: read(10, &buf, 12)=12
Apr 28 13:00:58 adm plesk_saslauthd[13822]: processing client data chunk [state=7]
Apr 28 13:00:58 adm plesk_saslauthd[13822]: No such user 'support@ghmusic.info' in mail authorization database
Apr 28 13:00:58 adm plesk_saslauthd[13822]: failed mail authenticatication attempt for user 'support@ghmusic.info' (password len=7)
Apr 28 13:00:58 adm plesk_saslauthd[13822]: main cycle iteration
Apr 28 13:00:58 adm plesk_saslauthd[13822]: activity on 1 channel(s)
Apr 28 13:00:58 adm plesk_saslauthd[13822]: some write activity on client 10
Apr 28 13:00:58 adm plesk_saslauthd[13822]: attempt to write(10, &buf, 4)
Apr 28 13:00:58 adm plesk_saslauthd[13822]: client 10 processed
Apr 28 13:00:58 adm plesk_saslauthd[13822]: main cycle iteration
Apr 28 13:00:58 adm postfix/smtpd[13509]: warning: unknown[78.36.105.177]: SASL LOGIN authentication failed: authentication failure
Apr 28 13:00:58 adm postfix/smtpd[13509]: disconnect from unknown[78.36.105.177]
Apr 28 13:01:28 adm plesk_saslauthd[13822]: activity on 0 channel(s)
Apr 28 13:01:28 adm plesk_saslauthd[13822]: select timeout, exiting
Apr 28 13:03:47 adm postfix/smtpd[14124]: connect from unknown[117.243.245.196]
Apr 28 13:03:49 adm postfix/smtpd[14124]: warning: SASL authentication failure: no secret in database
Apr 28 13:03:49 adm postfix/smtpd[14124]: warning: unknown[117.243.245.196]: SASL CRAM-MD5 authentication failed: One time use of a plaintext password will enable requested mechanism for user
Apr 28 13:03:50 adm plesk_saslauthd[14127]: listen=6, status=5, dbpath='/var/spool/postfix/plesk/passwd.db', keypath='/var/spool/postfix/plesk/passwd_db_key', chroot=0, unprivileged=1
Apr 28 13:03:50 adm plesk_saslauthd[14127]: privileges set to (89:89) (effective 89:89)
Apr 28 13:03:50 adm plesk_saslauthd[14127]: main cycle started
Apr 28 13:03:50 adm plesk_saslauthd[14127]: main cycle iteration
Apr 28 13:03:50 adm plesk_saslauthd[14127]: activity on 1 channel(s)
Apr 28 13:03:50 adm plesk_saslauthd[14127]: new client (fd=10) registered
Apr 28 13:03:50 adm plesk_saslauthd[14127]: main cycle iteration
Apr 28 13:03:50 adm plesk_saslauthd[14127]: activity on 1 channel(s)
Apr 28 13:03:50 adm plesk_saslauthd[14127]: some read activity on client 10
Apr 28 13:03:50 adm plesk_saslauthd[14127]: read(10, &buf, 2)=2
Apr 28 13:03:50 adm plesk_saslauthd[14127]: processing client data chunk [state=0]
Apr 28 13:03:50 adm plesk_saslauthd[14127]: read(10, &buf, 4)=4
Apr 28 13:03:50 adm plesk_saslauthd[14127]: processing client data chunk [state=1]
Apr 28 13:03:50 adm plesk_saslauthd[14127]: read(10, &buf, 2)=2
Apr 28 13:03:50 adm plesk_saslauthd[14127]: processing client data chunk [state=2]
Apr 28 13:03:50 adm plesk_saslauthd[14127]: read(10, &buf, 6)=6
Apr 28 13:03:50 adm plesk_saslauthd[14127]: processing client data chunk [state=3]
Apr 28 13:03:50 adm plesk_saslauthd[14127]: read(10, &buf, 2)=2
Apr 28 13:03:50 adm plesk_saslauthd[14127]: processing client data chunk [state=4]
Apr 28 13:03:50 adm plesk_saslauthd[14127]: read(10, &buf, 4)=4
Apr 28 13:03:50 adm plesk_saslauthd[14127]: processing client data chunk [state=5]
Apr 28 13:03:50 adm plesk_saslauthd[14127]: read(10, &buf, 2)=2
Apr 28 13:03:50 adm plesk_saslauthd[14127]: processing client data chunk [state=6]
Apr 28 13:03:50 adm plesk_saslauthd[14127]: read(10, &buf, 12)=12
Apr 28 13:03:50 adm plesk_saslauthd[14127]: processing client data chunk [state=7]
Apr 28 13:03:50 adm plesk_saslauthd[14127]: No such user 'info@ghmusic.info' in mail authorization database
Apr 28 13:03:50 adm plesk_saslauthd[14127]: failed mail authenticatication attempt for user 'info@ghmusic.info' (password len=7)
Apr 28 13:03:50 adm plesk_saslauthd[14127]: main cycle iteration
Apr 28 13:03:50 adm plesk_saslauthd[14127]: activity on 1 channel(s)
Apr 28 13:03:50 adm plesk_saslauthd[14127]: some write activity on client 10
Apr 28 13:03:50 adm plesk_saslauthd[14127]: attempt to write(10, &buf, 4)
Apr 28 13:03:50 adm postfix/smtpd[14124]: warning: SASL authentication failure: Password verification failed
Apr 28 13:03:50 adm postfix/smtpd[14124]: warning: unknown[117.243.245.196]: SASL PLAIN authentication failed: authentication failure
Apr 28 13:03:50 adm plesk_saslauthd[14127]: client 10 processed
Apr 28 13:03:50 adm plesk_saslauthd[14127]: main cycle iteration
Apr 28 13:03:53 adm plesk_saslauthd[14127]: activity on 1 channel(s)
Apr 28 13:03:53 adm plesk_saslauthd[14127]: new client (fd=10) registered
Apr 28 13:03:53 adm plesk_saslauthd[14127]: main cycle iteration
Apr 28 13:03:53 adm plesk_saslauthd[14127]: activity on 1 channel(s)
Apr 28 13:03:53 adm plesk_saslauthd[14127]: some read activity on client 10
Apr 28 13:03:53 adm plesk_saslauthd[14127]: read(10, &buf, 2)=2
Apr 28 13:03:53 adm plesk_saslauthd[14127]: processing client data chunk [state=0]
Apr 28 13:03:53 adm plesk_saslauthd[14127]: read(10, &buf, 4)=4
Apr 28 13:03:53 adm plesk_saslauthd[14127]: processing client data chunk [state=1]
Apr 28 13:03:53 adm plesk_saslauthd[14127]: read(10, &buf, 2)=2
Apr 28 13:03:53 adm plesk_saslauthd[14127]: processing client data chunk [state=2]
Apr 28 13:03:53 adm plesk_saslauthd[14127]: read(10, &buf, 6)=6
Apr 28 13:03:53 adm plesk_saslauthd[14127]: processing client data chunk [state=3]
Apr 28 13:03:53 adm plesk_saslauthd[14127]: read(10, &buf, 2)=2
Apr 28 13:03:53 adm plesk_saslauthd[14127]: processing client data chunk [state=4]
Apr 28 13:03:53 adm plesk_saslauthd[14127]: read(10, &buf, 4)=4
Apr 28 13:03:53 adm plesk_saslauthd[14127]: processing client data chunk [state=5]
Apr 28 13:03:53 adm plesk_saslauthd[14127]: read(10, &buf, 2)=2
Apr 28 13:03:53 adm plesk_saslauthd[14127]: processing client data chunk [state=6]
Apr 28 13:03:53 adm plesk_saslauthd[14127]: read(10, &buf, 12)=12
Apr 28 13:03:53 adm plesk_saslauthd[14127]: processing client data chunk [state=7]
Apr 28 13:03:53 adm plesk_saslauthd[14127]: No such user 'info@ghmusic.info' in mail authorization database
Apr 28 13:03:53 adm plesk_saslauthd[14127]: failed mail authenticatication attempt for user 'info@ghmusic.info' (password len=7)
Apr 28 13:03:53 adm plesk_saslauthd[14127]: main cycle iteration
Apr 28 13:03:53 adm plesk_saslauthd[14127]: activity on 1 channel(s)
Apr 28 13:03:53 adm plesk_saslauthd[14127]: some write activity on client 10
Apr 28 13:03:53 adm plesk_saslauthd[14127]: attempt to write(10, &buf, 4)
Apr 28 13:03:53 adm plesk_saslauthd[14127]: client 10 processed
Apr 28 13:03:53 adm plesk_saslauthd[14127]: main cycle iteration
Apr 28 13:03:53 adm postfix/smtpd[14124]: warning: unknown[117.243.245.196]: SASL LOGIN authentication failed: authentication failure
Apr 28 13:03:53 adm postfix/smtpd[14124]: disconnect from unknown[117.243.245.196]
Apr 28 13:04:23 adm plesk_saslauthd[14127]: activity on 0 channel(s)
Apr 28 13:04:23 adm plesk_saslauthd[14127]: select timeout, exiting
Apr 28 13:04:50 adm postfix/pickup[10273]: 43F3418C052A: uid=10000 from=<scul_net>
Apr 28 13:04:50 adm postfix/cleanup[14228]: 43F3418C052A: message-id=<7525c2533b772e7a0e2ee99d167e53df@www.promods.net>
Apr 28 13:04:50 adm opendkim[2481]: 43F3418C052A: DKIM-Signature field added (s=default, d=promods.net)
Apr 28 13:04:50 adm postfix/qmgr[2626]: 43F3418C052A: from=<scul_net@adm.scul.net>, size=1739, nrcpt=1 (queue active)
Apr 28 13:04:50 adm postfix/smtp[14231]: certificate verification failed for gmail-smtp-in.l.google.com[173.194.65.27]:25: untrusted issuer /C=US/O=Equifax/OU=Equifax Secure Certificate Authority
Apr 28 13:04:51 adm postfix/smtp[14231]: 43F3418C052A: to=<116808apd@gmail.com>, relay=gmail-smtp-in.l.google.com[173.194.65.27]:25, delay=1.5, delays=0.56/0.01/0.28/0.6, dsn=2.0.0, status=sent (250 2.0.0 OK 1398686504 s46si22826376eeg.165 - gsmtp)
Apr 28 13:04:51 adm postfix/qmgr[2626]: 43F3418C052A: removed
Apr 28 13:05:29 adm postfix/smtpd[14124]: connect from unknown[85.132.54.206]
Apr 28 13:05:31 adm postfix/smtpd[14124]: warning: SASL authentication failure: no secret in database
Apr 28 13:05:31 adm postfix/smtpd[14124]: warning: unknown[85.132.54.206]: SASL CRAM-MD5 authentication failed: One time use of a plaintext password will enable requested mechanism for user
Apr 28 13:05:31 adm plesk_saslauthd[14270]: listen=6, status=5, dbpath='/var/spool/postfix/plesk/passwd.db', keypath='/var/spool/postfix/plesk/passwd_db_key', chroot=0, unprivileged=1
Apr 28 13:05:31 adm plesk_saslauthd[14270]: privileges set to (89:89) (effective 89:89)
Apr 28 13:05:31 adm plesk_saslauthd[14270]: main cycle started
Apr 28 13:05:31 adm plesk_saslauthd[14270]: main cycle iteration
Apr 28 13:05:31 adm plesk_saslauthd[14270]: activity on 1 channel(s)
Apr 28 13:05:31 adm plesk_saslauthd[14270]: new client (fd=10) registered
Apr 28 13:05:31 adm plesk_saslauthd[14270]: main cycle iteration
Apr 28 13:05:31 adm plesk_saslauthd[14270]: activity on 1 channel(s)
Apr 28 13:05:31 adm plesk_saslauthd[14270]: some read activity on client 10
Apr 28 13:05:31 adm plesk_saslauthd[14270]: read(10, &buf, 2)=2
Apr 28 13:05:31 adm plesk_saslauthd[14270]: processing client data chunk [state=0]
Apr 28 13:05:31 adm plesk_saslauthd[14270]: read(10, &buf, 7)=7
Apr 28 13:05:31 adm plesk_saslauthd[14270]: processing client data chunk [state=1]
Apr 28 13:05:31 adm plesk_saslauthd[14270]: read(10, &buf, 2)=2
Apr 28 13:05:31 adm plesk_saslauthd[14270]: processing client data chunk [state=2]
Apr 28 13:05:31 adm plesk_saslauthd[14270]: read(10, &buf, 12)=12
Apr 28 13:05:31 adm plesk_saslauthd[14270]: processing client data chunk [state=3]
Apr 28 13:05:31 adm plesk_saslauthd[14270]: read(10, &buf, 2)=2
Apr 28 13:05:31 adm plesk_saslauthd[14270]: processing client data chunk [state=4]
Apr 28 13:05:31 adm plesk_saslauthd[14270]: read(10, &buf, 4)=4
Apr 28 13:05:31 adm plesk_saslauthd[14270]: processing client data chunk [state=5]
Apr 28 13:05:31 adm plesk_saslauthd[14270]: read(10, &buf, 2)=2
Apr 28 13:05:31 adm plesk_saslauthd[14270]: processing client data chunk [state=6]
Apr 28 13:05:31 adm plesk_saslauthd[14270]: read(10, &buf, 12)=12
Apr 28 13:05:31 adm plesk_saslauthd[14270]: processing client data chunk [state=7]
Apr 28 13:05:31 adm plesk_saslauthd[14270]: No such user 'support@ghmusic.info' in mail authorization database
Apr 28 13:05:31 adm plesk_saslauthd[14270]: failed mail authenticatication attempt for user 'support@ghmusic.info' (password len=13)
Apr 28 13:05:31 adm plesk_saslauthd[14270]: main cycle iteration
Apr 28 13:05:31 adm plesk_saslauthd[14270]: activity on 1 channel(s)
Apr 28 13:05:31 adm plesk_saslauthd[14270]: some write activity on client 10
Apr 28 13:05:31 adm plesk_saslauthd[14270]: attempt to write(10, &buf, 4)
Apr 28 13:05:31 adm postfix/smtpd[14124]: warning: SASL authentication failure: Password verification failed
Apr 28 13:05:31 adm postfix/smtpd[14124]: warning: unknown[85.132.54.206]: SASL PLAIN authentication failed: authentication failure
Apr 28 13:05:31 adm plesk_saslauthd[14270]: client 10 processed
Apr 28 13:05:31 adm plesk_saslauthd[14270]: main cycle iteration
Apr 28 13:05:33 adm plesk_saslauthd[14270]: activity on 1 channel(s)
Apr 28 13:05:33 adm plesk_saslauthd[14270]: new client (fd=10) registered
Apr 28 13:05:33 adm plesk_saslauthd[14270]: main cycle iteration
Apr 28 13:05:33 adm plesk_saslauthd[14270]: activity on 1 channel(s)
Apr 28 13:05:33 adm plesk_saslauthd[14270]: some read activity on client 10
Apr 28 13:05:33 adm plesk_saslauthd[14270]: read(10, &buf, 2)=2
Apr 28 13:05:33 adm plesk_saslauthd[14270]: processing client data chunk [state=0]
Apr 28 13:05:33 adm plesk_saslauthd[14270]: read(10, &buf, 7)=7
Apr 28 13:05:33 adm plesk_saslauthd[14270]: processing client data chunk [state=1]
Apr 28 13:05:33 adm plesk_saslauthd[14270]: read(10, &buf, 2)=2
Apr 28 13:05:33 adm plesk_saslauthd[14270]: processing client data chunk [state=2]
Apr 28 13:05:33 adm plesk_saslauthd[14270]: read(10, &buf, 12)=12
Apr 28 13:05:33 adm plesk_saslauthd[14270]: processing client data chunk [state=3]
Apr 28 13:05:33 adm plesk_saslauthd[14270]: read(10, &buf, 2)=2
Apr 28 13:05:33 adm plesk_saslauthd[14270]: processing client data chunk [state=4]
Apr 28 13:05:33 adm plesk_saslauthd[14270]: read(10, &buf, 4)=4
Apr 28 13:05:33 adm plesk_saslauthd[14270]: processing client data chunk [state=5]
Apr 28 13:05:33 adm plesk_saslauthd[14270]: read(10, &buf, 2)=2
Apr 28 13:05:33 adm plesk_saslauthd[14270]: processing client data chunk [state=6]
Apr 28 13:05:33 adm plesk_saslauthd[14270]: read(10, &buf, 12)=12
Apr 28 13:05:33 adm plesk_saslauthd[14270]: processing client data chunk [state=7]
Apr 28 13:05:33 adm plesk_saslauthd[14270]: No such user 'support@ghmusic.info' in mail authorization database
Apr 28 13:05:33 adm plesk_saslauthd[14270]: failed mail authenticatication attempt for user 'support@ghmusic.info' (password len=13)
Apr 28 13:05:33 adm plesk_saslauthd[14270]: main cycle iteration
Apr 28 13:05:33 adm plesk_saslauthd[14270]: activity on 1 channel(s)
Apr 28 13:05:33 adm plesk_saslauthd[14270]: some write activity on client 10
Apr 28 13:05:33 adm plesk_saslauthd[14270]: attempt to write(10, &buf, 4)
Apr 28 13:05:33 adm plesk_saslauthd[14270]: client 10 processed
Apr 28 13:05:33 adm plesk_saslauthd[14270]: main cycle iteration
Apr 28 13:05:33 adm postfix/smtpd[14124]: warning: unknown[85.132.54.206]: SASL LOGIN authentication failed: authentication failure
Apr 28 13:05:33 adm postfix/smtpd[14124]: disconnect from unknown[85.132.54.206]
Apr 28 13:06:03 adm plesk_saslauthd[14270]: activity on 0 channel(s)
Apr 28 13:06:03 adm plesk_saslauthd[14270]: select timeout, exiting
Apr 28 13:07:07 adm postfix/anvil[13511]: statistics: max connection rate 1/60s for (smtp:178.124.9.15) at Apr 28 12:57:07
Apr 28 13:07:07 adm postfix/anvil[13511]: statistics: max connection count 1 for (smtp:178.124.9.15) at Apr 28 12:57:07
Apr 28 13:07:07 adm postfix/anvil[13511]: statistics: max cache size 2 at Apr 28 12:57:48
Apr 28 13:07:35 adm postfix/smtpd[14400]: warning: 188.87.225.156: hostname static-156-225-87-188.ipcom.comunitel.net verification failed: Name or service not known
Apr 28 13:07:35 adm postfix/smtpd[14400]: connect from unknown[188.87.225.156]
Apr 28 13:07:36 adm postfix/smtpd[14400]: warning: SASL authentication failure: no secret in database
Apr 28 13:07:36 adm postfix/smtpd[14400]: warning: unknown[188.87.225.156]: SASL CRAM-MD5 authentication failed: One time use of a plaintext password will enable requested mechanism for user
Apr 28 13:07:36 adm plesk_saslauthd[14404]: listen=6, status=5, dbpath='/var/spool/postfix/plesk/passwd.db', keypath='/var/spool/postfix/plesk/passwd_db_key', chroot=0, unprivileged=1
Apr 28 13:07:36 adm plesk_saslauthd[14404]: privileges set to (89:89) (effective 89:89)
Apr 28 13:07:36 adm plesk_saslauthd[14404]: main cycle started
Apr 28 13:07:36 adm plesk_saslauthd[14404]: main cycle iteration
Apr 28 13:07:36 adm plesk_saslauthd[14404]: activity on 1 channel(s)
Apr 28 13:07:36 adm plesk_saslauthd[14404]: new client (fd=10) registered
Apr 28 13:07:36 adm plesk_saslauthd[14404]: main cycle iteration
Apr 28 13:07:36 adm plesk_saslauthd[14404]: activity on 1 channel(s)
Apr 28 13:07:36 adm plesk_saslauthd[14404]: some read activity on client 10
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 2)=2
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=0]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 7)=7
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=1]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 2)=2
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=2]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 20)=20
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=3]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 2)=2
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=4]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 4)=4
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=5]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 2)=2
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=6]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 12)=12
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=7]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: No such user 'support@ghmusic.info' in mail authorization database
Apr 28 13:07:36 adm plesk_saslauthd[14404]: failed mail authenticatication attempt for user 'support@ghmusic.info' (password len=21)
Apr 28 13:07:36 adm plesk_saslauthd[14404]: main cycle iteration
Apr 28 13:07:36 adm plesk_saslauthd[14404]: activity on 1 channel(s)
Apr 28 13:07:36 adm plesk_saslauthd[14404]: some write activity on client 10
Apr 28 13:07:36 adm plesk_saslauthd[14404]: attempt to write(10, &buf, 4)
Apr 28 13:07:36 adm postfix/smtpd[14400]: warning: SASL authentication failure: Password verification failed
Apr 28 13:07:36 adm postfix/smtpd[14400]: warning: unknown[188.87.225.156]: SASL PLAIN authentication failed: authentication failure
Apr 28 13:07:36 adm plesk_saslauthd[14404]: client 10 processed
Apr 28 13:07:36 adm plesk_saslauthd[14404]: main cycle iteration
Apr 28 13:07:36 adm plesk_saslauthd[14404]: activity on 1 channel(s)
Apr 28 13:07:36 adm plesk_saslauthd[14404]: new client (fd=10) registered
Apr 28 13:07:36 adm plesk_saslauthd[14404]: main cycle iteration
Apr 28 13:07:36 adm plesk_saslauthd[14404]: activity on 1 channel(s)
Apr 28 13:07:36 adm plesk_saslauthd[14404]: some read activity on client 10
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 2)=2
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=0]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 7)=7
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=1]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 2)=2
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=2]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 20)=20
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=3]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 2)=2
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=4]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 4)=4
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=5]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 2)=2
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=6]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: read(10, &buf, 12)=12
Apr 28 13:07:36 adm plesk_saslauthd[14404]: processing client data chunk [state=7]
Apr 28 13:07:36 adm plesk_saslauthd[14404]: No such user 'support@ghmusic.info' in mail authorization database
Apr 28 13:07:36 adm plesk_saslauthd[14404]: failed mail authenticatication attempt for user 'support@ghmusic.info' (password len=21)
Apr 28 13:07:36 adm plesk_saslauthd[14404]: main cycle iteration
Apr 28 13:07:36 adm plesk_saslauthd[14404]: activity on 1 channel(s)
Apr 28 13:07:36 adm plesk_saslauthd[14404]: some write activity on client 10
Apr 28 13:07:36 adm plesk_saslauthd[14404]: attempt to write(10, &buf, 4)
Apr 28 13:07:36 adm plesk_saslauthd[14404]: client 10 processed
Apr 28 13:07:36 adm plesk_saslauthd[14404]: main cycle iteration
Apr 28 13:07:36 adm postfix/smtpd[14400]: warning: unknown[188.87.225.156]: SASL LOGIN authentication failed: authentication failure
Apr 28 13:07:36 adm postfix/smtpd[14400]: disconnect from unknown[188.87.225.156]
Apr 28 13:08:06 adm plesk_saslauthd[14404]: activity on 0 channel(s)
Apr 28 13:08:06 adm plesk_saslauthd[14404]: select timeout, exiting
Apr 28 13:09:34 adm postfix/smtpd[14531]: connect from unknown[109.62.142.8]
Apr 28 13:09:34 adm postfix/smtpd[14531]: warning: SASL authentication failure: no secret in database
Apr 28 13:09:34 adm postfix/smtpd[14531]: warning: unknown[109.62.142.8]: SASL CRAM-MD5 authentication failed: One time use of a plaintext password will enable requested mechanism for user
Apr 28 13:09:34 adm plesk_saslauthd[14534]: listen=6, status=5, dbpath='/var/spool/postfix/plesk/passwd.db', keypath='/var/spool/postfix/plesk/passwd_db_key', chroot=0, unprivileged=1
Apr 28 13:09:34 adm plesk_saslauthd[14534]: privileges set to (89:89) (effective 89:89)
Apr 28 13:09:34 adm plesk_saslauthd[14534]: main cycle started
Apr 28 13:09:34 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:34 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:34 adm plesk_saslauthd[14534]: new client (fd=10) registered
Apr 28 13:09:34 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:34 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:34 adm plesk_saslauthd[14534]: some read activity on client 10
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=0]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 4)=4
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=1]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=2]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 8)=8
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=3]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=4]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 4)=4
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=5]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=6]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 12)=12
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=7]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: No such user 'info@ghmusic.info' in mail authorization database
Apr 28 13:09:34 adm plesk_saslauthd[14534]: failed mail authenticatication attempt for user 'info@ghmusic.info' (password len=9)
Apr 28 13:09:34 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:34 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:34 adm plesk_saslauthd[14534]: some write activity on client 10
Apr 28 13:09:34 adm plesk_saslauthd[14534]: attempt to write(10, &buf, 4)
Apr 28 13:09:34 adm postfix/smtpd[14531]: warning: SASL authentication failure: Password verification failed
Apr 28 13:09:34 adm postfix/smtpd[14531]: warning: unknown[109.62.142.8]: SASL PLAIN authentication failed: authentication failure
Apr 28 13:09:34 adm plesk_saslauthd[14534]: client 10 processed
Apr 28 13:09:34 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:34 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:34 adm plesk_saslauthd[14534]: new client (fd=10) registered
Apr 28 13:09:34 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:34 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:34 adm plesk_saslauthd[14534]: some read activity on client 10
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=0]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 4)=4
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=1]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=2]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 8)=8
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=3]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=4]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 4)=4
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=5]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=6]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: read(10, &buf, 12)=12
Apr 28 13:09:34 adm plesk_saslauthd[14534]: processing client data chunk [state=7]
Apr 28 13:09:34 adm plesk_saslauthd[14534]: No such user 'info@ghmusic.info' in mail authorization database
Apr 28 13:09:34 adm plesk_saslauthd[14534]: failed mail authenticatication attempt for user 'info@ghmusic.info' (password len=9)
Apr 28 13:09:34 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:34 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:34 adm plesk_saslauthd[14534]: some write activity on client 10
Apr 28 13:09:34 adm plesk_saslauthd[14534]: attempt to write(10, &buf, 4)
Apr 28 13:09:34 adm postfix/smtpd[14531]: warning: unknown[109.62.142.8]: SASL LOGIN authentication failed: authentication failure
Apr 28 13:09:34 adm plesk_saslauthd[14534]: client 10 processed
Apr 28 13:09:34 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:34 adm postfix/smtpd[14531]: disconnect from unknown[109.62.142.8]
Apr 28 13:09:52 adm postfix/smtpd[14531]: connect from unknown[112.72.13.5]
Apr 28 13:09:53 adm postfix/smtpd[14531]: warning: SASL authentication failure: no secret in database
Apr 28 13:09:53 adm postfix/smtpd[14531]: warning: unknown[112.72.13.5]: SASL CRAM-MD5 authentication failed: One time use of a plaintext password will enable requested mechanism for user
Apr 28 13:09:53 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:53 adm plesk_saslauthd[14534]: new client (fd=10) registered
Apr 28 13:09:53 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:53 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:53 adm plesk_saslauthd[14534]: some read activity on client 10
Apr 28 13:09:53 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:53 adm plesk_saslauthd[14534]: processing client data chunk [state=0]
Apr 28 13:09:53 adm plesk_saslauthd[14534]: read(10, &buf, 7)=7
Apr 28 13:09:53 adm plesk_saslauthd[14534]: processing client data chunk [state=1]
Apr 28 13:09:53 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:53 adm plesk_saslauthd[14534]: processing client data chunk [state=2]
Apr 28 13:09:53 adm plesk_saslauthd[14534]: read(10, &buf, 8)=8
Apr 28 13:09:53 adm plesk_saslauthd[14534]: processing client data chunk [state=3]
Apr 28 13:09:53 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:53 adm plesk_saslauthd[14534]: processing client data chunk [state=4]
Apr 28 13:09:53 adm plesk_saslauthd[14534]: read(10, &buf, 4)=4
Apr 28 13:09:53 adm plesk_saslauthd[14534]: processing client data chunk [state=5]
Apr 28 13:09:53 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:53 adm plesk_saslauthd[14534]: processing client data chunk [state=6]
Apr 28 13:09:53 adm plesk_saslauthd[14534]: read(10, &buf, 12)=12
Apr 28 13:09:53 adm plesk_saslauthd[14534]: processing client data chunk [state=7]
Apr 28 13:09:53 adm plesk_saslauthd[14534]: No such user 'support@ghmusic.info' in mail authorization database
Apr 28 13:09:53 adm plesk_saslauthd[14534]: failed mail authenticatication attempt for user 'support@ghmusic.info' (password len=9)
Apr 28 13:09:53 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:53 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:53 adm plesk_saslauthd[14534]: some write activity on client 10
Apr 28 13:09:53 adm plesk_saslauthd[14534]: attempt to write(10, &buf, 4)
Apr 28 13:09:53 adm plesk_saslauthd[14534]: client 10 processed
Apr 28 13:09:53 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:53 adm postfix/smtpd[14531]: warning: SASL authentication failure: Password verification failed
Apr 28 13:09:53 adm postfix/smtpd[14531]: warning: unknown[112.72.13.5]: SASL PLAIN authentication failed: authentication failure
Apr 28 13:09:54 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:54 adm plesk_saslauthd[14534]: new client (fd=10) registered
Apr 28 13:09:54 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:54 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:54 adm plesk_saslauthd[14534]: some read activity on client 10
Apr 28 13:09:54 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:54 adm plesk_saslauthd[14534]: processing client data chunk [state=0]
Apr 28 13:09:54 adm plesk_saslauthd[14534]: read(10, &buf, 7)=7
Apr 28 13:09:54 adm plesk_saslauthd[14534]: processing client data chunk [state=1]
Apr 28 13:09:54 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:54 adm plesk_saslauthd[14534]: processing client data chunk [state=2]
Apr 28 13:09:54 adm plesk_saslauthd[14534]: read(10, &buf, 8)=8
Apr 28 13:09:54 adm plesk_saslauthd[14534]: processing client data chunk [state=3]
Apr 28 13:09:54 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:54 adm plesk_saslauthd[14534]: processing client data chunk [state=4]
Apr 28 13:09:54 adm plesk_saslauthd[14534]: read(10, &buf, 4)=4
Apr 28 13:09:54 adm plesk_saslauthd[14534]: processing client data chunk [state=5]
Apr 28 13:09:54 adm plesk_saslauthd[14534]: read(10, &buf, 2)=2
Apr 28 13:09:54 adm plesk_saslauthd[14534]: processing client data chunk [state=6]
Apr 28 13:09:54 adm plesk_saslauthd[14534]: read(10, &buf, 12)=12
Apr 28 13:09:54 adm plesk_saslauthd[14534]: processing client data chunk [state=7]
Apr 28 13:09:54 adm plesk_saslauthd[14534]: No such user 'support@ghmusic.info' in mail authorization database
Apr 28 13:09:54 adm plesk_saslauthd[14534]: failed mail authenticatication attempt for user 'support@ghmusic.info' (password len=9)
Apr 28 13:09:54 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:54 adm plesk_saslauthd[14534]: activity on 1 channel(s)
Apr 28 13:09:54 adm plesk_saslauthd[14534]: some write activity on client 10
Apr 28 13:09:54 adm plesk_saslauthd[14534]: attempt to write(10, &buf, 4)
Apr 28 13:09:54 adm plesk_saslauthd[14534]: client 10 processed
Apr 28 13:09:54 adm plesk_saslauthd[14534]: main cycle iteration
Apr 28 13:09:54 adm postfix/smtpd[14531]: warning: unknown[112.72.13.5]: SASL LOGIN authentication failed: authentication failure
Apr 28 13:09:54 adm postfix/smtpd[14531]: disconnect from unknown[112.72.13.5]


Ze proberen allerlei niet bestaande inboxen uit lijkt het.

Ik heb fail2ban geïnstalleerd maar die doet niks tenzij er 3x een inlogpoging van hetzelfde IP komt, en dat gebeurt niet omdat het IP-adres steeds wisselt.

Zit me af te vragen of ik de "saslauthd" service niet gewoon beter kan stoppen, ik gebruik in principe de SMTP server niet behalve voor intern gebruik van 127.0.0.1 om mail te sturen.

ProMods ETS2 uitbreiding - Mijn tijdszone is UTC+13


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  • Hero of Time
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Hero of Time

Moderator LNX

There is only one Legend

Het botnet probeert een openstaande mailrelay te pakken te krijgen. Jij hebt port 25 open staan en het netwerk probeert dus via jouw server mail te sturen. Gewoon IPtables instellen om op het externe adres het te blokkeren en alleen op localhost toe te staan. Alle systemen die intern moeten mailen, via localhost laten doen. Heb je andere servers die gebruik moeten kunnen maken van je mail server, dan stel je die in als toestaan, voor de block all regel.

Commandline FTW | Tweakt met mate


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  • ScuL
  • Registratie: Januari 2000
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Bedankt, ik wist niet of het een absolute vereiste was om poort 25 open te laten van buitenaf als je alleen zelf mail verstuurt (voor handshaking ofzo..)

Ik heb de SMTP server niet nodig omdat ik zelf altijd de Gmail servers gebruik.
(behalve voor sendmail dan)

Heb het nu als volgt opgelost:

In /etc/postfix/master.cf
127.0.0.1:smtp inet n - n - - smtpd
ipv de normale smtp.
Dat betekent dat postfix niet meer luistert op het externe IP :)

[ Voor 3% gewijzigd door ScuL op 28-04-2014 14:23 ]

ProMods ETS2 uitbreiding - Mijn tijdszone is UTC+13