Bu gün log kayıtlarını incelerken maillog dosyasının içinde aşağıkilerine benzer satırlar gördüm. Bu satırlar çok var. Acaba sorun bir sorun mu var yada tehlike? Teşekkürler
189.xxx serverin ip'si
85.xxx servere ekli durumda üzerinde bir site olan ip
Oct 14 13:54:49 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<psybnc>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<KmU8hGEFpwC9Mg7K> Oct 14 13:55:05 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user psybnc Oct 14 13:55:07 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<psybnc>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<tWhPhWEFPQC9Mg7K> Oct 14 13:55:23 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user psybnc Oct 14 13:55:25 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<psybnc>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<FGdihmEF1gC9Mg7K> Oct 14 13:55:41 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user exit Oct 14 13:55:43 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<exit>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<Uux1h2EFawC9Mg7K> Oct 14 13:55:59 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user exit Oct 14 13:56:01 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<exit>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<1xuJiGEFAQC9Mg7K> Oct 14 13:56:17 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user exit Oct 14 13:56:19 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<exit>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<1eOciWEFmwC9Mg7K> Oct 14 13:56:35 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user alina Oct 14 13:56:37 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<alina>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<IzKwimEFNQC9Mg7K> Oct 14 13:56:53 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user alina Oct 14 13:56:55 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<alina>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<s0/Di2EFzQC9Mg7K> Oct 14 13:57:11 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user alina Oct 14 13:57:13 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<alina>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<jYPWjGEFYQC9Mg7K> Oct 14 13:57:29 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user stef Oct 14 13:57:31 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<stef>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<UrLpjWEF/AC9Mg7K> Oct 14 13:57:47 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user stef Oct 14 13:57:49 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<stef>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<xAf9jmEFlAC9Mg7K> Oct 14 13:58:05 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user stef Oct 14 13:58:07 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 18 secs): user=<stef>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<PYYIkGEFJQC9Mg7K> Oct 14 13:58:10 host dovecot: auth: Error: Cpanel::MailAuth: Failed to lookup domain owner of members.linode.com Oct 14 13:58:23 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user print Oct 14 13:58:25 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<print>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<2ewbkWEFuwC9Mg7K> Oct 14 13:58:41 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user print Oct 14 13:58:43 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<print>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<mBAvkmEFVAC9Mg7K> Oct 14 13:58:59 host dovecot: auth: Error: Cpanel::MailAuth: Failed to getpwnam for user print Oct 14 13:59:01 host dovecot: pop3-login: Disconnected (auth failed, 1 attempts in 17 secs): user=<print>, method=PLAIN, rip=189.xxx, lip=85.xxx, session=<jz9Ck2EF7gC9Mg7K>