Portál AbcLinuxu, 14. května 2025 20:12
/Roundcube/rcube_imap.php on line 193 (POST /webmail/?_task=login&_action=login)
[24-Nov-2017 16:55:31 +0100]: <12jmipvl> IMAP Error: Login failed for root@xxx 88.212.29.242. AUTHENTICATE PLAIN: Authentication failed. in /usr/share/roundcube/program/lib/Roundcube/rcube_imap.php on line 193 (POST /webmail/?_task=login&_action=login)
root@euve258500:/usr/share# telnet localhost 143
Trying 127.0.0.1...
Connected to localhost.localdomain.
Escape character is '^]'.
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
nmap -sT localhost
Starting Nmap 7.40 ( https://nmap.org ) at 2017-11-24 17:04 CET
Nmap scan report for localhost (127.0.0.1)
rDNS record for 127.0.0.1: localhost.localdomain
Not shown: 984 closed ports
Host is up (0.00020s latency).
143/tcp open imap
uz neviem kde moze byt problme, pozrel som konfiguraky, na internete s[ rozne verzie nastaveni ako aj
root@euve258500:/usr/share# dpkg -l | grep dovecot
ii dovecot-core 1:2.2.27-3+deb9u1 amd64 secure POP3/IMAP server - core files
ii dovecot-imapd 1:2.2.27-3+deb9u1 amd64 secure POP3/IMAP server - IMAP daemon
ii dovecot-lmtpd 1:2.2.27-3+deb9u1 amd64 secure POP3/IMAP server - LMTP server
ii dovecot-mysql 1:2.2.27-3+deb9u1 amd64 secure POP3/IMAP server - MySQL support
ii dovecot-pop3d 1:2.2.27-3+deb9u1 amd64 secure POP3/IMAP server - POP3 daemon
ii dovecot-sieve 1:2.2.27-3+deb9u1 amd64 secure POP3/IMAP server - Sieve filters support
Login failed for root@xxxUrcite email jako root?
To je dobré, teď se ještě zkus přihlásit…telnet localhost 143
a01 login root@*** nbusr123 a02 list "Mail" "*" a03 SELECT INBOX a04 FETCH 1:* FLAGS a05 FETCH 1 full a06 FETCH 1 body[text]
faidron@euve258500:~$ telnet localhost 143
Trying 127.0.0.1...
Connected to localhost.localdomain.
Escape character is '^]'.
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
a login faidron nbusr123
a NO [AUTHENTICATIONFAILED] Authentication failed.
vypis z logu:
—---
tail /var/log/mail.log
Nov 27 10:52:01 euve258500 postfix/smtpd[26342]: connect from localhost.localdomain[127.0.0.1]
Nov 27 10:52:01 euve258500 postfix/smtpd[26342]: lost connection after CONNECT from localhost.localdomain[127.0.0.1]
Nov 27 10:52:01 euve258500 postfix/smtpd[26342]: disconnect from localhost.localdomain[127.0.0.1] commands=0/0
Nov 27 10:52:01 euve258500 dovecot: pop3-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=127.0.0.1, lip=127.0.0.1, secured, session=<4vWa2vNe2KB/AAAB>
Nov 27 10:52:01 euve258500 dovecot: imap-login: Disconnected (no auth attempts in 0 secs): user=<>, rip=127.0.0.1, lip=127.0.0.1, secured, session=<***>
Pozeral som este odkial taha userov,
root@euve258500:/etc/dovecot/conf.d# cat /etc/dovecot/dovecot.conf
mail_max_userip_connections = 100
passdb {
args = /etc/dovecot/dovecot-sql.conf
driver = sql
}
userdb {
driver = prefetch
}
no auth attempts in 0 secsZůstal ten telnet viset a čekat na vstup, nebo se hned odpojil?
Po prihlaseni na port cez telnet caka na prikaz, rovnako tak caka, po zadani autorizacnych udajov (FAILED).
root@euve258500:/home/faidron# telnet localhost 143
Trying 127.0.0.1...
Connected to localhost.localdomain.
Escape character is '^]'.
* OK [CAPABILITY IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE IDLE STARTTLS AUTH=PLAIN AUTH=LOGIN] Dovecot ready.
a login root@localhost nbusr123
a NO [AUTHENTICATIONFAILED] Authentication failed.
userdb {
driver = prefetch
}
userdb {
args = /etc/dovecot/dovecot-sql.conf
driver = sql
}
cat /etc/dovecot/dovecot.conf mail_max_userip_connections = 100
Tiskni
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