OSEC

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external using my account

From: Alexandre Balistrieri (balisir.inpe.br)
Date: Wed Oct 03 2007 - 09:15:43 CDT


How to break it?

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Oct 3 10:28:42 localhost postfix/smtpd[593]: 24F30749:
client=vsmtp10.tin.it[212.216.176.186]
Oct 3 10:28:42 localhost postfix/cleanup[1622]: 24F30749:
message-id=<469488B20000AB3Csirio10.tin.it>
Oct 3 10:28:42 localhost postfix/qmgr[19631]: 24F30749:
from=<balisir.inpe.br>, size=762, nrcpt=1 (queue active)
Oct 3 10:28:42 localhost postfix/lmtp[2752]: 24F30749: to=<balisir.inpe.br>,
relay=10.0.0.2[10.0.0.2]:10024, delay=3.3, delays=3/0/0.01/0.3, dsn=2.6.0,
status=sent (250 2.6.0 Ok, id=04629-10, from MTA([10.0.0.1]:10025): 250 2.0.0
Ok: queued as 92A3975A)
Oct 3 10:28:42 localhost postfix/qmgr[19631]: 24F30749: removed

rootsmtp:~# postconf -n
address_verify_map = btree:/var/spool/postfix/verified_senders
alias_database = hash:/etc/postfix/aliases
alias_maps = hash:/etc/postfix/aliases
allow_untrusted_routing = no
anvil_rate_time_unit = 60s
anvil_status_update_time = 600s
append_dot_mydomain = no
body_checks = pcre:/etc/postfix/body_checks_sir
body_checks_size_limit = 51200
bounce_queue_lifetime = 3d
bounce_template_file = /etc/postfix/bounces.cf
broken_sasl_auth_clients = yes
command_directory = /usr/sbin/
config_directory = /etc/postfix
content_filter = smtp-amavis:10.0.0.2:10024
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
default_process_limit = 250
delay_warning_time = 2h
disable_vrfy_command = yes
fast_flush_domains = $relay_domains
header_checks = pcre:/etc/postfix/header_checks_sir
html_directory = /usr/doc/postfix-2.1.4/HTML
inet_interfaces = all
mail_owner = postfix
mailbox_size_limit = 300000000
mailq_path = /usr/sbin/mailq
manpage_directory = /usr/man
maximal_queue_lifetime = 3d
message_size_limit = 20480000
mime_header_checks = $header_checks
mydestination = $myhostname, localhost.$mydomain, $mydomain
mydomain = sir.inpe.br
mynetworks = /etc/postfix/minhas_redes
myorigin = $mydomain
nested_header_checks = $header_checks
newaliases_path = /usr/sbin/newaliases
queue_directory = /var/spool/postfix
readme_directory = /usr/doc/postfix-2.1.4/README_FILES
recipient_delimiter = +
relay_domains = $mydestination,
relay_transport = relay
sample_directory = /etc/postfix/sample
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtp_connect_timeout = 30s
smtp_helo_timeout = 20s
smtpd_banner = $myhostname ESMTP Mail Server
smtpd_client_connection_count_limit = 40
smtpd_client_connection_rate_limit = 20
smtpd_data_restrictions = reject_multi_recipient_bounce,
                        reject_unauth_pipelining,
                       permit
smtpd_delay_reject = yes
smtpd_error_sleep_time = 1
smtpd_hard_error_limit = 6
smtpd_helo_required = yes
smtpd_recipient_limit = 2000
smtpd_recipient_restrictions =
        reject_unlisted_recipient,
        permit_mynetworks,
        permit_sasl_authenticated,
        reject_unauth_destination,
                check_recipient_access hash:/etc/postfix/recipient_exceptions,
        check_client_access hash:/etc/postfix/client_exceptions,
        reject_unknown_client,
        check_client_access hash:/etc/postfix/client_checks,
        check_client_access cidr:/etc/postfix/client_checks.cidr,
        check_helo_access hash:/etc/postfix/helo_checks,
        check_helo_access cidr:/etc/postfix/helo_checks.cidr,
        check_helo_access pcre:/etc/postfix/helo_checks.pcre,
        reject_invalid_helo_hostname,
        reject_unknown_helo_hostname,
        reject_non_fqdn_hostname,
        check_sender_access hash:/etc/postfix/sender_exceptions,
        check_sender_access pcre:/etc/postfix/sender_checks.pcre,
        check_sender_access hash:/etc/postfix/sender_checks,
        check_sender_access hash:/etc/postfix/unverified_exceptions,
        reject_non_fqdn_sender, reject_unknown_sender_domain,
        reject_unlisted_sender, reject_non_fqdn_recipient,
        reject_unknown_recipient_domain,
        reject_unverified_recipient,
        check_recipient_access hash:/etc/postfix/do_inpe_pro_inpe,
        check_recipient_access mysql:/etc/postfix/mysql_restrictive_permissive.cf,
        check_policy_service unix:private/policy,
        check_policy_service inet:150.163.12.11:2525,
        permit
smtpd_reject_unlisted_recipient = yes
smtpd_reject_unlisted_sender = yes
smtpd_restriction_classes = restrictive permissive
smtpd_sasl_auth_enable = yes
smtpd_sasl_path = private/auth
smtpd_sasl_type = dovecot
smtpd_soft_error_limit = 3
strict_rfc821_envelopes = yes
unknown_address_reject_code = 554
unknown_client_reject_code = 554
unknown_hostname_reject_code = 554
unknown_local_recipient_reject_code = 550
unknown_relay_recipient_reject_code = 550
unverified_recipient_reject_code = 550
unverified_sender_reject_code = 550
virtual_alias_domains =
        adm.inpe.br
        cpl.inpe.br
        sia.inpe.br
        std.inpe.br
        pgrad.inpe.br
        igbp.inpe.br
        adc.inpe.br
        dmf.inpe.br
        sci.inpe.br
        iss.inpe.br
        crs.inpe.br
virtual_alias_maps = mysql:/etc/postfix/mysql_virtual_aliases.cf

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Bali