Beiträge von apos

#!/bin/bash




VPN_SUBNET="192.168.50.0/24"
ETH0_VIRT_SUBNET="192.168.55.0/24"
ETH0_VIRT_DEV="eth0:vpn"




iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -s ${VPN_SUBNET} -j ACCEPT
iptables -A FORWARD -j REJECT




iptables -t nat -A POSTROUTING -s ${VPN_SUBNET} -o ${ETH0_VIRT_DEV} -j MASQUERADE
iptables -t nat -A POSTROUTING -s ${VPN_SUBNET} -d ${ETH0_VIRT_SUBNET} -j MASQUERADE

iptables -nvL -t nat --line-number




Chain PREROUTING (policy ACCEPT 23 packets, 1220 bytes)
num   pkts bytes target 	prot opt in 	out 	source           	destination
1   	24  1262 premodules  all  --  *  	*   	0.0.0.0/0        	0.0.0.0/0




Chain INPUT (policy ACCEPT 21 packets, 1116 bytes)
num   pkts bytes target 	prot opt in 	out 	source           	destination




Chain OUTPUT (policy ACCEPT 62 packets, 4320 bytes)
num   pkts bytes target 	prot opt in 	out 	source           	destination




Chain POSTROUTING (policy ACCEPT 62 packets, 4320 bytes)
num   pkts bytes target 	prot opt in 	out 	source           	destination
1   	62  4320 postmodules  all  --  *  	*   	0.0.0.0/0        	0.0.0.0/0
2    	0 	0 SNAT   	all  --  *  	eth0   !MY.SERVER.IP.49     	0.0.0.0/0        	to:MY.IP.SERVER.49
3    	0 	0 MASQUERADE  all  --  *  	eth0:vpn  192.168.50.0/24  	0.0.0.0/0
4    	0 	0 MASQUERADE  all  --  *  	*   	192.168.50.0/24  	192.168.55.0/24




Chain postmodules (1 references)
num   pkts bytes target 	prot opt in 	out 	source           	destination




Chain premodules (1 references)
num   pkts bytes target 	prot opt in 	out 	source           	destination

Reporting-MTA: dns; meinserver.yourvserver.net
X-Postfix-Queue-ID: 6934E14D2284
X-Postfix-Sender: rfc822; [B]absender@mail.com[/B]
Arrival-Date: Wed,  9 Mar 2011 13:07:39 +0100 (CET)




Final-Recipient: rfc822; [B]info@vserverdomain.de[/B]
Original-Recipient: rfc822;[B]info@vserverdomain.de[/B]
Action: failed
Status: 5.4.6
Diagnostic-Code: X-Postfix; mail for [B]vserverdomain.de[/B] loops back to myself

[B]/etc/postfix# cat master.cf[/B]
#
# Postfix master process configuration file.  For details on the format
# of the file, see the master(5) manual page (command: "man 5 master").
#
# ==========================================================================
# service type  private unpriv  chroot  wakeup  maxproc command + args
#               (yes)   (yes)   (yes)   (never) (100)
# ==========================================================================
smtp      inet  n       -       -       -       -       smtpd
# Submission port 587 aktivieren
submission inet n       -       n       -       -       smtpd
  -o smtpd_enforce_tls=yes
  -o smtpd_sasl_auth_enable=yes
  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
#smtps     inet  n       -       -       -       -       smtpd
#  -o smtpd_tls_wrappermode=yes
#  -o smtpd_sasl_auth_enable=yes
#  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
#628      inet  n       -       -       -       -       qmqpd
pickup    fifo  n       -       -       60      1       pickup
cleanup   unix  n       -       -       -       0       cleanup
qmgr      fifo  n       -       n       300     1       qmgr
#qmgr     fifo  n       -       -       300     1       oqmgr
tlsmgr    unix  -       -       -       1000?   1       tlsmgr
rewrite   unix  -       -       -       -       -       trivial-rewrite
bounce    unix  -       -       -       -       0       bounce
defer     unix  -       -       -       -       0       bounce
trace     unix  -       -       -       -       0       bounce
verify    unix  -       -       -       -       1       verify
flush     unix  n       -       -       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
smtp      unix  -       -       -       -       -       smtp
# When relaying mail as backup MX, disable fallback_relay to avoid MX loops
relay     unix  -       -       -       -       -       smtp
    -o fallback_relay=
#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq     unix  n       -       -       -       -       showq
error     unix  -       -       -       -       -       error
discard   unix  -       -       -       -       -       discard
local     unix  -       n       n       -       -       local
virtual   unix  -       n       n       -       -       virtual
lmtp      unix  -       -       -       -       -       lmtp
anvil     unix  -       -       -       -       1       anvil
scache      unix    -    -    -    -    1    scache
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent.  See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
maildrop  unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient}
#
# See the Postfix UUCP_README file for configuration details.
#
uucp      unix  -       n       n       -       -       pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
#
# Other external delivery methods.
#
ifmail    unix  -       n       n       -       -       pipe
  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp     unix  -       n       n       -       -       pipe
  flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient
scalemail-backend unix    -    n    n    -    2    pipe
  flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension}
mailman   unix  -       n       n       -       -       pipe
  flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
  ${nexthop} ${user}
dovecot   unix  -       n       n       -       -       pipe
        flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -d ${recipient}




retry     unix  -       -       -       -       -       error

[B]/etc/postfix# cat main.cf[/B]
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no
append_dot_mydomain = no
myhostname = meinvserver.yourvserver.net
mydomain = meinvserver.yourvserver.net
mydestination = localhost.$mydomain, localhost, $myhostname, $mydomain
mynetworks = 127.0.0.0/8
alias_maps = $alias_database
virtual_mailbox_base = /var/kunden/mail/
virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual_mailbox_maps.cf
virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual_mailbox_domains.cf
virtual_alias_domains =
virtual_alias_maps = mysql:/etc/postfix/mysql-virtual_alias_maps.cf
virtual_uid_maps = static:2000
virtual_gid_maps = static:2000
smtpd_sasl_auth_enable = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_security_options = noanonymous
smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination
broken_sasl_auth_clients = yes




maps_rbl_domains = relays.ordb.org
smtp_recipient_restrictions = reject_maps_rbl, reject_unauth_destination, reject_unauth_pipelining
smtp_client_restrictions = reject_maps_rbl, reject_unauth_destination, reject_unauth_pipelining
smtp_sender_restrictions = reject_maps_rbl, reject_unauth_destination, reject_unauth_pipelining, reject_unknown_sender_domain, reject_non_fqdn_sender, reject_unknown_client, reject_non_fqdn_hostname




smtpd_tls_cert_file = /etc/postfix/mail.cert
smtpd_tls_key_file = /etc/postfix/mail.key
smtpd_use_tls = yes
smtpd_enforce_tls = no
smtpd_tls_auth_only = no