Mailinglist Archive: opensuse-security (343 mails)

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Can't receive messages
Hi,

I've tried to use SuSEFirewall to configure a server with SMTP, POP and a Web
server.

I've activated masquerading to allow the users on the local network to access
Internet.

I had to desactivate FW_PROTECT_FROM_INTERNAL to allows certain feature, for
example traceroute. What is the good way?

The mail server works well from local user to local user and from local user
to external user. But entering mails are systematically rejected. I've
copied below the Firewall and senmail config file of SuSEFirewall.
aaa.bbb.ccc.130 is the public IP adress of the firewall.

Below, you can see also the log of the firewall. How to find a relation
between this messages, and the output of ipchains -L?

Thank for your help,

regards,

Philippe.

---


FW_DEV_WORLD=""
FW_DEV_INT="eth0 ppp0"
FW_MASQUERADE="yes"
FW_PROTECT_FROM_INTERNAL="no"
FW_ROUTE="yes"
FW_SERVICES_EXTERNAL_TCP="25 80"
FW_SERVICES_EXTERNAL_UDP="25 80"
FW_SERVICES_INTERNAL_TCP="25 53 80 110 3128"
FW_SERVICES_INTERNAL_UDP="53"
FW_SERVICE_DNS="yes"
FW_STOP_KEEP_ROUTING_STATE="yes"


SENDMAIL_TYPE="yes"
SENDMAIL_SMARTHOST=""
SENDMAIL_LOCALHOST="localhost this.server.ua"
SENDMAIL_RELAY=""
SENDMAIL_ARGS="-bd -q30m -om"
SENDMAIL_EXPENSIVE="no"
SENDMAIL_EXPENSIVE="no"
SENDMAIL_NOCANONIFY="no"
SENDMAIL_NODNS="no"
SENDMAIL_DIALUP="no"
SENDMAIL_GENERICS_DOMAIN=""
MASQUERADE_DOMAINS=""


Jul 13 16:50:30 citydesign kernel: Packet log: rulchain REJECT ppp0
PROTO=6 202.58.118.7:1329 aaa.bbb.ccc.130:25 L=60 S=0x00 I=3205 F=0x4000
T=41 SYN (#7)
Jul 13 16:50:30 citydesign kernel: Packet log: rulchain REJECT ppp0
PROTO=6 202.58.118.7:1329 aaa.bbb.ccc.130:25 L=60 S=0x00 I=3205 F=0x4000
T=41 SYN (#7)
Jul 13 16:50:46 citydesign kernel: Packet log: rulchain REJECT ppp0
PROTO=6 193.41.48.5:1426 aaa.bbb.ccc.130:25 L=44 S=0x00 I=7215 F=0x4000
T=61 SYN (#7)
Jul 13 16:50:49 citydesign kernel: Packet log: rulchain REJECT ppp0
PROTO=6 193.41.48.5:1426 aaa.bbb.ccc.130:25 L=44 S=0x00 I=7338 F=0x4000
T=61 SYN (#7)
Jul 13 16:50:55 citydesign kernel: Packet log: rulchain REJECT ppp0
PROTO=6 193.41.48.5:1426 aaa.bbb.ccc.130:25 L=44 S=0x00 I=7580 F=0x4000
T=61 SYN (#7)
Jul 13 16:51:07 citydesign kernel: Packet log: rulchain REJECT ppp0
PROTO=6 193.41.48.5:1426 aaa.bbb.ccc.130:25 L=44 S=0x00 I=8061 F=0x4000
T=61 SYN (#7)


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