exim doesn't accept connections [was: ipchains/smtp/bastille problem]
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Hi everybody!
I checked some more and now know my problems aren't caused by my firewall.
I get the following behaviour no matter if my ipchains firewall is on or if
all rules are flushed:
I run exim on a (woody) machine with one internal (192.168.0.1) NIC and one
public (connected to my ISP).
Exim on this machine accepts connections from localhost and from machines on
my own network, but not from machines on the internet.
If I do 'telnet flaskan 25' from a machine on my internal network i get:
Trying 192.168.0.1...
Connected to flaskan.lillehenke.cjb.net.
Escape character is '^]'.
220 flaskan.lillehenke.cjb.net ESMTP Exim 3.35 #1 Thu, 07 Nov 2002 22:49:18
+0100
(It takes a few seconds before the 220 line arrives.)
If i log on to the machine and do 'telnet localhost 25' I get:
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 flaskan.lillehenke.cjb.net ESMTP Exim 3.35 #1 Thu, 07 Nov 2002 22:54:17
+0100
(with no delays)
If i try 'telnet lillehenke.cjb.net 25' (which resolves to the public NIC on
'flaskan') from a machine on the internet (I ssh to a machine in school to
test this), I just get:
Trying 213.66.203.147...
and then nothing until the connection times out:
telnet: Unable to connect to remote host: Connection timed out
I can connect to other mail servers (such as my IPS's) from the machine in
school. I can reach other services on my machine (ssh) from outside my home
network.
My exim.conf hasn't been changed since I set this up initially and I could
still recieve mail about a week after that.
Theories anyone?
br,
Henrik Johansson
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