Hello everybody
I'm seeking help into debuggig a strange situation
We 've got here a bunch of VTUN hosts and I've got a strange behavior
from certain computer
Server is using vtun 3.0.3
Client have vtun 3.0.2 (and some 2.6, but that's not the fact)
Server config :
---------
options {
port 21; # Listen on this port.
# Path to various programs
ifconfig /sbin/ifconfig;
route /sbin/route;
}
# Default host options
default {
compress no; # Compression is off by default
speed 0; # By default maximum speed, NO shaping
}
# host A
hosta{
passwd passa;
type tun;
proto tcp;
encrypt oldblowfish128ecb;
keepalive no;
up {
program /usr/local/sbin/killtun "hosta 10.239.3.4 %d" wait;
ifconfig "%% 10.239.3.3 pointopoint 10.239.3.4 mtu 1350";
};
}
# host b
hostb{
passwd passb;
type tun;
proto tcp;
encrypt oldblowfish128ecb;
keepalive no;
up {
program /usr/local/sbin/killtun "hostb 10.239.3.6 %d" wait;
ifconfig "%% 10.239.3.5 pointopoint 10.239.3.6 mtu 1350";
};
}
------------
On the client side
-----
options {
port 21;
timeout 60;
ifconfig /sbin/ifconfig;
route /sbin/route;
firewall /sbin/iptables;
}
hosta {
passwd passa;
device tun0;
up {
ifconfig "%% 10.239.3.4 pointopoint 10.239.3.3 mtu 1000";
};
}
------------
And same thing for host B (hostb, passb and IP changed of course)
Host B connect flawlessly
Host A just has in syslog a "connection denied by <server IP>"
On the server side in syslog "connection denied from <Client IP>"
The configs are identical, the systems are identical, the versions are
identical
That's not a firewall problem, tcpdump show connection on both sides
How is it possible ? How can I have a bit more information on the deny
reason ?
TIA for your help
Sincerly
Laurent COOPER
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