Strange connections

Hi,

I have a firewall with diald to establish connection on a RTC modem.
But when I do a telnet to my firewall on my local network, diald 
establishes a connection to my provider before connecting to my 
firewall. The same happens when I try to read newsgroup that are on my 
Firewall also via leafnode.

Is there something wrong with my route??

Any ideas, Thanks
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Rene