I have succesfully creating a tiny network consisting of 2 computers.  My Linux machine dials my isp on ppp0.  I linked my 98 box using ipfwd and masquerade. 
I can ping each machine from the other, and each have routing to the net.. 
     However, I am a big IRC user and use DCC chat often..Effectively this is just a telnet session established between 2 ip's on irc.  While on the 98 box i cannot connect to anyone, however on the linux box it works fine.  So I thought it might be my rules, so i set them all to "allow"  ie:
/sbin/ipfwadm -F -l -n
IP firewall forward rules, default policy: accept/masquerade
/sbin/ipfwadm -I -l -n
IP firewall input rules, default policy: accept
/sbin/ipfwadm -O -l -n
IP firewall output rules, default policy: accept
 
Still no fix...is my configuration garbled..?  Or does ipfwd not have support for initiating dcc's behind the firewall machine...
 
Ryan
[EMAIL PROTECTED]
 

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