Cześć
Kiedyś już z tym walczyłem, ale słabo mi poszło. Choć niby do przodu.
Próbuje połączyć się z Zurusem i dostaję:

mruczus:/etc/network# ifup usb0
Internet Software Consortium DHCP Client 2.0pl5
Copyright 1995, 1996, 1997, 1998, 1999 The Internet Software Consortium.
All rights reserved.

Please contribute if you find this software useful.
For info, please visit http://www.isc.org/dhcp-contrib.html

Listening on LPF/usb0/92:35:0e:66:e7:c2
Sending on   LPF/usb0/92:35:0e:66:e7:c2
Sending on   Socket/fallback/fallback-net
DHCPREQUEST on usb0 to 255.255.255.255 port 67
ip length 328 disagrees with bytes received 332.
accepting packet with data after udp payload.
DHCPACK from 192.168.129.201
bound to 192.168.129.1 -- renewal in 300 seconds.
iptables v1.2.9: invalid mask `' specified
Try     `iptables -h' or 'iptables --help' for more information.
iptables v1.2.9: invalid mask `' specified
Try     `iptables -h' or 'iptables --help' for more information.
iptables v1.2.9: invalid mask `' specified
Try     `iptables -h' or 'iptables --help'` for more information.
run-parts: /etc/network/if-up.d/50zaurus exited with return code 2

plik /etc/networking/interfaces 
[...]
iface usb0 inet dhcp
[...]

/etc/network/if-up.d/50zaurus
#!/bin/sh

case $IFACE in
  usb0)
    echo 1 > /proc/sys/net/ipv4/ip_forward

    iptables -t filter -F FORWARD
    iptables -t filter -P FORWARD DROP
    iptables -t filter -A FORWARD -s $IF_POINTOPOINT/$IF_NETMASK -j ACCEPT
    iptables -t filter -A FORWARD -d $IF_POINTOPOINT/$IF_NETMASK -j ACCEPT

    iptables -t nat -F PREROUTING
    iptables -t nat -P PREROUTING ACCEPT

    iptables -t nat -F POSTROUTING
    iptables -t nat -P POSTROUTING ACCEPT

    iptables -t nat -F OUTPUT
    iptables -t nat -P OUTPUT ACCEPT
    iptables -t nat -A POSTROUTING -s $IF_POINTOPOINT/$IF_NETMASK -o eth0 -j
MASQUERADE
    ;;
esac

Macie pomysły co jest nie tak. Ja nie rozumiem do czego w tych regułkach się
czepia?

-- 
Wawrzyniec Niewodniczański      E-MAIL: niewod(at)kicia.ch.pwr.wroc.pl
        vel LarryN             WWW: http://kicia.ch.pwr.wroc.pl/~niewod         
         
       PhD student @                    JID: [EMAIL PROTECTED]        
Wroclaw University of Technology        TEL: +48(071)320-2894

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