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From: Jörn Ott (suse-security_at_ott-service.de)
Date: Tue Jan 07 2003 - 08:53:04 CST

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    > Doublecheck "IP_FORWARD" in /etc/sysconfig/sysctl
    this is in /etc/rc.config on a 7.3 box (or in a file in
    /etc/rc.config.d/)

    Masquerading should be activated on the linux box and I strongly
    recommend setting up a DNS server on that machine (for caching DNS
    requests). Then put the DNS server of your provider into the forwarders
    {} section in /etc/named.conf
    Check if the SuSEfirewall2 script is executed in /etc/ppp/ip-up (AFAIK
    SuSEfirewall2 wasnt mentioned there, there was only a line about FW1)

    >> What about the Win9X PCs?? Is there something that I have to do
    >> there??
    you need to set up a default gateway (IP of your server) and a DNS
    server (either your server if you run a nameserver or the nameserver of
    your provider).

    Testing should go the following way:
    - Trigger a dialing
    - look into /var/log/messages to see what happened (and find out which
    DNS server your peer wants to assign you)
    - look at ifconfig ppp0 (find out your IP etc)
    - ping the IP of your peer from your linux box
    - ping a name (www.yahoo.com) from your linux box
    - ping you linux box from a windoze
    - traceroute (tracert) an IP from your windoze
    - nslookup a name from a windoze
    - traceroute a name from a windoze

    That should give you some hints on the problem

    cya
    Jörn

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