On Tue, 3 Aug 1999, Aron =?ISO-8859-1?Q?H=E5kanson?= wrote:
> my diald machine makes a connection to my isp every 15 minute. is there
> a way to see from which machine these requests come? in the /var/log/message
> file it only prints messages like:
> Trigger: udp 192.168.1.98/61000 193.219.224.230/53
Port 61000 is in the region normally used for masqueraded
connections. You can unmasquerade by hand by reading
/proc/net/ip_masquerade. Port 53 is DNS. I would recommend
you *always* run a DNS server on the local side of a dial
up connection and not forward or masquerade DNS traffic.
That way you have a much easier task of keeping other
machines in check.
Mike
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