Re: Internet sharing only works for a few minutes. URGENT
--- spiri <spiri@netcabo.pt> wrote:
> Hi,
> I have a debian sarge sharing the internet with W2K workstations
>
> The server as two nics: eth0=LAN; eth1=internet.
> It's as iptables running with a firestarter generated script
> Is running dhcp-cliente.
>
> Each worksation as a static IP and the gateway =server's IP
> The DNS server are the ones from my ISP.
>
> The problem is that the internet sharing only works for a few minutes,
> then all the network goes down,
> in the workstatios and in the server, I can't ping nothing.
>
> I done networking stop follow by networking start and everything starts
> working, until one of the workstations try to access the internet, then
> I have to restart the network.
>
> I need to solve this problem urgently, your help is very welcome.
> I post several forum but without results.
>
> Thank you in advance.
>
> regards,
>
> spiri
>
--- Manfred Sampl <msampl@gmx.net> wrote:
> Hello,
>
> I have major problems setting up a ruleset of iptables rules for DSL
> dialin.
> I'm using pptp to connect to my ISP. On the web, I have found a number
> of
> example configs... (of course I had a look at the docs :-)
>
> Thats what I have got so far, but the connection is closed a few moments
> after
> applying the rules:
>
> $IPTABLES -t filter -A INPUT -i $EXTIF -p tcp --dport 1723 -j ACCEPT
> $IPTABLES -t filter -A INPUT -i $EXTIF -p gre -j ACCEPT
> $IPTABLES -t filter -A FORWARD -i $EXTIF -o $INTIF -s $INTIP -d $INTIP
> -j
> ACCEPT
> $IPTABLES -t filter -A FORWARD -o $EXTIF -i $INTIF -s $INTIP -d $INTIP
> -j
> ACCEPT
>
> line 1+2 is more or less clear, but isn't there a OUTPUT necessary? And
> what
> are line 3+4 good vor? Do I have to set up a rule for the server IP
> 10.0.0.138?
>
> THX for any help
> Manfred
>
These two problems look the same to me and I have/had a third. Dose any
one know if these issues were resolved and if there is a problem with
Debian's or Linux's iptables? I'm thinking something in a recent update,
two weekes past, has caused this. Many other ppl may be effected but are
unaware or not using iptables.
This should be a BIG RED FLAG!!!
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