Fabian Linzberger wrote:
>Hi!
>
>First of all I want to thank all you guys for your efforts in LRP and
>it's spinoffs. It's really great. I made my first steps in Linux in when
>I wanted to share my cable connection with my flatmate via a dedicated
>Linux Masquerade box in the december. My first setup with Suse took 3
>weeks to get to work, I later switched to RedHat (took me 2 days) then I
>switched to debian (one long evening). Then my friends started to ask me
>about setting up firewalls for them, so I configured a EigerSteinBeta2.
>(4h first time at home). When I set it up for my friend it took us 2.5
>hours, but 2h were spent waiting for his provider to get the connection
>up again (they unfortunately oversell heavily and give a lot of
>trouble). Next step will be a VPN using IPSEC configuration which I will
>then duplicate for a couple of different friends that want to share
>their Windows-LANs ;-)
>
>
>Now my problem:
>I also managed to configure my EigerStein to use a modem dialup setting
>with demand dialling via pppd (it seems that this is not really a usual
>setting for a router ;-). However dnscache gives trouble since it
>doesn't like to start at bootup without the EXTERN_IP set (of course a
>different IP is assigned each time connection is established). I tried
>to start it later on manually setting the IPSEND to the current value.
>It just waited for a long time however (maybe wrong user). Is it really
>necessary for dnscache to know it's extern ip for querying or can I also
>set it to something like 0.0.0.0?
>
According to Jacques Nilo, who is very faminiar with dnscache you
_should_ do so. Actually he suggested doing so in the next Eigerstein
release, and it will be done if Charles' doesn't have any objections.
>
>
>Second question:
>There is a server running IMAP in my local net. I would like to
>configure it to flush out exim's mailqueue and start fetchmail each time
>the modem's link goes up (ie. ip-up is run from pppd). Is there a ssh
>client in the sshd.lrp package (I don't think so it didn't find the
>command). So I thought of this "hack". I have xinetd listening on a high
>port on the server and each time the firewall goes up it sends a SYN
>package to that port, making xinetd start a script to do the job. It
>even works when I telnet from the server. It's just that I don't know
>how to practically generate the SYN packet on the router (I don't really
>want to install telnet, for obvious reasons), but I guess you will. If
>you have another (less freaked out idea) on how to achieve the same
>thing, ideas would be welcome of course.
>
On Eigerstein2BETA there is a tiny netcat-like utility: mnc I hardly
have experience with it, but I'm pretty sure it will do the job. In the
soon-to-be-released next version this will change to nc.
>
>
>PS: If anyone is interested in my demand dialling config, feel free to
>contact me. If you have questions concerning Austria's biggest ISP
>chello,
>
Argh chello :-P Here in the Netherlands people just keep complaining
about the chello cable modem service. From insiders I keep hearing that
UPC (chello's mother-company) is one big mess.
Regards,
Ewald Wasscher
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