On Sun, 23 Sep 2001, Cam Bremner wrote:
> Hello,
>
> I am using the Eigerstein2Beta image to share my cable modem using
> DHCP. It's all working wonderfully, but I'm wondering how to
> configure either the firewall rules or the log thresholds, whichever
> is more appropriate for my situation. The status page is showing a
> firewall error in a big scary red box, and the logs are full of the
> following:
>
> 1) what exactly is this ?
Attempts to connect to port 80 on your external interface.
Most likely from NIMDA, and yours is among the millions of ip addresses
being pounded on these days in this fashion. It is unlikely that anyone
is singling you out.
> 2) how can I make it not freak out if this is normal ?
The webpage? someone else will have to answer that.
> 3) when the logs get big, what happens ? are the purged ? does the
> router run out of memory and die ?
There are settings that determine the log rotation schedule
(/etc/lrp.conf, I think). Most are set to rotate once per day. The
rotation shifts the logs in /var/log to .0, then to .1.gz, then .2.gz, and
finally 3.gz, and then are deleted. So you get four days of logs, but you
have to zcat|more the older ones to look at them.
If you get hit hard enough, your ramdisk may fill up. This may impair the
routing function somewhat, though the most noticeable effect will probably
be that your web page probably won't appear, and you will may not be able
to log in.
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