>>> > I was wondering if there is any known issues in Bering (V1.1) and/or the >>> > Shorewall that came with (1.3.?) that might cause it to temporarily stop >>> > forwarding a port... > >> >> Not that I am aware of.
)-;
> Insufficient memory can cause packets to be dropped. I started out (long > before Bering) with an 8MB 486 with a ppp dialup, and it used to stop > responding to console input occasionally as well as not accepting new > connections, and would unfreeze after awhile. I correlated the freezes
I have a Pentium 133 with 40 megs of memory... The ram disks are at their default size (not sure what it it) and he packages are loaded off a write-protected SCSI hard drive.
> with heavy traffic. (I also recommend at least 16MB now.) Some gaming > applications create many udp connections that exacerbate the memory > problems by filling memory up with connection tracking data even when you > think you have enough.
I could still access the other server so I'm not quite sure what the problem was...
Maybe it was some sort of hardware failure but there was something which looked kinda weird in that server log... It would appear that for some reason sshd had tried to restart itself but for some reason could bind itself to the interface correctly...
That made me suspect that the machine could have been "owned" but it's not generally accessible to the Internet, the thing has a very strict ACL on the ports that are forwarded to it...
> Also note that tmpfs and kernel buffer memory may be in competition for > the same RAM in small memory configurations.
I hope that with 40 megs that can't really happen...
> On an unrelated but similar topic, coming from the inside now with > Bering, dnscache performs poorly when the upstream pipe is clogged, > leading to "host not found" errors when surfing the web. If I wait long > enough before refreshing the browser, dnscache will eventually complete > the lookup, and the browser will (slowly) get the web page. In this case > memory is okay but available bandwidth is low leading to timeouts.
I wish I could help you here but I run Bind/named... )-;
Thanks!
Nick
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