Date: Wed, 08 Jun 2005 13:28:47 +1000 From: Vini <vini@fugspbr.org> To: ipfw@freebsd.org Subject: Natd grows, takes too much memory and stops working. Message-ID: <42A665EF.3050501@fugspbr.org>
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Hi guys, I am just writing to describe and interesting issue that I have had with natd. I have a FreeBSD 4.9-Stable doing firewalling and nat for my network (about 250 clients, 1.5Mbps), it has run fine for a long time but since a while ago natd has behaved strangely. For example if I start up the natd process now it will work fine for about 5 to 7 days. However, it seems not to be freeing the memory that it takes, consequently growing indefinitely until it takes the whole memory and stops working. It is really interesting when it stops working because there seems not to be any activity on none of the network interfaces, what makes the possibilities of the problem being caused by attack to be dramatically reduced. In the meantime while I don't have a definitive solution for the problem, I have been restarting the natd process once or twice a week. It is far to be the solution but at least prevents my network from stop working. Has any of you had any similar issue with natd before? Regards, Vini
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