Re: Dropping syn+fin replies, but not really?

2008-11-24 Thread Jan Stary
On Nov 23 17:03:15, Eirik ?verby wrote: I have a FreeBSD based firewall (pfsense) and, behind it, a few dozen FreeBSD servers. Now we're required to run external security scans (nessus++) on some of the hosts, and they constantly come back with a high or medium severity problem: The host

Re: machine hangs on occasion - correlated with ssh break-in attempts

2008-08-21 Thread Jan Stary
Should you want to continue with your own tool, at least for IPv4, consider using tables rather than a raft of rules. With tables, you need only a single rule and it is there at boot time. Also, you might want to consider switching to pf which this functionality built-in. Jan