Re: IPFW logging and dynamic rules

2005-10-06 Thread Bob Johnson
On 10/5/05, Alex de Kruijff [EMAIL PROTECTED] wrote: On Thu, Sep 29, 2005 at 11:45:42AM -0400, Bob Johnson wrote: In FreeBSD 5.4R, I tried an IPFW configuration that includes something like this (plus a lot of other rules): check-state deny tcp from any to any established

Re: IPFW logging and dynamic rules

2005-10-06 Thread Bob Johnson
On 10/5/05, jmulkerin [EMAIL PROTECTED] wrote: How about using snort and guardian.Guardian.pl will add a ipfw rule each time it sees an alert from Snort. You'll need to adjust the snort rules for what you want to alert on but its a pretty safe and lightweight asset. (just my novice 2

Re: IPFW logging and dynamic rules

2005-10-05 Thread Alex de Kruijff
On Thu, Sep 29, 2005 at 11:45:42AM -0400, Bob Johnson wrote: In FreeBSD 5.4R, I tried an IPFW configuration that includes something like this (plus a lot of other rules): check-state deny tcp from any to any established allow log tcp from any to ${my-ip} dst-port 22 setup limit

Re: IPFW logging and dynamic rules

2005-10-05 Thread jmulkerin
How about using snort and guardian.Guardian.pl will add a ipfw rule each time it sees an alert from Snort. You'll need to adjust the snort rules for what you want to alert on but its a pretty safe and lightweight asset. (just my novice 2 cents...) John Alex de Kruijff wrote: On Thu,

IPFW logging and dynamic rules

2005-09-29 Thread Bob Johnson
In FreeBSD 5.4R, I tried an IPFW configuration that includes something like this (plus a lot of other rules): check-state deny tcp from any to any established allow log tcp from any to ${my-ip} dst-port 22 setup limit src-addr 3 + other rules that use keep-state When I do this, _every_