Re: Payload inspection

2003-08-05 Thread Damien Miller
Adam Coyne wrote: Alexey E. Suslikov wrote: I'd like to pass or block certain packets based on an inspection of the payload after scrubbing. snort is your friend. check out http://www.snort.org/ As far as I have seen, snort's native blocking ability is limited to adding firewall rules, and snor

Re: Payload inspection

2003-08-04 Thread Trevor Talbot
On Friday, Aug 1, 2003, at 13:59 US/Pacific, Adam Coyne wrote: I'd like to pass or block certain packets based on an inspection of the payload after scrubbing. It might be fun if pf were able to use a bpf-style expression like 'protocol[offset:size] = x' to create rules which look at the data i

Re: Payload inspection

2003-08-04 Thread Adam Coyne
Alexey E. Suslikov wrote: I'd like to pass or block certain packets based on an inspection of the payload after scrubbing. snort is your friend. check out http://www.snort.org/ As far as I have seen, snort's native blocking ability is limited to adding firewall rules, and snort-inline, while it a

Payload inspection

2003-08-02 Thread Alexey E. Suslikov
> I'd like to pass or block certain packets based on an inspection > of the payload after scrubbing. It might be fun if pf were able to > use a bpf-style expression like 'protocol[offset:size] = x' to > create rules which look at the data in the packet, but it seems more > practical to do it in a s

Payload inspection

2003-08-01 Thread Adam Coyne
I'd like to pass or block certain packets based on an inspection of the payload after scrubbing. It might be fun if pf were able to use a bpf-style expression like 'protocol[offset:size] = x' to create rules which look at the data in the packet, but it seems more practical to do it in a separat