Re: Source-address spoofing

[mjr @ tis . com]

>Network Systems routers allow you to test for the presence of any IP option,
>and to allow or disallow the packet.  There's also audit capability (sort
>of like syslog).

	Do you support filtering on input, or is the filtering
output based?

I.e., I want to tell my router:
	"block any traffic coming in to network A or B through the T1
interface, if it claims to have originated from network A or B."

mjr.