> I have tried to use Drawbridge (from Texas A&M University) as a packet
> filter for my network, but, I have just had headackes with it...
> Could some one please suggest me a good IP packet filter that would run on
> a PC with DOS or a PC with Linux ?
Linux has 'firewalling' (i.e. packet filtering) code within the kernel.
You need to include it as a configuration option when building a new
Is it good? I would say adequate. There are some deficiencies and
commercial products are obviously much better, but it can (and does)
fit into many (usually small) environments that only need
packet filtering capabilities.