9 Mar
2000
9 Mar
'00
5:58 p.m.
In article <v0422080ab4ed9bb6c397@[216.240.40.194]>, "Erik E. Fair" <fair@clock.org> wrote:
Precis: they (developers, users) can modify the application to use spread-spectrum style port numbers that constantly change throughout the life of a session, which makes it effectively impossible to filter using existing technology.
Filtering such traffic is within the state of the art -- proxy firewalls are not new. But agreed that your Cisco routers cannot stop it. -- Shields.