Is anyone actually USING IP QoS?

Vadim Antonov avg at
Wed Jun 16 17:31:03 UTC 1999

Brett_Watson at wrote:

>i'll give you that.  however, caches tend to run under unix-like os's which
>are multi-user and multi-service machines.  they can be susceptible to DoS
>attacks, and can be running services listening on a port which can
>potentially be "hacked".  my only point is that you are trading a set of
>security issues in multicast for *different* security issues with a cache.

A Unix machine can be secured a lot better than any commercial router.

For one, you can get a source code from it and see what the hell it is
doing and fix discovered security holes ASAP.

Second, just run SSH or Kerberos.  SSH on cisco, anyone?  Nyah.


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