Open relays and open proxies

Fri Apr 25 16:42:29 UTC 2003

> Amazingly, even though I am posting in this thread... it is *not* about 
> spam.
> Don't be fooled by the mention of open relays.  Open proxies are abused for 
> many purposes, of which spam is a minor one.  I've seen open proxies in 
> recent DoS source addresses for example.

It's the spam that cought my attention. QoS usually only becomes an issue 
when a single host produces massive amounts of traffic. Because of the way 
our network works I rarely get to know what is actually causing the 
problem, I just ACL the affected ip until the problem has been resolved.

Adi