... activity. What should we do with Botnets when we find them on our networks? Clearly, blocking inbound and outboundtraffic relating to a botnet is the first reaction. Pre-emptive and pro-active measures are also essential in my opinion...
http://www.computerweekly.com/blogs/stuart_king/2007/10/botnets.html
...having to disassemble and reassemble packets. Outboundtraffic poses its own threats. As with email, employees...technology to block transmission of inappropriate outboundtraffic, and have it forwarded to appropriate management...
http://www.technewsworld.com/rsstory/68006.html
...additional per-instance filters with host-based firewalls such as IPtables. This can restrict both inbound and outboundtraffic on each instance. The level of security afforded by the firewall is a function of which ports are opened by the...
http://s3.amazonaws.com/aws_blog/AWS_Security_Whitepaper_2008_09.pdf