On Thu, 2005-01-13 at 17:59, Jeff Spaleta wrote: [snip] > Other post(s) have implied there is a cpu hit during non-attacked > situations, but if thre isn't then there isnt a concern here. I suposse you speak about my post :) I'm not a kernel hacker, but I suposse there's a cpu hit when I read in the kernel docs: "(tcpsyncookies) can result in serious degradation of some services (f.e. SMTP relaying)". Cheers. -- Iago Rubio