Re: UDP flood
LuKreme <kremels-/[email protected]> Thu, 6 Feb 2014 08:34:58 -0700
| Newsgroups | gmane.comp.macosx.admin |
|---|---|
| Message-ID | <[email protected]> |
On 05 Feb 2014, at 05:38 , David Herren-Lage <[email protected]> wrote: > On Feb 4, 2014, at 11:01 PM, LuKreme <kremels-/[email protected]> wrote: >> Chances are good that you are being used as a reflector/multiplier for a= UDP DDOS if the amount of traffic is really a large number, but that=92s j= ust a guess. > Any suggestions on how to determine that? And if it's so, how the heck to= I fix it? It can be hard to find the source of UDP issues. Start turning things off that you are running. The first suspect is DNS, bu= t since you aren=92t running that, check things like ntp. Do a port scan on= your own machine and see what=92s open. Drop into the Terminal and look at= the output of ps auxww | more carefully. Check /tmp and /var/tmp. See if t= here=92s a spurious /var/temp with stuff in it. Do you run a webserver? Maybe something like awstats, phpBB, webmin, or wor= dpress? Is everything updated? Also, what is =93a lot=94 of UDP packets? Are you sure what you think is a = lot is really a lot? What does the activity monitor on your system show for= network traffic? -- = If you think that Mick Jagger will still be doing the whole rock star thing at age fifty, well, then, you are sorely, sorely mistaken.