DoS : Sorry for the Downtime, We're Suffering from a DOS Attack!

Posted on Fri Jan 23, 10:55 by DDoS
Home Page:
Just use a GOOD firewall and keep up updated it. You'll never have this problem again, simple like that!

Posted on Fri Jan 23, 10:57 by Daimaou, Survivor, Tokyo - Japan
Home Page: http://www.akihabaranews.com
Well this is not has simple as that, we have quite a good Admin, really good, but it seems that even with our firewall we are still victim to some nasty attack.

Posted on Fri Jan 23, 02:25 by MM
Home Page:
To overcome large sophisticated DoS attacks requires reactive programmers, an absorber server grid, and a skilled coordinator. A measly firewall will not protect you from much at all.

Posted on Fri Jan 23, 10:00 by Donut, Student, Sweden
Home Page: http://www.aicore.se
I really don't think it is competitors or angry vendors that are causing the mischief. It's probably just some kids that got some beef with ya for a reason nobody knows probably. You'll have to wait 3 or 4 years til those kiddies can get a job.

Posted on Sat Jan 24, 01:31 by ketyung, CTO
Home Page: http://www.techchee.com
Is Akihabaranews' server located in a hosting company ? Most hosting companies shall have good firewall to protect from DOS attack

Posted on Sat Jan 24, 03:22 by speculatrix, Senior Systems Engineer, Cambridge, England
Home Page: http://www.zaurus.org.uk
DoS comes in many forms, and whilst a firewall can prevent (say) a SYN flood and/or block networks completely, a simple DoS which saturates your internet connection cannot be stopped without either buying lots more bandwidth or getting your upstream to filter IPs or rate-limit. Not many ISPs are able to do this effectively.

Another technique is to have multiple circuits, multi-home your public servers and use DNS to spread the load. However, a coordinated DoS will kill that too. So you need mirrored sites too. And this all gets expensive.

The best way is to find the people committing the DoS and LART them.

Posted on Sat Jan 24, 10:09 by DDoS
Home Page:
If you think firewall cannot do nothing, then you don't know nothing about firewalls. I'm not talking about those crappy software-based firewalls, I'm talking on REAL firewalls.

Like www.sonicwall.com

But if you want to go cheap, you can build one with Linux and using www.smoothwall.org

Posted on Mon Jan 26, 11:32 by noobee, Student, Tokyo
Home Page: http://japaneseclass.jp
DoS sucks
i got that once too from Korean IP address
suddenly there were lots of Korean IP addresses accessing my site..
and it became slow