0
votes
1answer
31 views

My site is inaccessible from different locations on-and-off. What's happening?

On-and-off for the last few days, my sites (www.)aderet.org and to a lesser extent (www.)saveadullam.org have been down from (two different networks in) Israel. Over a period of minutes or seconds, ...
1
vote
1answer
321 views

Protecting Apache and Nginx against slow read/write and similar attacks?

There are many articles explaining many ways to attack webservers (generic or specific) and even listing general rules for mitigating such attacks, e.g.: Do not accept connections with abnormally ...
5
votes
2answers
141 views

DDoS attack case study - Korean election watchdog's site [closed]

Is it possible to break only some of a web site services using DDoS? For example, disabling only the search feature of a specific website. I raise this question following a controversy in South ...
0
votes
1answer
172 views

My website keeps being hit by iPhones…am I being DDOSed?

66.65.71.240 - - [05/Aug/2011:21:56:09 -0700] "GET /api/account_verify?accesstoken=k198nrtc7flswo6qhimuv5pd0 HTTP/1.1" 500 2334 "-" "Geolo 1.0 rv:18 (iPhone; iPhone OS 4.3; en_US)" "at:-" "dt:-" ...
2
votes
3answers
309 views

How do you deal with malicious IP's?

I'm trying to figure out how to protect my server against what it seems to be a botnet (I'm just guessing) Everyday, more and more IP's fill my application logs with invalid request (eg: GET requests ...
0
votes
1answer
146 views

Single IP attack or other issue?

Description of incident: I notice in my MRTG panel that httpd processes have climbed to 800 ( our maximum ), but all other parameters are normal ( cpu, memory, traffic ) I immediately ran a nestat ...
0
votes
1answer
230 views

DDOS Mitigation Services

Over the past week we have been a victim of two seperate ddos attacks varying in scale. The last one was very large and very hard to mitigate. We are looking at solutions from veriSign and Akamai ...
1
vote
4answers
539 views

Distributed web server to stop DDos attacks?

I have been thinking about a way to hinder DDos (Distributed Denial of Service) attacks (which seems to be a hot topic at the moment) by placing a signed Java Applet on the web site. This Java Applet ...
6
votes
5answers
1k views

DDoS Protection Services - are they good enough?

first of all, I understand that it's better to have DDoS protections on data center level. But our DC is not ready to provide good quality of protection. So we thinking about using some external DDoS ...
2
votes
4answers
2k views

How to protect Lighttpd from DOS attacks and flooding?

I have a problem with Lighttpd because someone started to use some Web downloader from very good connection and it blocked my whole website. Is there any way to protect Lighttpd from DDOS attacks and ...