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249 views

Protection against scrapping with nginx

This morning we had a crawler going nuts on our server hitting our site almost 100 times per second. We'd like to add a protection for this. I guess I'' have to use HttpLimitReqModule but I don't ...
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1answer
122 views

Stange stream of HTTP GET requests in apache logs, from amazon ec2 instances

I just had a look at my apache logs, and I see a lot of very similar requests: GET / HTTP/1.1 User-Agent: curl/7.24.0 (i386-redhat-linux-gnu) libcurl/7.24.0 \ NSS/3.13.5.0 zlib/1.2.5 libidn/1.18 ...
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1answer
120 views

How shared hosted web servers deal with spam (flood) attacks?

I want to know how shared webhosting or other types of it deal with Spam issues. Example: stop serving the website for a period of time, and how much is it? ...
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0answers
65 views

Network flooded with LLC packet

Recently my network has been slow. From Tcpdump i found lot of frame with protocol LLC. A complete packet capture can been here tcpdump result Any hints on interpreting these packet?
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0answers
79 views

GET /wpad.dat entries flooding my access_log

I have a small LAN of some 30 users in it with proxy auto configuration enabled and working. Two of them are requesting wpad.dat file too rapidly at a pace of 30 times per second. 10.1.14.246 - - ...
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40 views

Floodlight :too many hosts displayed

I have 2 openvswitch switches to whom are attached 2 devices per switch leading to 4 overall devices. However, when I start floodlight web ui and go to "topology" section it displays me a lot of ...