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IIS slow attach limits

Posted on 2014-03-03
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Last Modified: 2014-03-07
I have read this:  http://www.iis.net/configreference/system.applicationhost/sites/sitedefaults/limits

What are the limits that are recommended to avoid slow attacks for:

1) connectionTimeout
2) maxBandwidth
3) maxConnections
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Question by:amucinobluedot
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pateljitu earned 500 total points
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You can be a better judge for these default values, reason I am saying this is you would need to monitor your network and calculate average bandwidth, no of connection utilized based on flow of traffic.

For e.g.
10000 request / second [maxConnections] + 100 KB transfer / request = 0.95 GB / sec [maxBandwidth]
(Now this is just an example, if you have average website with static page your bandwidth / page will be 2 - 20KB / request or even smaller than that)

Again these are suggestive values which you will have to make sure on your side based on your website traffic flow.


On DoS topic you can also setup "Dynamic IP Restrictions Extension" which can also help to block Denial of Service Attacks.

http://www.iis.net/downloads/microsoft/dynamic-ip-restrictions
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by:amucinobluedot
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Thank you .
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