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73 lines
2.1 KiB
INI
73 lines
2.1 KiB
INI
# This configuration is an example of how to use connection tarpitting based
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# on invalid requests.
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global
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daemon
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log 127.0.0.1 local0
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listen frontend 0.0.0.0:80
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mode http
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option httplog
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log global
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maxconn 10000
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# do not log requests with no data
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option dontlognull
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# log as soon as the server starts to respond, an do not wait for the
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# end of the data transfer.
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option logasap
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# disable keep-alive
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option httpclose
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# load balancing mode set to round-robin
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balance roundrobin
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# the maxconn 150 below means 150 connections maximum will be used
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# on apache, the remaining ones will be queued.
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server apache1 127.0.0.1:80 maxconn 150
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# use short timeouts for client and server
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clitimeout 20000
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srvtimeout 20000
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# the connect timeout should be large because it will also be used
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# to define the queue timeout and the tarpit timeout. It generally
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# is a good idea to set it to the same value as both above, and it
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# will improve performance when dealing with thousands of connections.
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contimeout 20000
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# retry only once when a valid connection fails because the server
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# is overloaded.
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retries 1
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# You might want to enable this option if the attacks start
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# targetting valid URLs.
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# option abortonclose
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# not needed anymore.
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#capture request header X-Forwarded-For len 15
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# and add a new 'X-Forwarded-For: IP'
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option forwardfor
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# how to access the status reporting web interface
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stats uri /stat
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stats auth stat:stat
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# Request header and URI processing begins here.
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# rename the 'X-Forwarded-For:' header as 'X-Forwarded-For2:'
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reqirep ^(X-Forwarded-For:)(.*) X-Forwarded-For2:\2
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#### Now check the URI for requests we want to tarpit ###
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# We do not analyze headers, we just focus on the request
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reqpass ^[^:\ ]*:
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# Tarpit those URIs for any method
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reqtarpit ^[^:\ ]*\ /invalid_req1
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reqtarpit ^[^:\ ]*\ /cgi-bin/.*\.pl\?
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reqitarpit ^[^:\ ]*\ /.*\.(dll|exe|asp)
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