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    en:li_settings [2015/05/12 09:45] – external edit 127.0.0.1en:li_settings [Unknown date] (current) – removed - external edit (Unknown date) 127.0.0.1
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    -The system allows to record the traffic for selected protocols in PCAP format. It can save metadata of HTTP requests in log files. 
      
    -To record the data in PCAP format: please use the following parameters in configuration file /etc/dpi/fastdpi.conf: 
    -<code> 
    -ajb_save_udpi=1 
    -ajb_save_udpi_proto=OSPFIGP:ospf-lite 
    -ajb_udpi_path=/var/dump/dpi 
    -ajb_save_ip=192.168.0.0/24 
    -</code> 
    -Here: 
    -ajb_save_udpi=1 - activate the traffic recording for a list of protocols\\ 
    -ajb_udpi_path=/var/dump/dpi - is a directory to place log files (/var/dump/dpi by default)\\ 
    -ajb_save_udpi_proto=OSPFIGP:ospf-lite - is a list of protocols to record [[port_proto|as test or numerical identificators]], . This is a hot parameter. It can be changed on the run by instruction **service fastdpi reload**\\  
    -ajb_save_ip=192.168.0.0/24 - activate the traffic recording by IP or CIDR (0.0.0.0/0 - to record all the traffic) 
    - 
    -To record HTTP requests' metadata: please use the following parameters in configuration file /etc/dpi/fastdpi.conf: 
    -<code> 
    -ajb_save_url=-1 
    -ajb_save_url_format=ts:prg:login:ipsrc:ipdst:host:path:ref:uagent:cookie 
    -ajb_url_path=/var/dump/dpi 
    -</code> 
    -Here:\\ 
    -ajb_save_url=-1 - activate recording of HTTP metadata\\ 
    -ajb_url_path=/var/dump/dpi - is the directory to place files with these records (/var/dump/dpi by default)\\ 
    -ajb_save_url_format=ts:prg:login:ipsrc:ipdst:host:path:ref:uagent:cookie - is the list of metadata to record: 
    -<code>  
    -ts - is a time stamp 
    -prg - is: id of the active services at the moment of request 
    -login - subscriber's login 
    -ipsrc - subscriber's IP address 
    -ipdst - host IP address (that of the request's addressee) 
    -host - the host name (Host field) 
    -path - the path to the requested resource (URI) 
    -ref - from where (Referer field) 
    -uagent - browser's type (User-Agent field) 
    -cookie - Cookie 
    -</code> 
    - 
    -If you set the configuration parameter 
    -<code> 
    -ajb_reserved=1 
    -</code> 
    -the memory for a buffer is allocated in advance (on DPI start) and you can start and stop data recording on the run. You only need to change parameters ajb_save_url, ajb_save_udpi and ajb_save_ip.