Provided by: ipfm_0.11.5-4.1_amd64
ipfm.conf - IP Flow Meter configuration file
ipfm.conf is ipfm(8) configuration file. A hash mark (``#'') indicates that the end of the line is a comment and it will be ignored. The configuration rules will be interpreted from the end, and the first matching rule will be used, unless specified here. IPFM uses local and global variables, so it can manage multiple logs (different time delay, different hosts, different log filename ...) at the same time. Global variables will be used for all logs and local variables will only be used in the log being defined.
NETWORK DEVICE Syntax : DEVICE <device-name> <device-name> is the device on witch ipfm will log packets. IPFM monitors only one device. Time Coordinates Syntax : [UTC|local] This decides if IPFM will use UTC or local time in its outputs (log filename and the timestamp inside the file). Default is local. Note that IPFM works internally with UTC, and that the dates entered in the config file are UTC (see AFTER Syntax). NEW LOG Syntax : NEWLOG This creates a new log entry, where you can define new local variables.
HOSTS TO LOG ipfm logs only specified hosts. Syntax: LOG [[NONE|FROM|TO|BOTH] <host>] [[NOT] WITH <host>] NONE do not log anything from or to this <host> FROM do log packets from this <host> TO do log packets to this <host> BOTH (default) do log packets from and to this <host> <host> can be : x.x.x.x : an IP. x.x.x.x/x.x.x.x : an IP followed by a subnet mask. WITH specifies if the packet is ignored (NOT WITH) or logged (WITH), in function of the second IP present in the packet. Examples : LOG 10.10.10.0/255.255.255.0 NOT WITH 10.10.10.1 will log any packets from or to hosts in subnet 10.10.10.0/255.255.255.0, except packets involving host 10.10.10.1 . LOG WITH 10.10.10.23 will log any packets in relation with host 10.10.10.23 LOG will log everything. OUTPUT TIME DELAY ipfm outputs its statistics every fixed period, with the ability to fix an exact time origin and offset, in Coordinated Universal Time (UTC). Syntax: DUMP EVERY <time> [AFTER <time>] <time> is composed of : <number> second(s) <number> minute(s) <number> hour(s) <number> day(s) Default DUMP time is 24 hours Default AFTER time is 0 seconds Examples: DUMP EVERY 30 minutes will dump the stats every 30 minutes at x:00 and x:30. DUMP EVERY 1 hour AFTER 7 minutes will dump the stats every hour, at 0:07, 1:07, 2:07, and so on, regardless of the time at which ipfm was launched. DUMP EVERY 1 day AFTER 14 hours will dump data every day, at 14:00:00 UTC (for France localtime (during the summer), at 16:00:00 +0200) CLEARING STATS You may want to clear your statistics sometimes, or after each dump. Syntax : CLEAR [ ALWAYS | NEVER | EVERY <time> [AFTER <time>] ] <time> is composed of : <number> second(s) <number> minute(s) <number> hour(s) <number> day(s) Default CLEAR mode is ALWAYS. Default AFTER time is 0 seconds. Note that both time values MUST be a multiple of the DUMP delay. Also, this line MUST come after the DUMP line. Examples CLEAR ALWAYS will clear the stats after every DUMP. CLEAR NEVER will never clear the stats, which means you are doing incremental statistics. CLEAR EVERY 30 minutes will clear the stats every 30 minutes at x:00 and x:30. Note that if your DUMP line had an AFTER value such as 3 minutes, this rule will clear the stats at x:03 and x:33. CLEAR EVERY 1 hour AFTER 10 minutes will clear the stats every hour, at 0:10, 1:10, 2:10, and so on. Note that if your DUMP line had an AFTER value such as 3 minutes, this rule will clear the stats at 0:13, 1:13, 2:13 and so on. LOG FILENAME Every delay, ipfm writes its output into a file, which name is specified by the rule FILENAME Syntax: FILENAME <filemask> <filemask> is a quoted string (eg. "/path/to/filename") that is parsed using strftime(3) syntax. Default FILENAME is /var/log/ipfm/%d-%b.%H-%M NOTE : The file will be overwritten without any check. REVERSE DNS You can activate or deactivate reverse DNS in the output file. WARNING : activating reverse DNS can delay a lot the production of the log file, due to DNS timeouts. Syntax : [RESOLVE|NORESOLVE] Default is NORESOLVE SORT OUTPUT FILE ipfm can sort output file depending on IN, OUT or TOTAL. Syntax : SORT IN|OUT|TOTAL Default is to sort nothing. Please note that this option could delay a bit the production of the log file. SET PROMISCUOUS MODE You can choose to log all packets on the network (default) or only packets which destination is your network device. This option could also be useful if you wish to set the promiscuous mode yourself (ifconfig eth0 [-]promisc), as the promisc mode is very badly handled under Linux. Please note that under Linux, if you run a program that sets the promiscuous mode (for example tcpdump), ipfm will also see its network interface set into promiscuous mode. Syntax [NO]PROMISC Default is PROMISC APPEND OR REPLACE LOG FILES You can choose to append the output to an existing logfile or to replace the old file by a new one. Syntax : APPEND|REPLACE Default is REPLACE
Robert CHERAMY <email@example.com> Andres KRAPF <firstname.lastname@example.org> Last change: 26 October 2000 IPFM.CONF(5)
The provided text is a configuration guide for the IP Flow Meter (IPFM) software, detailing various configuration options and syntax for setting up logging, time settings, and other parameters. It does not contain any mathematical questions or answers.
no_question
Given a text passage, determine:
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First, describe the content structure you found in 1-2 sentences.

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TYPE: <one of the following values>
- NO_QUESTION
- SINGLE_QUESTION
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system
Provided by: ipfm_0.11.5-4.1_amd64
ipfm.conf - IP Flow Meter configuration file
ipfm.conf is ipfm(8) configuration file. A hash mark (``#'') indicates that the end of the line is a comment and it will be ignored. The configuration rules will be interpreted from the end, and the first matching rule will be used, unless specified here. IPFM uses local and global variables, so it can manage multiple logs (different time delay, different hosts, different log filename ...) at the same time. Global variables will be used for all logs and local variables will only be used in the log being defined.
NETWORK DEVICE Syntax : DEVICE <device-name> <device-name> is the device on witch ipfm will log packets. IPFM monitors only one device. Time Coordinates Syntax : [UTC|local] This decides if IPFM will use UTC or local time in its outputs (log filename and the timestamp inside the file). Default is local. Note that IPFM works internally with UTC, and that the dates entered in the config file are UTC (see AFTER Syntax). NEW LOG Syntax : NEWLOG This creates a new log entry, where you can define new local variables.
HOSTS TO LOG ipfm logs only specified hosts. Syntax: LOG [[NONE|FROM|TO|BOTH] <host>] [[NOT] WITH <host>] NONE do not log anything from or to this <host> FROM do log packets from this <host> TO do log packets to this <host> BOTH (default) do log packets from and to this <host> <host> can be : x.x.x.x : an IP. x.x.x.x/x.x.x.x : an IP followed by a subnet mask. WITH specifies if the packet is ignored (NOT WITH) or logged (WITH), in function of the second IP present in the packet. Examples : LOG 10.10.10.0/255.255.255.0 NOT WITH 10.10.10.1 will log any packets from or to hosts in subnet 10.10.10.0/255.255.255.0, except packets involving host 10.10.10.1 . LOG WITH 10.10.10.23 will log any packets in relation with host 10.10.10.23 LOG will log everything. OUTPUT TIME DELAY ipfm outputs its statistics every fixed period, with the ability to fix an exact time origin and offset, in Coordinated Universal Time (UTC). Syntax: DUMP EVERY <time> [AFTER <time>] <time> is composed of : <number> second(s) <number> minute(s) <number> hour(s) <number> day(s) Default DUMP time is 24 hours Default AFTER time is 0 seconds Examples: DUMP EVERY 30 minutes will dump the stats every 30 minutes at x:00 and x:30. DUMP EVERY 1 hour AFTER 7 minutes will dump the stats every hour, at 0:07, 1:07, 2:07, and so on, regardless of the time at which ipfm was launched. DUMP EVERY 1 day AFTER 14 hours will dump data every day, at 14:00:00 UTC (for France localtime (during the summer), at 16:00:00 +0200) CLEARING STATS You may want to clear your statistics sometimes, or after each dump. Syntax : CLEAR [ ALWAYS | NEVER | EVERY <time> [AFTER <time>] ] <time> is composed of : <number> second(s) <number> minute(s) <number> hour(s) <number> day(s) Default CLEAR mode is ALWAYS. Default AFTER time is 0 seconds. Note that both time values MUST be a multiple of the DUMP delay. Also, this line MUST come after the DUMP line. Examples CLEAR ALWAYS will clear the stats after every DUMP. CLEAR NEVER will never clear the stats, which means you are doing incremental statistics. CLEAR EVERY 30 minutes will clear the stats every 30 minutes at x:00 and x:30. Note that if your DUMP line had an AFTER value such as 3 minutes, this rule will clear the stats at x:03 and x:33. CLEAR EVERY 1 hour AFTER 10 minutes will clear the stats every hour, at 0:10, 1:10, 2:10, and so on. Note that if your DUMP line had an AFTER value such as 3 minutes, this rule will clear the stats at 0:13, 1:13, 2:13 and so on. LOG FILENAME Every delay, ipfm writes its output into a file, which name is specified by the rule FILENAME Syntax: FILENAME <filemask> <filemask> is a quoted string (eg. "/path/to/filename") that is parsed using strftime(3) syntax. Default FILENAME is /var/log/ipfm/%d-%b.%H-%M NOTE : The file will be overwritten without any check. REVERSE DNS You can activate or deactivate reverse DNS in the output file. WARNING : activating reverse DNS can delay a lot the production of the log file, due to DNS timeouts. Syntax : [RESOLVE|NORESOLVE] Default is NORESOLVE SORT OUTPUT FILE ipfm can sort output file depending on IN, OUT or TOTAL. Syntax : SORT IN|OUT|TOTAL Default is to sort nothing. Please note that this option could delay a bit the production of the log file. SET PROMISCUOUS MODE You can choose to log all packets on the network (default) or only packets which destination is your network device. This option could also be useful if you wish to set the promiscuous mode yourself (ifconfig eth0 [-]promisc), as the promisc mode is very badly handled under Linux. Please note that under Linux, if you run a program that sets the promiscuous mode (for example tcpdump), ipfm will also see its network interface set into promiscuous mode. Syntax [NO]PROMISC Default is PROMISC APPEND OR REPLACE LOG FILES You can choose to append the output to an existing logfile or to replace the old file by a new one. Syntax : APPEND|REPLACE Default is REPLACE
Robert CHERAMY <email@example.com> Andres KRAPF <firstname.lastname@example.org> Last change: 26 October 2000 IPFM.CONF(5)
user
The provided text is a configuration guide for the IP Flow Meter (IPFM) software, detailing various configuration options and syntax for setting up logging, time settings, and other parameters. It does not contain any mathematical questions or answers.

TYPE: NO_QUESTION