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Diffstat (limited to 'sbin/ipf/ipf.1')
-rw-r--r-- | sbin/ipf/ipf.1 | 103 |
1 files changed, 70 insertions, 33 deletions
diff --git a/sbin/ipf/ipf.1 b/sbin/ipf/ipf.1 index 642d129b1c6..912d7ef475d 100644 --- a/sbin/ipf/ipf.1 +++ b/sbin/ipf/ipf.1 @@ -1,64 +1,101 @@ .TH IPF 1 .SH NAME -ipf - alters packet filtering lists for IP packet input and ouput +ipf \- alters packet filtering lists for IP packet input and ouput .SH SYNOPSIS -ipf [-AEDIsnovdrzZ] [-l <block|pass|nomatch>] [-F <i|o|a>] --f <\fIfilename\fP> [ -f <\fIfilename\fP> [...]] +.B ipf +[ +.B \-AdDEInorsUvyzZ +] [ +.B \-l +<block|pass|nomatch> +] [ +.B \-F +<i|o|a> +] +.B \-f +<\fIfilename\fP> +[ +.B \-f +<\fIfilename\fP> +[...]] .SH DESCRIPTION .PP -\fBipf\fP opens the filenames listed (treating "-" as stdin) and parses the +\fBipf\fP opens the filenames listed (treating "\-" as stdin) and parses the file for a set of rules which are to be added or removed from the packet filter rule set. .PP Each rule processed by \fBipf\fP -is added to the kernels internal lists if there are no parsing problems. +is added to the kernel's internal lists if there are no parsing problems. Rules are added to the end of the internal lists, matching the order in which they appear when given to \fBipf\fP. .SH OPTIONS -.IP -A -set the list to make changes to the active list (default). -.IP -E -Enable the filter (if disabled). Not effective for loadable kernel versions. -.IP -D +.TP +.B \-A +Set the list to make changes to the active list (default). +.TP +.B \-d +Turn debug mode on. Causes a hexdump of filter rules to be generated as +it processes each one. +.TP +.B \-D Disable the filter (if enabled). Not effective for loadable kernel versions. -.IP -F -this option specifies which filter list to flush. The parameter should +.TP +.B \-E +Enable the filter (if disabled). Not effective for loadable kernel versions. +.TP +.BR \-F \0<param> +This option specifies which filter list to flush. The parameter should either be "i" (input), "o" (output) or "a" (remove all filter rules). Either a single letter or an entire word starting with the appropriate letter maybe used. This option maybe before, or after, any other with the order on the command line being that used to execute options. -.IP -d -turn debug mode on. Causes a hexdump of filter rules to be generated as -it processes each one. -.IP -f -this option specifies which files -\fBipf\fP should use to get input from for modifying the pack filter rule +.TP +.BR \-f \0<filename> +This option specifies which files +\fBipf\fP should use to get input from for modifying the packet filter rule lists. -.IP -I -set the list to make changes to the inactive list. -.IP -l +.TP +.B \-I +Set the list to make changes to the inactive list. +.TP +.B \-l \0<param> Use of the \fB-l\fP flag toggles default logging of packets. Valid arguments to this option are \fBpass\fP, \fBblock\fP and \fBnomatch\fP. When an option is set, any packet which exits filtering and matches the set category is logged. This is most useful for causing all packets which don't match any of the loaded rules to be logged. -.IP -n +.TP +.B \-n This flag (no-change) prevents \fBipf\fP from actually making any ioctl calls or doing anything which would alter the currently running kernel. -.IP -o +.TP +.B \-o Force rules by default to be added/deleted to/from the output list, rather than the (default) input list. -.IP -s -swap the active filter list in use to be the "other" one. -.IP -r -remove matching filter rules rather than add them to the internal lists -.IP -v -turn verbose mode on. Displays information relating to rule processing. -.IP -z -for each rule in the input file, reset the statistics for it to zero and +.TP +.B \-r +Remove matching filter rules rather than add them to the internal lists +.TP +.B \-s +Swap the active filter list in use to be the "other" one. +.TP +.B \-U +(SOLARIS 2 ONLY) Block packets travelling along the data stream which aren't +recognised as IP packets. They will be printed out on the console. +.TP +.B \-v +Turn verbose mode on. Displays information relating to rule processing. +.TP +.B \-y +(SOLARIS 2 ONLY) Manually resync the in-kernel interface list maintained +by IP Filter with the current interface status list. +.TP +.B \-z +For each rule in the input file, reset the statistics for it to zero and display the statistics prior to them being zero'd. -.IP -Z -zero global statistics held in the kernel for filtering only (this doesn't +.TP +.B \-Z +Zero global statistics held in the kernel for filtering only (this doesn't affect fragment or state statistics). .DT .SH SEE ALSO |