1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
<!DOCTYPE refentry PUBLIC "-//Davenport//DTD DocBook V3.0//EN">
<refentry>
<refmeta>
<refentrytitle>
<application>flow-mask</application>
</refentrytitle>
<manvolnum>1</manvolnum>
</refmeta>
<refnamediv>
<refname>
<application>flow-mask</application>
</refname>
<refpurpose>
Apply tags to flow files.
</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>flow-mask</command>
<arg>-hk</arg>
<arg>-b<replaceable> big</replaceable>|<replaceable>little</replaceable></arg>
<arg>-C<replaceable> comment</replaceable></arg>
<arg>-d<replaceable> debug_level</replaceable></arg>
<arg>-m<replaceable> mask_fname</replaceable></arg>
<arg rep="repeat">-M<replaceable> active_def</replaceable></arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>DESCRIPTION</title>
<para>
The <command>flow-mask</command> utility is used to modify the
source and destination mask length's in flow records.
</para>
</refsect1>
<refsect1>
<title>OPTIONS</title>
<variablelist>
<varlistentry>
<term>-b<replaceable> big</replaceable>|<replaceable>little</replaceable</term>
<listitem>
<para>
Byte order of output.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-C<replaceable> Comment</replaceable></term>
<listitem>
<para>
Add a comment.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-d<replaceable> debug_level</replaceable></term>
<listitem>
<para>
Enable debugging.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-h</term>
<listitem>
<para>
Display help.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-k</term>
<listitem>
<para>
Keep time from input.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-m<replaceable> mask_fname</replaceable></term>
<listitem>
<para>
Load masks from <filename>mask_name</filename>. Defaults to
<filename>@localstatedir@/cfg/mask</filename>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>-M<replaceable> mask_def</replaceable></term>
<listitem>
<para>
Use <replaceable>active_def</replaceable> as the active tag definition(s).
</para>
</listitem>
</varlistentry>
</variablelist>
<para>
</para>
<para>
The configuration file is a collection of definitions. A definition
lists a sequence of prefixes and the mask length to replace the matching
prefix with.
Lines begining with # are treated as comments and ignored.
</para>
<para>
<screen>
mask-definition command Description
----------------------------------------------------------------------
mask-definition Begin mask-definition section
mask-definition foo
prefix List the prefix to match on and the
replacement mask.
prefix 128.146/16 24
</screen>
</para>
</refsect1>
<refsect1>
<title>EXAMPLES</title>
<informalexample>
<programlisting>
#
#file: masks
#
mask-definition foo
# All networks in 128.146/16 are /24's.
prefix 128.146/16 24
# except for 128.146.214/24, which are /32's.
prefix 128.146.214/24 32
</programlisting>
<para>
<command>flow-cat <filename>flows</filename> | flow-mask -mfoo -Fmasks | flow-print -f4</command>
</para>
</informalexample>
</refsect1>
<refsect1>
<title>FILES</title>
<para>
Configuration files:
Mask - <filename>@localstatedir@/cfg/mask.cfg</filename>.
</para>
</refsect1>
<refsect1>
<title>BUGS</title>
<para>
None known.
</para>
</refsect1>
<refsect1>
<title>AUTHOR</title>
<para>
<author>
<firstname>Mark</firstname>
<surname>Fullmer</surname>
</author>
<email>maf@splintered.net</email>
</para>
</refsect1>
<refsect1>
<title>SEE ALSO</title>
<para>
<application>flow-tools</application>(1)
</para>
</refsect1>
</refentry>
|
