81 lines
3.6 KiB
Text
81 lines
3.6 KiB
Text
|
--- grepcidr.1.orig Tue Jan 24 18:23:40 2023
|
||
|
|
+++ grepcidr.1 Tue Jan 24 18:24:33 2023
|
||
|
|
@@ -1,16 +1,16 @@
|
||
|
|
-.TH "GREPCIDR" "1"
|
||
|
|
+.TH "GREPCIDR3" "1"
|
||
|
|
.SH "NAME"
|
||
|
|
-grepcidr \(em Filter IP addresses matching IPv4 and IPv6 address specifications
|
||
|
|
+grepcidr3 \(em Filter IP addresses matching IPv4 and IPv6 address specifications
|
||
|
|
.SH "SYNOPSIS"
|
||
|
|
.PP
|
||
|
|
-\fBgrepcidr\fR [\fB-V\fP] [\fB-cCDvahisq\fP] \fIPATTERN\fP [\fIFILE ...\fP]
|
||
|
|
+\fBgrepcidr3\fR [\fB-V\fP] [\fB-cCDvahisq\fP] \fIPATTERN\fP [\fIFILE ...\fP]
|
||
|
|
.PP
|
||
|
|
-\fBgrepcidr\fR [\fB-V\fP] [\fB-cCDvahisq\fP] [\fB-e \fIPATTERN\fR\fP | \fB-f \fIFILE\fP] [\fIFILE ...\fP]
|
||
|
|
+\fBgrepcidr3\fR [\fB-V\fP] [\fB-cCDvahisq\fP] [\fB-e \fIPATTERN\fR\fP | \fB-f \fIFILE\fP] [\fIFILE ...\fP]
|
||
|
|
.SH "DESCRIPTION"
|
||
|
|
.PP
|
||
|
|
-\fBgrepcidr\fR can be used to filter a list of IP addresses and ranges against one or more
|
||
|
|
+\fBgrepcidr3\fR can be used to filter a list of IP addresses and ranges against one or more
|
||
|
|
IPv4 and IPv6 address ranges. As with grep, there are options to invert
|
||
|
|
-matching and load patterns from a file. grepcidr is designed to scale well,
|
||
|
|
+matching and load patterns from a file. grepcidr3 is designed to scale well,
|
||
|
|
and handle large numbers of patterns and large input files efficiently.
|
||
|
|
This version uses a completely rewritten parser that is typically two or three times
|
||
|
|
faster than previous versions.
|
||
|
|
@@ -67,7 +67,7 @@
|
||
|
|
Complaints about misaligned CIDRs can be suppressed with \fB-s\fP.
|
||
|
|
.SH COMPATIBILITY
|
||
|
|
.PP
|
||
|
|
-In version 2.9 \fBgrepcidr\fR normally searches for IP addresses anywhere
|
||
|
|
+In version 2.9 \fBgrepcidr3\fR normally searches for IP addresses anywhere
|
||
|
|
on the input line.
|
||
|
|
It uses a reasonable but ad-hoc parser to look for the beginning of an address.
|
||
|
|
This can cause unexpected results in some cases, e.g. ab:c12.34.56.78 will not
|
||
|
|
@@ -76,11 +76,11 @@
|
||
|
|
Addresses written as IPv6 embedded IPv4 addresses will match either the IPv4
|
||
|
|
or IPv6 address pattern, e.g. ::ffff:12.34.56.78 will match both ::ffff:0/96 and 12.34.0.0/16.
|
||
|
|
.PP
|
||
|
|
-Even though :: is a valid way to write a zero IPv6 address, grepcidr won't match it.
|
||
|
|
+Even though :: is a valid way to write a zero IPv6 address, grepcidr3 won't match it.
|
||
|
|
(If that's what you want, use regular grep.)
|
||
|
|
It will match 0:: or ::0.0.0.0 or 0::0 or or any other form.
|
||
|
|
.PP
|
||
|
|
-Normally grepcidr will match every string that looks like
|
||
|
|
+Normally grepcidr3 will match every string that looks like
|
||
|
|
an IPv4 address, so in 1.2.3.4.5.6.7.8 it will match
|
||
|
|
both 1.2.3.4 and 5.6.7.8.
|
||
|
|
The \fB-q\fP option ignores addresses preceded or followed by a dot,
|
||
|
|
@@ -97,25 +97,25 @@
|
||
|
|
is preceded by the file name unless the \fR-h\fP flag is set.
|
||
|
|
.SH "EXAMPLES"
|
||
|
|
.PP
|
||
|
|
-\fI\fBgrepcidr\fR \-f ournetworks blocklist > abuse.log\fP
|
||
|
|
+\fI\fBgrepcidr3\fR \-f ournetworks blocklist > abuse.log\fP
|
||
|
|
.PP
|
||
|
|
Find customers (CIDR ranges in file) that appear in blocklist
|
||
|
|
.PP
|
||
|
|
-\fI\fBgrepcidr\fR 127.0.0.0/8,::1 iplog\fP
|
||
|
|
+\fI\fBgrepcidr3\fR 127.0.0.0/8,::1 iplog\fP
|
||
|
|
.PP
|
||
|
|
Searches for any localnet IP addresses inside the iplog file
|
||
|
|
.PP
|
||
|
|
-\fI\fBgrepcidr\fR "192.168.0.1-192.168.10.13" iplog\fP
|
||
|
|
+\fI\fBgrepcidr3\fR "192.168.0.1-192.168.10.13" iplog\fP
|
||
|
|
.br
|
||
|
|
-\fI\fBgrepcidr\fR "2001:3def:1234::/48" iplog\fP
|
||
|
|
+\fI\fBgrepcidr3\fR "2001:3def:1234::/48" iplog\fP
|
||
|
|
.PP
|
||
|
|
Searches for IPs matching indicated range in the iplog file
|
||
|
|
.PP
|
||
|
|
-\fI\fBscript\fR | \fBgrepcidr\fR \-vf whitelist > blocklist\fP
|
||
|
|
+\fI\fBscript\fR | \fBgrepcidr3\fR \-vf whitelist > blocklist\fP
|
||
|
|
.PP
|
||
|
|
Create a blocklist, with whitelisted networks removed (inverse)
|
||
|
|
.PP
|
||
|
|
-\fI\fBgrepcidr\fR \-f list1 list2\fP
|
||
|
|
+\fI\fBgrepcidr3\fR \-f list1 list2\fP
|
||
|
|
.PP
|
||
|
|
Cross-reference two lists, outputs IPs common to both lists
|
||
|
|
.SH "EXIT STATUS"
|