Pi-Hole/dnsmasq
1
0
Fork 0
mirror of https://github.com/pi-hole/dnsmasq.git synced 2025-12-19 10:18:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

Teach --bogus-nxdomain and --ignore-address to take a subnet argument.

Browse Source
This commit is contained in:
Simon Kelley
2021-03-17 20:31:06 +00:00
parent 484bd75ce4
commit 9eaa91bfc3
6 changed files with 57 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
man/dnsmasq.8
View File

@@ -326,8 +326,8 @@ are re-written. So
.B --alias=192.168.0.10-192.168.0.40,10.0.0.0,255.255.255.0
maps 192.168.0.10->192.168.0.40 to 10.0.0.10->10.0.0.40
.TP
.B \-B, --bogus-nxdomain=<ipaddr>
Transform replies which contain the IP address given into "No such
.B \-B, --bogus-nxdomain=<ipaddr>[/prefix]
Transform replies which contain the IP specified address or subnet into "No such
domain" replies. This is intended to counteract a devious move made by
Verisign in September 2003 when they started returning the address of
an advertising web page in response to queries for unregistered names,
@@ -335,8 +335,8 @@ instead of the correct NXDOMAIN response. This option tells dnsmasq to
fake the correct response when it sees this behaviour. As at Sept 2003
the IP address being returned by Verisign is 64.94.110.11
.TP
.B --ignore-address=<ipaddr>
Ignore replies to A-record queries which include the specified address.
.B --ignore-address=<ipaddr>[/prefix]
Ignore replies to A-record queries which include the specified address or subnet.
No error is generated, dnsmasq simply continues to listen for another reply.
This is useful to defeat blocking strategies which rely on quickly supplying a
forged answer to a DNS request for certain domain, before the correct answer can arrive.