walldns (8) - Linux Manuals
walldns: a reverse DNS wall.
NAME
SYNOPSIS
walldns [OPTIONS]DESCRIPTION
walldns is a reverse DNS wall. It accepts requests on UDP port 53. The DNS queries are for the `in-addr.arpa' domain. Walldns rejects inverse queries, non-internet class queries, truncated packets, packets that contain anything other than a single question, queries for domains outside in-addr.arpa and requests types other than A, PTR, and *.
OPTIONS
- -d <value>
-
print debug messages as per debug level: 1, 2, or 3 - -D
run as a daemon - -h --help
print this help - -v --version
print version information
FILES
BUGS
Report bugs to <pj.pandit [at] yahoo.co.in>
AUTHOR
Prasad J Pandit