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MAN page from RedHat EL 8 fpdns-0.10.0-1.20190131.el8.noarch.rpm

FPDNS

Section: User Contributed Perl Documentation (1)
Updated: 2018-09-06
Index 

NAME

fpdns - DNS server fingeprinting tool 

SYNOPSIS

fpdns-d ] [ -f ] [ -F nchild ]
   [ -p port ] [ -Q srcaddr ] [ -r retry ]
   [ -s ]  [ -S separator ] [ -t timeout ] [ -v ] [server(s)] 

DESCRIPTION

fpdns is a program that remotely determines DNS server versions.It does this by sending a series of borderline DNS queries which arecompared against a table of responses and server versions.

False positives or incorrect versions may be reported when trying to identify a set of servers residing behind a load-balancing apparatus where the servers are of different implementations, when a specific implementation behaves like a forwarder, behind a firewall without statefull inspection or without Application Intelligence. 

OPTIONS

-d
Enable debugging. Off by default.
-D
Check all authoritative servers of the specified domain name.
-f
Force checking of CH TXT version. Off by default.
-F nchild
Maximum number of forked child processes. Defaults to 10.
-p port
Port to query remote nameserver on. Default is 53.
-Q srcaddr
Set the source IP address to use.
-r retry
Number of attempt to retry fingerprints. Defaults to 1.
-s
Short display form. Useful for surveys.
-S
Separator. Defaults to `` ''.
-t timeout
Set the query timeout in seconds. Defaults to 5.
-T
Use TCP instead of UDP.
-v
Show version of fpdns.
server
IP address or name to query. Alternatively may be '-' to read from a list of these from stdin
 

AUTHORS

fpdns was written by Roy Arends and Jakob Schlyter. 

SEE ALSO

perl(1), Net::DNS(1)


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
AUTHORS
SEE ALSO

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