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Man Pages


Manual Reference Pages  -  DANE (1)

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NAME

dane - Generate TLSA/HASTLS DNS records by scanning SSL/TLS sites

CONTENTS

SYNTAX

dane [-v] [-q] [-h] [-v] [--draft|--rfc] [--sha256] [--sha512] [--full] [--insecure] [--pubkey] [--txt] [--eecert] [--cacert] [-4] [-6] [--axfr] [-n <nameserver>] host1 [host2 ...]] [@nameserver]]

DESCRIPTION

dane generates TLSA/HASTLS records based on the IETF DANE working group proposal. These are currently in draft, so private RRTYPE assignments are used. Records are generated by connecting to the website using SSL and grabbing its (EE) certificate. If the nameserver of the domain allows zone tranfers (AXFR), an entire domain can be processed for all its A/AAAA records.

OPTIONS

-n / --nameserver <hostname1>

Use specified nameserver for AXFR query

-q / --quiet

Supress all warnings - useful when scanning lots of host where some do not run SSL

--axfr

Use AXFR. Implies -n nameserver (or @nameserver). Hosts are treated as zones to AXFR.

--tlsa

Output TLSA record from SSL server scan results (default)

--eecert

Output TLSA record format EE certificates (type 1) (default)

--pubkey

Output TLSA record for just the public key (type unassined) (not implemented yet)

--txt

Output Kaminsky style TXT record for (not implemented yet)

--cacert

Output TLSA record for the entire CA chain and EE-cert (not yet implemented)

--sha256

Output TLSA record reference type 1 (SHA256) records (default)

--sha512

Output TLSA record reference type 2 (SHA512) records

--full

Output TLSA record reference type 0 (full cert) records

--draft

Output Unknown Resource Record format with private RRTYPE assignment. This is used while the standard is still in draft form, and for when your nameserver does not (yet) support the new RRTYPE names. This option is the default (if --rfc is not specified) as long as dane is has not be released as RFC.

--rfc

Specify records using the RRTYPEs TLSA (and HASTLA)

--insecure

Continue scanning even if the A/AAAA records could not be validated using DNSSEC

-4

Only use ipv4 networking - do not attempt to connect to AAAA SSL sites

-6

Only use ipv6 networking - do not attempt to connect to A SSL sites

-h / --help

Output help information and exit.

-v / --version

Output version information and exit.

FILES

~/.ssh/known_hosts

REQUIREMENTS

dane requires python-dns and python-argparse(\m[blue]http://www.pythondns.org\m[])

Fedora: yum install python-dns python-argparse

Debian: apt-get install python-dnspython python-argparse

BUGS

Im sure there are

EXAMPLES

typical usage:

dane www.xelerance.com

dane --rfc --sha512 www.xelerance.com

dane --insecure --draft xelerance.com @ns0.xelerance.net

SEE ALSO

sshfp(1) ssh(1) and RFC-XXXX

\m[blue]http://www.xelerance.com/software/sshfp/\m[]

\m[blue]http://lists.xelerance.com/mailman/listinfo/sshfp/\m[]

AUTHORS

Paul Wouters <paul@xelerance.com>

COPYRIGHT

Copyright 2011 Xelerance Corporation

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See <\m[blue]http://www.fsf.org/copyleft/gpl.txt\m[]>.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License (file COPYING in the distribution) for more details.

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Paul Wouters DANE (1) April 12, 2011

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