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Add TLSA record for HTTPS connections.

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While not widely supported, there are some browser addons that can
validate DNSSEC and TLSA for additional out-of-band verification of
certificates when browsing the web.  Costs nothing to implement and
might improve security in some situations.
This commit is contained in:
PortableTech 2015-07-12 11:12:34 -04:00
parent 5f17abc856
commit 415f95b792
1 changed files with 3 additions and 0 deletions
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3
management/dns_update.py
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@ -170,6 +170,9 @@ def build_zone(domain, all_domains, additional_records, www_redirect_domains, en
# Add a DANE TLSA record for SMTP. # Add a DANE TLSA record for SMTP.
records.append(("_25._tcp", "TLSA", build_tlsa_record(env), "Recommended when DNSSEC is enabled. Advertises to mail servers connecting to the box that mandatory encryption should be used.")) records.append(("_25._tcp", "TLSA", build_tlsa_record(env), "Recommended when DNSSEC is enabled. Advertises to mail servers connecting to the box that mandatory encryption should be used."))
# Add a DANE TLSA record for HTTPS, which some browser extensions might make use of.
records.append(("_443._tcp", "TLSA", build_tlsa_record(env), "Optional. When DNSSEC is enabled, provides out-of-band HTTPS certificate validation for a few web clients that support it."))
# Add a SSHFP records to help SSH key validation. One per available SSH key on this system. # Add a SSHFP records to help SSH key validation. One per available SSH key on this system.
for value in build_sshfp_records(): for value in build_sshfp_records():
records.append((None, "SSHFP", value, "Optional. Provides an out-of-band method for verifying an SSH key before connecting. Use 'VerifyHostKeyDNS yes' (or 'VerifyHostKeyDNS ask') when connecting with ssh.")) records.append((None, "SSHFP", value, "Optional. Provides an out-of-band method for verifying an SSH key before connecting. Use 'VerifyHostKeyDNS yes' (or 'VerifyHostKeyDNS ask') when connecting with ssh."))