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Reduce the EDNS0 size to 1232

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@see
https://github.com/dns-violations/dnsflagday/issues/125
This commit is contained in:
Florent Daigniere
2021-09-05 15:28:59 +02:00
parent d8c22db547
commit a9a1b3e55e
1 changed files with 1 additions and 1 deletions
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2
core/admin/mailu/utils.py
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@@ -41,7 +41,7 @@ def handle_needs_login():
# DNS stub configured to do DNSSEC enabled queries
resolver = dns.resolver.Resolver()
resolver.use_edns(0, 0, 1500)
resolver.use_edns(0, 0, 1232)
resolver.flags = dns.flags.AD | dns.flags.RD
def has_dane_record(domain, timeout=10):