Opened 6 years ago
Closed 6 years ago
#1571 closed enhancement (duplicate)
Secure close connection on no SNI provided
Reported by: | Owned by: | ||
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Priority: | minor | Milestone: | |
Component: | nginx-core | Version: | |
Keywords: | ssl tls | Cc: | |
uname -a: | Linux discover 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) x86_64 GNU/Linux | ||
nginx -V: | -bash: nginx: command not found |
Description
When TLS handshake does not contain SNI extension would be able to close connection by nginx.
This situation may resolve server identification by address and IP dial directly attack.
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See #195 for a feature request about rejecting SSL handshakes based on server name matching, and see this comment on how to do it in current nginx versions. Closing this as a duplicate of #195.