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https://issues.apache.org/jira/browse/TS-4263?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15425105#comment-15425105
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Syeda Persia Aziz commented on TS-4263:
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There is a config that can globally disable/enable session ticket.
PR: https://github.com/apache/trafficserver/pull/758
However, I didn't remove the ticket_key_name option from the ssl_multicert
config file. Should be an easy thing to do
> Session tickets keys in ssl_multicert.config do not work with SNI discovered
> hosts
> ----------------------------------------------------------------------------------
>
> Key: TS-4263
> URL: https://issues.apache.org/jira/browse/TS-4263
> Project: Traffic Server
> Issue Type: Bug
> Components: Configuration, SSL
> Reporter: Leif Hedstrom
> Assignee: Susan Hinrichs
> Labels: A
> Fix For: 7.0.0
>
>
> If you have a ssl_multicert.config without dest_ip= rules, i.e. requiring SNI
> negotiation to get a TLS session, then you can not configure the session
> ticket keys block, at all. Meaning, there's no way to share the keys across
> more than one machine.
> I went down a bit of a rathole trying to fix this, but it's somewhat ugly. At
> the point of resuming a session, the SSL call back provides the 16 byte
> key-name, but the SNI name is seemingly not available at this point.
> A possible solution is to change the lookups to always be on the 16-byte
> key-name, and keep a separate lookup table for the key blocks. This is in
> itself a little ugly, because the ownerships around SSLCertContext is a
> little murky. But it seems the cleanest, and definitely seemed to have been
> the intent from OpenSSL's callback signature.
> Another option, which could not be done in the 6.x release cycle, is to
> remove the ticket_key_name= option from ssl_multicert.config entirely, and
> only have a single, global key block configured via records.config.
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