# \#zend-http

**URL:** https://discourse.laminas.dev/tag/zend-http/39.md

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## [Unable to enable crypto on TCP connection](https://discourse.laminas.dev/t/unable-to-enable-crypto-on-tcp-connection/1191)

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**Author:** [@kazuo](https://discourse.laminas.dev/u/kazuo)\
**Replies:** 2\
**Last updated:** [September 19, 2019, 2:13am UTC](https://discourse.laminas.dev/t/unable-to-enable-crypto-on-tcp-connection/1191 "2019-09-19T02:13:51Z")

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I would like to connect server A and server B using TLS v1.2, but I got an error “Unable to enable crypto on TCP connection”. It is implemented as follows, When I looked at the packet with tcpdump, and found that serv…