As of UW release 6.5.8.28, UW now supports TLS version 1.3.  The following configuration is recommended for systems running 6.5.8.28, and higher.

(For older releases of UW, please see this article.)

/stoneware/config/excludeProtocols

TLSv1

TLSv1.1

# Uncomment the following line, to also disable TLS 1.2

#TLSv1.2

SSL

SSLv2

SSLv2Hello

SSLv3

/stoneware/config/includeProtocols - leave this file empty

/stoneware/config/allowCiphers

TLS_DHE_RSA.*

TLS_ECDHE.*

TLS_AES_128_GCM_SHA256

TLS_AES_256_GCM_SHA384

TLS_CHACHA20_POLY1305_SHA256

/stoneware/config/denyCiphers 

.*NULL.*

.*RC4.*

.*MD5.*

.*DES.*

.*DSS.*

TLS_DHE_RSA_WITH_AES_128_CBC_SHA

TLS_DHE_RSA_WITH_AES_128_CBC_SHA256

TLS_DHE_RSA_WITH_AES_128_GCM_SHA256

TLS_DHE_RSA_WITH_AES_256_CBC_SHA

TLS_DHE_RSA_WITH_AES_256_CBC_SHA256

TLS_DHE_RSA_WITH_AES_256_GCM_SHA384

Any changes to these files requires webNetwork to be shut down and started back up.