# Release of probe firmware 4940

Add support for DNS client subnet option
Add support for HTTP host header
Add support for ping synchronous DNS resolution (only used internally)
Update SSL/TLS list of ciphers (taken from wget 1.19.1)
Add support for SSL/TLS elliptic curves
Add better error reporting for TLS errors
Add support for traceroute ToS
Internal code changes to align the behaviour/scripts used on v3 and v4 probes
Fix a bug where probes no longer sent DNS "sos" queries