HTTP Info Page

https, http

TLS / HTTP Information
TLS Version
HTTP VersionHTTP/1.1
Request Schemehttp
Upgrade Insecure Requests
SSL Session Resumed
SSL Session ID
SSL Cipher
SSL Compression
SSL Secure Renegotiation

Client Information

Source IP18.97.9.172
Source Port43000

All Request Headers

User-AgentCCBot/2.0 (https://commoncrawl.org/faq/)
Accepttext/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Languageen-US,en;q=0.5
If-Modified-SinceSat, 11 Oct 2025 23:41:34 GMT
Accept-Encodingbr,gzip
Hostpersoenli.ch
ConnectionKeep-Alive

How to test TLS and HTTP Support of a Webserver

TLS Version

TLS 1.0openssl s_client -connect www.persoenli.ch:443 -tls1
TLS 1.1openssl s_client -connect www.persoenli.ch:443 -tls1_1
TLS 1.2openssl s_client -connect www.persoenli.ch:443 -tls1_2
TLS 1.3openssl s_client -connect www.persoenli.ch:443 -tls1_3

HTTP Version

http 1.0curl https://tls13.persoenli.ch -I --http1.0
http 1.1curl https://tls13.persoenli.ch -I --http1.1
http 2 curl https://tls13.persoenli.ch -I --http2