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HTTPS/SSL

https-connection

SSL/TLS Sublayer

SSL-sublayer.png

SSL/TLS Handshake

SSL-Handshake

Common Protocols over SSL/TLS

Protocol Description Port #
nsiiops IIOP Name Service over SSL/TLS 261
https HTTP over SSL/TLS 443
nntps NNTP over SSL/TLS 563
ldaps LDAP over SSL/TLS 636
ftps-data FTP Data over SSL/TLS 989
ftps FTP Control over SSL/TLS 990
telnets Telnet over SSL/TLS 992
imaps IMAP4 over SSL/TLS 993
ircs IRC over SSL/TLS 994
pop3s POP3 over SSL/TLS 995
tftps TFTP over SSL/TLS 3713
sip-tls SIP over SSL/TLS 5061

References

  • What is HTTPS? A Guide to Secure HTTP Protocols (https://www.cloudflare.com/learning/ssl/what-is-https/)
  • Why HTTPS Matters (https://developers.google.com/web/fundamentals/security/encrypt-in-transit/why-https)
  • How to Enable HTTPS on Your Website (https://www.hostinger.com/tutorials/how-to-enable-https)
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