End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

OpenSSL::SSL::SSLServer#shutdown

shutdown(how=Socket::SHUT_RDWR)

ext/openssl/lib/openssl/ssl.rb View on GitHub ↗

# File tmp/rubies/ruby-3.0.5/ext/openssl/lib/openssl/ssl.rb, line 511
def shutdown(how=Socket::SHUT_RDWR)
  @svr.shutdown(how)
end

See also #listen #to_io #close also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1