GetAcceptedCiphers returns all the ciphers supported by the crypto/tls package.

GetClientTLSConfig returns tlsConfig based on x509 certs.

Normalize replaces underscores with hyphens we should always use hyphens instead of underscores when registering component flags.

ParseLabels takes a comma-separated string of key-value pairs and returns a map of labels.

PrettyPrintURL decodes the URL encoded input string and print each key=val pair separated by comma.

RedirectTo redirects request to a certain destination.

RemovePortFromHost removes port number from the host address that may be of the form "<host>:<port>" where the <host> can be an either an IPv4/6 address or a domain name.