BytetoInt converts byte slice to integer.

CanConnect used to confirm host is reachable via tcp.

DownloadBINFile downloads file from url and returns as []byte.

GenRandBytes returns byte array of length n.

GetHTTPHeader used to get server header/name.

GetService returns name of service based on port.

Ltos returns first element of list this is to handle certificate information being parsed as a string slice.

ValidHost checks for valid hostname.

ValidPort make sure port is in range.