# Chapter 15 – Security Assessment and Testing

## Common TCP ports
Expected to be open on a webserver:	
	* HTTP = 80
	* HTTPS = 443

Rest should at least be filtered.

	* SSH = 22
	* Telnet = 23
	* SMTP = 25
	* DNS = 53
	* POP3 = 110
	* NTP = 123
	* SQL = 1433

 See p 675 for more.
