![]() HTTPS is the secure and encrypted version of HTTP. Autonomous systems use BGP to broadcast which IP addresses they control. BGP is essential for establishing efficient routes between the large networks that make up the Internet (these large networks are called autonomous systems). NTP allows computer clocks to sync with each other, a process that is essential for encryption. HTTP is the protocol that makes the World Wide Web possible. Port 80: Hypertext Transfer Protocol (HTTP). DNS is an essential process for the modern Internet it matches human-readable domain names to machine-readable IP addresses, enabling users to load websites and applications without memorizing a long list of IP addresses. Port 25: Simple Mail Transfer Protocol (SMTP). SSH is one of many tunneling protocols that create secure network connections. ![]() FTP is for transferring files between a client and a server. The tool has simple script language that allows you to format the output to your liking.Ī comparable tool is SuperScan.Ports 20 and 21: File Transfer Protocol (FTP). You can export scan results into a text file. ![]() It is possible to combine these switches, so, for example, you could show all unknown and alive computers. They allow you to show only unknown computers (that were not pinged yet), alive computers (that respond to pings), and dead computers (that don't respond to pings). What I like about Advanced Port Scanner are the three switches in its toolbar. ![]() The latter option speeds up port scans significantly because computers that are offline will be omitted. You can configure the number of threads, thread priority, the scan speed, the scan time out, and if computers should be pinged before they are scanned. Since the tool scans with multiple threads, it is pretty fast if you scan a local network. ![]() However, if you just want to know what open ports in your network exist, then this should be sufficient. Unfortunately, Advanced Port Scanner only supports port ranges, but you can't work with port lists. It is also possible to auto-load the last used IP's list and port ranges on startup. If you often have to scan the same IP range, then you can use the tool's save and load function. You can either scan a single computer, an IP range, or multiple IP ranges. ![]()
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