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ShieldsUP is an online port scanning service created by Steve Gibson of Gibson Research Corporation.The purpose of the utility is to alert the users of any ports that have been opened through their firewalls or through their NAT routers, which can be used by malicious users to take advantage of security vulnerabilities.
A port scan or portscan is a process that sends client requests to a range of server port addresses on a host, with the goal of finding an active port; this is not a nefarious process in and of itself. [1] The majority of uses of a port scan are not attacks, but rather simple probes to determine services available on a remote machine.
The port numbers in the range from 0 to 1023 (0 to 2 10 − 1) are the well-known ports or system ports. [3] They are used by system processes that provide widely used types of network services. On Unix-like operating systems, a process must execute with superuser privileges to be able to bind a network socket to an IP address using one of the ...
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In computer networking, a port or port number is a number assigned to uniquely identify a connection endpoint and to direct data to a specific service. At the software level, within an operating system , a port is a logical construct that identifies a specific process or a type of network service .
Settings may be in a different location in each email client, though the Verizon server and port settings will always be the same. For additional questions specific to the email client, check the manufacturer’s website. Manufacturers cannot answer questions about your Verizon.net AOL Mail settings, or your username or password.
Server Settings Port Settings Incoming mail server (POP3): pop.verizon.net Outgoing mail server (SMTP): smtp.verizon.net POP3-995-SSL SMTP-465-SSL
Server Settings Port Settings Incoming mail server (IMAP): imap.aol.com Outgoing mail server (SMTP): smtp.verizon.net IMAP-993-SSL SMTP-465-SSL