By default, Mobile VPN with SSL operates on the port and protocol used for encrypted website traffic (HTTPS) to avoid being blocked. This is one of the main advantages of SSL VPN over other Mobile VPN options. We recommend that you choose TCP port 53 or UDP port 53 (DNS) to keep this advantage.

Nov 02, 2017 · By default, HTTPS connections use TCP port 443. HTTP, the unsecure protocol, uses port 80. Commonly used TCP ports. For those responsible for configuring and managing web hosting, it’s useful to know the numbers for common services, such as an SSL port. Use the tables below to quickly look up port numbers and their basic functions. Web SSL/TLS is especially suited for HTTP, since it can provide some protection even if only one side of the communication is authenticated. This is the case with HTTP transactions over the Internet, where typically only the server is authenticated (by the client examining the server's certificate ). This is a list of TCP and UDP port numbers used by protocols of the Internet protocol suite for operation of network applications.. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) needed only one port for full-duplex, bidirectional traffic. By default, the SA500 series appliances use port 443 to establish SSL VPN connections. The following steps walk you through configuring the SA500 appliance to use a port other than 443 for SSL VPN portal access. Prerequisite: SSL VPN user accounts created; Authentication method has been applied to the router for SSL access. Jul 03, 2003 · ddm-ssl 448/tcp DDM-SSL smtps 465/tcp smtp protocol over TLS/SSL nntps 563/tcp nntp protocol over TLS/SSL sshell 614/tcp SSLshell ldaps 636/tcp ldap protocol over TLS/SSL ftps-data 989/tcp ftp protocol, data, over TLS/SSL

Nov 02, 2017 · By default, HTTPS connections use TCP port 443. HTTP, the unsecure protocol, uses port 80. Commonly used TCP ports. For those responsible for configuring and managing web hosting, it’s useful to know the numbers for common services, such as an SSL port. Use the tables below to quickly look up port numbers and their basic functions. Web

Apr 29, 2020 · SQL - SQL will by default use TCP port 1433 to communicate with the SQL Server hosting the OfficeScan/Apex One database. SNMP - If SNMP is enabled, it will use UDP ports 161 and 162 by default. SMTP - Email notifications will use the standard SMTP port TCP 25. certificate (name; Default: none) The name of the certificate used by particular service. Applicable only for services that depends on certificates (www-ssl, api-ssl) name (name; Default: none) Service name: port (integer: 1..65535; Default: ) The port particular service listens on The server will listen for both normal and SSL connections on the same TCP port, and will negotiate with any connecting client on whether to use SSL. By default, this is at the client's option; see Section 19.1 about how to set up the server to require use of SSL for some or all connections. Jul 24, 2020 · As you probably know, the default communication port used by SQL Server for TCP / IP mode connections is TCP 1433. This simple – but far from trivial – configuration parameter is often overlooked by system engineers and developers because most client software and drivers that interact with SQL Server are using it without letting you know about that.

This tells you which program is running on port https. (Use netstat -t -l -p -n if you just want the port number, in which case you'll see *:443 instead of *:https). This tells you that there's a socket listening on port 443. In addition, here, 5221 is the PID for apache2, so that also tells you which application is being used.

Apr 25, 2017 · IMAP – SSL (993): SSL based default IMAP port that allows you secure IMAP connections. SMTP Email Ports. SMTP means “Simple Mail Transfer Protocol”, and is the standart protocol that everybody uses to send mail messages. cPanel has five SMTP email ports that come installed with the default cPanel installation: