Jun 11, 2020 · What about today? How are these standard ports different? Have any deprecated over time? Port 25: SMTP port 25 continues to be used primarily for SMTP relaying. SMTP relaying is the transmission of email from email server to email server. In most cases, modern SMTP email clients (Microsoft Outlook, Mail, Thunderbird, etc.) shouldn't use this port. 562.802.2255 Toll Free: 800.783.7836 Email us: Sales@SVF.net May 27, 2020 · Port 3702 (UDP) is used to discover the availability of cached content on a client. Port 80 (TCP) is used to serve content to requesting clients. Port 443 (TCP) is the default port that is used by the hosted cache to accept incoming client offers for content. 23. ISA/TMG Server Dec 30, 2019 · How to change the HTTP listening port in Apache by Jack Wallen in Software on December 30, 2019, 5:00 AM PST If you find port 80 is a security risk on your network, you can change the Apache
The range of port numbers from 1024 to 49151 (2 10 to 2 14 + 2 15 − 1) are the registered ports. They are assigned by IANA for specific service upon application by a requesting entity.  On most systems, registered ports can be used without superuser privileges.
COM (communication port) is the original, yet still common, name of the serial port interface on PC-compatible computers.It can refer not only to physical ports, but also to emulated ports, such as ports created by Bluetooth or USB adapters
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--TMG 2010 Standard on Server 2008 clients running firewall client-- We have a situation where external domain fabrikam.com needs to deliver non-standard http over port 80. We have the standard 'Deny http rule after allow..' set up, with the allow rule allowing TCP and UDP inbound and outbound on ports 80, 6677, 9000-9001.