| Description | TCP Port Number |
| POP3 | 110 |
| SMTP | 25 |
| IMAP | 143 |
| HTTP | 80 |
| HTTPS | 443 |
| TELNET | 23 |
| FTP (For Data Transfer) | 20 |
| FTP (To establish connection between computers) | 21 |
| Secure SMTP (SSMTP) | 465 |
| Secure IMAP (IMAP4 SSL) | 585 |
| IMAP4 over SSL | 993 |
| Secure POP3(SSL-POP) | 995 |
| Remote Desktop | 3389 |
| DNS (Client/Server) | 53 |
Most Popular Topics Today
- How to find the configuration of your own computer?
- How to Speed Up your slow Remote Desktop Connection?
- Home page
- Technical Support Interview Questions - 2
- How to copy/burn a file or folder to a cd-rom or dvd-rom disc?
- How to set up a Trust Relationship between two domains?
- Windows XP desktop is blank
- Windows NT 4.0 vs Windows 2000/Windows Server 2003
- How to find out the computer name using IP address?
- Service Desk Team Lead Interview Questions
Important Links
- Apple Tech Support KB
- Capability Maturity Model Integration (CMMI)
- edX
- Free & Open Source Office Suite (just like MS Office!)
- Free & Open Source Software from Oracle
- Free Courses from Stanford University
- Free Courses from World Universities
- Free Screen Recording Software
- ISO 9000 essentials
- ITIL – The Official Website
- Learn to Speak a New Language
- LearnStreet – Learn Coding!
- Microsoft Answer Desk – Premium Online Support
- MS Excel Tutorial Website
- Online Free Web Tutorials
- Oracle VM VirtualBox
- Tech On The Net
-
Recent Posts
