Protocol And Port Number All Cable Name
Network protocols and their port number:
| Protocols | Port No |
| FTP | 21 |
| TELNET | 23 |
| HTTP | 80 |
| DNS | 53 |
| SSH (Secure Shell) | 22 |
| SMTP | 25 |
| DHCP Server | 67 |
| DHCP client | 68 |
| POP3 (Post Office Protocol, version 3) | 110 |
| NTP (Network Time Protocol) | 123 |
| IMAP (Internet Message Access Protocol) | 143 |
| SNMP (Simple Network Management Protocol) | 161 |
| IMAP3 (Internet Message Access Protocol 3) | 220 |
| SSL (Secure Socket Layer) | 443 |
| NetBIOS (Network Bios) | 139 |
| RIP (Routing Information Protocol) | 520 |
What is the color code of a straight-through cable?
| White of Orange | White of Orange |
| Orange | Orange |
| White of Green | White of Green |
| Blue | Blue |
| White Blue | White Blue |
| Green | Green |
| White of Brown | White of Brown |
| Brown | Brown |
What is the color code of a Cross over cable?
| White of Orange | White of Orange |
| Orange | Orange |
| White of Green | White of Blue |
| Blue | Green |
| White of Blue | White of Green |
| Green | Blue |
| White of Brown | White of Brown |
| Brown | Brown |
What is the color code of a Roll over cable?
| White of Orange | Brown |
| Orange | White of Brown |
| White of Green | Green |
| Blue | White of Blue |
| White of Blue | Blue |
| Green | White of Green |
| White of Brown | Orange |
| Brown | White of Orange |
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