This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
networking:firewall:common_ports [2011/11/26 12:47] gcooper |
networking:firewall:common_ports [2012/01/12 12:01] (current) gcooper |
||
---|---|---|---|
Line 1: | Line 1: | ||
====== Commonly Used TCP Ports ====== | ====== Commonly Used TCP Ports ====== | ||
- | The following TCP ports are used to provide common network services such as e-mail and remote access. | + | The following TCP ports are used to provide common network services such as e-mail and remote access. UDP is a connectionless protocol that is not frequently forwarded. |
- | In the interest of security, a person would normally only forward secure | + | These are some of the most common |
- | These are some of the most common | + | :!: In the interest of security, a person would normally only forward secure (encrypted) |
- | <note important> | + | :!: You should only forward the ports for the services you want to expose to the outside (Internet). |
- | | + | |**Port**|**Name**|**Description**|**Notes**| |
- | | + | |20|FTP Data|File Transfer Protocol|Server -> Client Data Connection. You don't need to forward port 21 if your clients use the common " |
- | | + | |21|FTP Control|File Transfer Protocol|Client -> Server Control Connection| |
- | | + | |22|SSH|Secure Shell|Encrypted secure shell and secure file transfers (SFTP)| |
- | | + | |25|SMTP|Simple Mail Transfer Protocol|Used to transfer mail between mail servers and for mail submitted by mail clients. May be secured with TLS.| |
- | | + | |80|HTTP|Hypertext Transfer Protocol|The common WWW protocol used by web browsers| |
- | | + | |110|POP3|Post Office Protocol v3|Mail retrieval. Client-based message store.| |
- | | + | |143|IMAP|Internet Mail Access Protocol|Mail retrieval. Server-based message store.| |
- | | + | |443|HTTPS|HTTP over SSL|Encrypted web traffic| |
- | * 902 - VMware Console ((VMware Server version 1.x server management console | + | |465|SMTPS|SMTP over SSL|Encrypted mail traffic| |
- | | + | |587|Submission|SMTP on alternate port|Used with SMTP protocol to submit mail from mail clients. May be secured with TLS. Often used when ISP blocks |
- | | + | |993|IMAPS|IMAP over SSL|Encrypted mail retrieval. Client-based message store.| |
- | | + | |995|POPS|POP over SSL|Encrypted mail retrieval. Server-based message store.| |
- | | + | |1723|PPTP|Microsoft Point-to-Point Tunnelling Protocol|PPTP also requires forwarding of the GRE Protocol. Check the documentation for the device you are using on forwarding of protocols.| |
- | * 4125 - Remote Web Workplace ((The Microsoft Small Business Server Remote Web Workplace uses port 4125.)) | + | |3389|RDP|Remote Desktop |
- | | + | |5900|VNC|Virtual Network Computing|This remote control protocol may also be used on other ports such as 5901, 5902, etc.| |
- | * 8222 - VMware Web Access | + | |
- | * 8333 - VMware Web Access over SSL | + | |