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:: KB Home / Operating Systems / What ports do I need to open in my firewall?
What ports do I need to open in my firewall?
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Posted: 03 Jun, 2007
by: Support T.
* * * * *
Updated: 11 Jun, 2008
by: Support T.

The goal of this port table is to point to further resources for more information. Overall, you need the following Ports open:

PORT STATE SERVICE
1/tcp  open  tcpmux
21/tcp  open  FTP
Note: that ftp will use a "random high port number" if the client is in PORT mode, so you may need to add a port range into your /etc/proftpd.conf file to allow ftp connections, e.g.: PassivePorts 35000 35999.
22/tcp open SSH (Shell) access.
25/tcp  open  SMTP (Mail server )
26/tcp  open  unknown
43/tcp open whois, nickname
53/tcp  open  DNS (Named), so your Web sites resolve.
80/tcp  open  HTTP (Apache)
110/tcp  open  POP3 (Client POP email access)
111/tcp  open  Sun RPC Portmapper
113/tcp open  identd/auth
143/tcp  open  IMAP (Clients IMAP email access)
443/tcp  open  HTTPS (Apache "secure")
465/tcp  open  SMTPS
587/tcp open unknown
631/tcp  open  Internet Printing Protocol (IPP)
783/tcp  open  hp-alarm-mgr
953/tcp  open  RNDC
993/tcp  open  IMAPS (Clients IMAP email access "secure")
995/tcp  open  POP3S (Client POP email access "secure")
2082, 2083/tcp open cPanel access
2086, 2087/tcp open WHM access
2222/tcp open DirectAdmin access
3306/tcp  open  MySQL (You don't need to open this port if you don't want to allow remote MySQL access, as most MySQL scripts are all accessed locally.)
8443/tcp open Plesk access
9999, 10000, 19638/tcp open Webmin access
1433 -1434/tcp open Microsoft SQL Server and Monitor
1521/tcp open Oracle SQL

 

This is a complete list of Linux Ports (To view this page, your browser must support in-line frames.)
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