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What are the default ports to open for a firewall ?




The 'standard' ports for services you may wish to open in your firewall are...

  • FTP | Port 21
  • SSH | Port 22
  • TELNET | Port 23
  • SMTP | Port 25
  • WEB | Port 80
  • POP3 | Port 110
  • IMAP | Port 143
  • HTTPS | Port 443
  • MySQL | Port 3306
  • DNS | Port 53
  • DHCP | Port 58
  • TFTP | Port 69
  • SNMP | Port 161
  • LDAP | Port 389
  • RSync | Port 873


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