What are the Cisco ASA 5505 Firewall preconfigured access rules?

Your Cisco ASA 5505 hardware firewall comes set up with pre-configured access rules. By default, all outbound traffic is allowed.

Also by default, all inbound traffic is denied, except for the following open ports:

• 20 (FTP)
• 21 (FTP)
• 22 (SSH)
• 42 (DNS Extra: TCP and UDP)
• 53 (DNS)
• 80 (HTTP)
• 110 (POP3)
• 443 (HTTPS)
• 465 (SMTPS)
• 587 (SMTP/TLS)
• 993 (IMAPS)
• 995 (POP3S)
• 2086 (cPanel)
• 2087 (cPanel)
• 2082 (cPanel)
• 2083 (cPanel)
• 2096 (cPanel)
• 2095 (cPanel)
• 3389 (Remote Desktop)
• 8443 (Plesk)
• 9999 (Simple Control Panel)

To modify Cisco ASA 5505 hardware firewall access rules, see Configure Cisco ASA 5505 Firewall Access Rules.