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.