Table 10: Typical Firewall Settings - Grandstream Networks UCM6510 IP PBX User Manual

For typical firewall settings, users could configure the following options on the UCM6510.
Ping Defense
Enable
SYN-Flood Defense
Enable
Ping-of-Death
Defense Enable
Under "Custom Firewall Settings", users could create new rules to accept, reject or drop certain traffic
going through the UCM6510. To create new rule, click on "Create New Rule" button and a new window
will pop up for users to specify rule options.
The following figure shows a firewall rule example that will deny SSH access for the UCM6510 from WAN
side.
Firmware Version 1.0.0.25
VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 808299
22 Dropbear
80 Lighthttpd
8089 Lighthttpd
69 Opentftpd
9090 Asterisk
6060 zero_config
5060 Asterisk
4569 Asterisk
5353 zero_config
37435 Syslogd

Table 10: Typical Firewall Settings

If enabled, ICMP response will not be allowed for Ping request. The default
setting is disabled. To enable or disable it, click on the check box for the LAN
or WAN interface.
Enable to prevent SYN Flood denial-of-service attack to the device. The
default setting is disabled. To enable or disable it, click on the check box for the
LAN or WAN interface.
Enable to prevent Ping-of-Death attack to the device. The default setting is
disabled. To enable or disable it, click on the check box for the LAN or WAN
interface.
UCM6510 IP PBX User Manual
tcp/IPv4
tcp/IPv4
tcp/IPv4
udp/IPv4
udp/IPv4
udp/IPv4
udp/IPv4
udp/IPv4
udp/IPv4
udp/IPv4
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