Configuring Firewall
Configuring Basic Firewall Settings
Cisco CVR100W Wireless-N VPN Router Administration Guide 88
5
IPv4 Multicast
Snooping
Check Enable to enable IGMP Snooping.
UPnP Check Enable to enable Universal Plug and Play
(UPnP).
Allow Users to
Configure
(UPnP) Check to allow UPnP port-mapping rules to be
set by users who have UPnP support enabled on their
computers or other UPnP enabled devices. If disabled,
the CVR100W does not allow application to add the
forwarding rule.
Allow Users to
Disable Internet
Access
(UPnP) Check to allow users to disable Internet
access.
Block Java Check to block Java applets.
Java applets are small programs embedded in web
pages that enable dynamic functionality of the page. A
malicious applet can be used to compromise or infect
computers.
Enabling this setting blocks Java applets from being
downloaded. Click Auto to automatically block Java, or
click Manual Port and enter a specific port on which
to block Java.
Block Cookies Check to block cookies.
Cookies are used to store session information by
websites that usually require login. However, several
websites use cookies to store tracking information and
browsing habits.
Enabling this option filters out cookies from being
created by a website. Click Auto to automatically
block cookies, or click Manual Port and enter a
specific port on which to block cookies.
NOTE Many websites require that cookies be accepted in
order for the site to be accessed properly. Blocking cookies
can cause many websites to not function properly.