Cisco E4200V2 User Manual - Page 53

Improving Security, Linksys E-Series, IPv6 firewall settings

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Linksys E-Series •• Filter IDENT (Port 113)-This filter prevents port 113 from being scanned by devices from the Internet. This option is enabled by default. •• Proxy-This filter blocks the use of Internet proxy servers. To deny proxy requests, select this option. Proxy access is allowed by default. •• Java-This filter blocks Java, so you may not be able to access Java content on websites. To deny Java requests, select this option. Java content is allowed by default. •• ActiveX-This filter blocks ActiveX, so you may not be able to access ActiveX content on websites. To deny ActiveX requests, select this option. ActiveX content is allowed by default. •• Cookies-This filter blocks cookies, which are data stored on your computer and used by websites when you interact with them. To deny cookie requests, select this option. Cookie usage is allowed by default. 4. Click Save Settings to update your changes. IPv6 firewall settings For E1500 E2500 E3200 E4200 On some router models, the IPv6 firewall lets you customize IPv6 port services for applications. When users send these types of requests to your network via the Internet, the router will allow those requests to the appropriate computers. Note To use your router's IPv6 Internet connectino settings, IPv6 service from your ISP (Internet service provider) is required. For more information on this service, ask your ISP. Improving Security To set IPv6 firewall settings: Applications & Gaming->IPv6 Firewall 1. Log into the browser-based utility (see "How to open the browser-based utility" on page 22). 2. Click the Applications & Gaming tab, then click the IPv6 Firewall page. 3. Select each setting that you want to change. •• Description-Enter a description of the application. •• IPv6 Address-Enter the IPv6 address of the computer that should receive the traffic. •• Allow-Select the protocol(s) and range of port(s) used by incoming traffic. 4. Click Apply to save your changes. The Allowing Ports section lists the settings you have saved. 5. To change a saved setting, click Edit. To delete a saved setting, click Remove. 43

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43
Improving Security
Linksys E-Series
•
Filter IDENT (Port 113)
—This filter prevents port 113 from being
scanned by devices from the Internet° This option is enabled by
default°
•
Proxy
—This filter blocks the use of Internet proxy servers° To deny
proxy requests, select this option° Proxy access is allowed by default°
•
Java
—This filter blocks Java, so you may not be able to access Java
content on websites° To deny Java requests, select this option° Java
content is allowed by default°
•
ActiveX
—This filter blocks ActiveX, so you may not be able to access
ActiveX content on websites° To deny ActiveX requests, select this
option° ActiveX content is allowed by default°
•
Cookies
—This filter blocks cookies, which are data stored on your
computer and used by websites when you interact with them° To deny
cookie requests, select this option° Cookie usage is allowed by default°
4.
Click
Save Settings
to update your changes°
IPv6 firewall settings
For
E1500
E2500
E3200
E4200
On some router models, the IPv6 firewall lets you customize IPv6 port services
for applications° When users send these types of requests to your network via
the Internet, the router will allow those requests to the appropriate computers°
NOTE
To use your router’s IPv6 Internet connectino settings, IPv6 service
from your ISP (Internet service provider) is required° For more
information on this service, ask your ISP°
To set IPv6 firewall settings:
Applications & Gaming->IPv6 Firewall
1.
Log into the browser-based utility (see “How to open the browser-based
utility” on page 22)°
2.
Click the
Applications & Gaming
tab, then click the
IPv6 Firewall
page°
3.
Select each setting that you want to change°
•
Description
—Enter a description of the application°
•
IPv6 Address
—Enter the IPv6 address of the computer that should
receive the traffic°
•
Allow
—Select the protocol(s) and range of port(s) used by incoming
traffic°
4.
Click
Apply
to save your changes° The
Allowing Ports
section lists the
settings you have saved°
5.
To change a saved setting, click
Edit
° To delete a saved setting, click
Remove
°