Chapter 4: Web Configuration
47
port
To keep track of the performance of IP Filter, a logging device is used which supports logging of the
TCP/UDP and IP packet headers and the first 129 bytes of the packet (including headers) when a
packet is successfully
passed
through, a packet is
blocked
from passing through and it matches a rule
setup to look for suspicious packets
Filtering by IP address
An IP Filter can:
act as a Network Address Translator (NAT)
pass the data from the Virtual server to Internet
An example for firewall setup:
This picture is the most common and easiest way to employ the firewall. Basically, you can install a
packet-filtering router at the Internet gateway and then configures the filter rule in the router to block
or filter protocols and addresses. The systems behind the router usually have a direct access to the
Internet, however some dangerous services such as NIS and NFS are usually blocked.
For the security of your router, set the firewall is an important issue.
Diagnostics
To check the link status for the network and your computer, a diagnostic test can guide you to detect
the network problem. The testing items are listed and accomplished one by one. If the previous one is
failed, than the items below that failed one will be failed too. Use this diagnostic test to detect the
connectivity mistakes whenever you happen to the linked problem.
Содержание RTA230
Страница 1: ...User Manual RTA230 ADSL Router Modem ...
Страница 6: ...ADSL Router User Manual vi Appendix 78 Software 78 Hardware 79 ...
Страница 42: ...ADSL Router User Manual 34 Status Overview This page is displaying the current status for the DSL connection ...
Страница 75: ...Chapter 5 Connection Mode 67 9 Now the router is well configured You can access into Internet ...
Страница 79: ...Chapter 5 Connection Mode 71 ...
Страница 85: ...Chapter 7 Glossary 77 ...
Страница 88: ...ADSL Router User Manual 80 ...