Filter and Firewall
Left running head:
Chapter name (automatic)
700
Beta
Beta
CLI Configuration Guide
Alcatel-Lucent
P
OLICIES
T
HAT
N
EED
TO
BE
F
ORMULATED
•
Apart from this, the DMZ has to be protected from DoS attacks.
•
Checks have to be done on LAN ports for traffic from valid IP addresses.
RFC1918 addresses from the Internet have to be discarded.
•
ICMP rate limiting to be applied to 2/second.
IP A
DDRESSING
S
CHEME
1.
LAN addresses fall in 3 subnets
•
10.0.0.0/24
•
192.168.0.0/24
•
172.16.0.0/25
2.
The Public IP of the link is 202.24.45.100. This is forwarded to Mail Server and
Web Server using NAT.
Serial
Number
From
To
Allow
1.
Trusted/LAN
DMZ All
services
2.
Untrusted/Internet
Mail server in DMZ
SMTP, POP, IMAP, HTTP,
HTTPS, DNS.
3.
Untrusted/Internet
Web server in
DMZ
HTTP, HTTPS, DNS, FTP.
4.
Trusted/LAN
Internet
All services
5.
DMZ
Internet/Untrusted
SMTP, DNS
6.
DMZ/Internet
Trusted/LAN
Nil
Содержание OmniAccess 700
Страница 38: ...Left running head Chapter name automatic 12 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 176: ...Left running head Chapter name automatic 150 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 224: ...Per VLAN Spanning Tree Left running head Chapter name automatic 198 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 258: ...Port Monitoring Left running head Chapter name automatic 232 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 260: ...Left running head Chapter name automatic 234 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 296: ...T1E1 Line Card Left running head Chapter name automatic 270 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 360: ...Point to Point Protocol Left running head Chapter name automatic 334 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 434: ...Left running head Chapter name automatic 408 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 462: ...Common Classifiers Left running head Chapter name automatic 436 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 464: ...Left running head Chapter name automatic 438 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 534: ...Border Gateway Protocol Left running head Chapter name automatic 508 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 638: ...Left running head Chapter name automatic 612 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 762: ...Filter and Firewall Left running head Chapter name automatic 736 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 890: ...Transparent Firewall Left running head Chapter name automatic 864 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 940: ...Left running head Chapter name automatic 914 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 1000: ...Quality of Service Left running head Chapter name automatic 974 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 1002: ...Left running head Chapter name automatic 976 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 1044: ...DNS Domain Name Service Client Left running head Chapter name automatic 1018 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 1046: ...Left running head Chapter name automatic 1020 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 1058: ...Left running head Chapter name automatic 1032 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 1074: ...Lifeline Left running head Chapter name automatic 1048 Beta Beta CLI Configuration Guide Alcatel Lucent line con 0 end ...
Страница 1076: ...Left running head Chapter name automatic 1050 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 1118: ...Web Cache Server Left running head Chapter name automatic 1092 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 1120: ...Left running head Chapter name automatic 2 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 1140: ...QoS Values and Mnemonics Left running head Chapter name automatic 22 Beta Beta CLI Configuration Guide Alcatel Lucent ...
Страница 1156: ...IPsec Interoperability of OA 700 Left running head Chapter name automatic 38 Beta Beta CLI Configuration Guide Alcatel Lucent ...