Router User’s Guide
Firewall Security Levels
Security
High
Medium
Low
NAPT Off
ICSA-
Compliant
Application/
Protocol
In
Out
In
Out
In
Out
In
Out
In
Out
H.323
√
√
Half Life
√
√
√
Heretic II
√
√
√
Hexen II
√
√
√
HTTP
√
√
√
√
√
HTTPS
√
√
√
√
√
ICMP
√
√
√
√
ICQ
2000
√
√
ICU
II
√
√
IGMP
√
√
√
IPSec multi-session
√
√
√
IPSec single-session
√
√
√
IRC
√
√
Kali
√
√
√
L2TP
√
√
√
MechWarrior 4
√
√
√
Mplayer
√
√
√
MS
Netmeeting
√
√
MSN Gaming Zone
√
√
√
MSN
Messenger
√
√
Myth
√
√
√
Napster
√
√
Need for Speed
√
√
√
Net2telephone
√
√
√
Netshow
Client
√
√
NNTP
√
√
NTP
√
√
√
√
PCAnywhere
√
√
Ping
√
√
√
√
POP3
√
√
√
80