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SpeedStream Router User Guide
Appendix C:
Firewall Security Levels
The following table shows the security of each mode of the firewall for specific applications and
protocols.
Note
All applications and protocols are conditionally allowed IN if the outbound session was
initiated locally and allowed OUT.
Security
High
Medium
Low
NAPT Off
ICSA-
Compliant
Application/
Protocol
In
Out
In
Out
In
Out
In
Out
In
Out
Abuse.Net
√
√
√
Age of Empires
√
√
√
AOL
√
√
√
√
AOL IM
√
√
Asherons Call
√
√
√
Baldur’s Gate II
√
√
√
BattleNet
√
√
√
Buddy Telephone
√
√
√
Bungie.Net
√
√
√
Calista IP Telephone
√
√
√
Counterstrike
√
√
√
CUSeeMe
√
√
Delta Force
√
√
√
Descent II/III
√
√
√
Diablo
√
√
√
Diablo 2
√
√
√
Dialpad
√
√
√
DirectPlay
√
√
√
DNS
√
√
√
√
√
Doom
√
√
√
Dune 2000
√
√
√
EverQuest
√
√
√
√
FTP
√
√
√
GNUtella
√
√
H.323
√
√
Half Life
√
√
√
Heretic II
√
√
√
Hexen II
√
√
√
HTTP
√
√
√
√
√
HTTPS
√
√
√
√
√
ICMP
√
√
√
√
ICQ 2000
√
√
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Security
High
Medium
Low
NAPT Off
ICSA-
Compliant
Application/
Protocol
In
Out
In
Out
In
Out
In
Out
In
Out
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
√
√
√
PPPoE
√
√
√
PPTP multi-session
√
√
√
PPTP single-session
√
√
√
Quake Arena
√
√
√
Quake II
√
√
√
Quicktime 4
√
√
√
√
Rainbow Six
√
√
√
Real Audio
√
√
√
√
Real Video
√
√
√
√
Red Alert II
√
√
√
Rogue Spear
√
√
√
RTSP
√
√
√
√
SIP
√
√
√
SMTP
√
√
√
Soldier of Fortune
√
√
√
SSH
√
√
√
Starcraft
√
√
√
T.120
√
√
Telnet
√
√
√
√
Tiberian Sun
√
√
√
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SpeedStream Router User Guide
Security
High
Medium
Low
NAPT Off
ICSA-
Compliant
Application/
Protocol
In
Out
In
Out
In
Out
In
Out
In
Out
Traceroute
√
√
√
√
Ultima Online
√
√
√
Unreal Tournament
√
√
√
VNC
√
√
Warcraft
√
√
√
Windows Media Player
√
√
√
√
XDM
√
√
Yahoo Messenger
√
√
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SpeedStream Router User Guide
Appendix D:
Acronyms and Technical Concepts
Acronyms
AAL5
ATM Adaption Layer 5
ADS
Attack Detection System
ATM
Asynchronous Transfer Mode
ATU
ADSL Termination Unit
ATU-C
ADSL Termination Unit - Central Office; refers to location at the CO
aggregation point.
ATU-R
ADSL Termination Unit - Remote; refers to location at the customer premises
CHAP
Challenge-Handshake Authentication Protocol
CRC
Cycle Redundancy Checking
CO
Central Office
DDoS
Distributed Denial of Service
DHCP
Dynamic Host Configuration Protocol
DMZ
Demilitarized Zone
DNS
Domain Name Service
DSL
Digital Subscriber Line
DSLAM
Digital Subscriber Line Access Multiplexer
Ethernet
Network standard for LAN communications
FEC
Forward Equivalence Class
firmware
Software, in binary form, stored within a flash PROM
frames
Data packet
Gateway
Router
GUI
Graphical User Interface
ICMP
Internet Control Message Protocol
IGD
Internet Gateway Device
IPCP
IP Control Protocol
ISP
Internet Service Provider
LCP
Link Control Protocol
LLC
Logical Link Control layer
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LOS
Loss of Signal
MAC address
Media Access Control address; a network device’s unique identifier
MTU
Maximum Transmission Unit
NAP
Network Access Provider
NAPT
Network Address Port Translation
NAT
Network Address Translation
NCP
Network-layer Control Protocol
NSP
Network Service Provider
OCD
Out-of-cell Delineation (ATM error condition)
octet
8 bytes
PAP
Password Authentication Protocol
POST
Power-On Self Test
PDU
Protocol Data Unit
PPP
Point-to-Point Protocol
PPPoE
Point-to-Point Protocol over Ethernet
PTT
Post Telephone and Telegraph (European Telco)
PVC
Permanent Virtual Circuit
RFC
Request for Comment
RIP
Routing Information Protocol
RT
Remote Termination
Rx Cells
(ATM) Number of cells received and passed through to the ATM layer.
Rx Errors
(ATM) Number of SDUs received.
Rx Invalid
(ATM) Number of cells that are dropped because they are not associated with an
existing connection.
Rx Packets
(DSL, Eth, USB) Count of all encoded blocks received on this channel since
router reset.
RX PDUs
(ATM) Number of Protocol Data Units (PDUs) that are received and passed to
upper layers.
SDU
Service Data Unit
SEF
Severely Errored Frame
SMTP
Simple Mail Transport Protocol
SNMP
Simple Network Management Protocol
SNR
Signal-to-Noise Ratio
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