User`s guide

AT&T Global Network Client for Windows Administrator’s Guide
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Appendix C: Third-Party Firewall Support
Network Firewalls
You may need to alter your network firewall configuration to allow AT&T Global Network Client
management and VPN traffic to route properly. The table below lists the required changes.
Source Dest Protocol Port
Source
Protocol Port
Dest
Action Reason for
opening
ALL SERVICES
Local PC 144.160.245.70 TCP:1024 + HTTP:80 Allow SLA Data
collector
Local PC 144.160.245.71 TCP:1024 + HTTP:80 Allow SLA Data
collector
Local PC 32.97.166.118 TCP:1024 + HTTP:80 Allow Hotspot
Directory
Updates
Local PC SMX List TCP:1024 + HTTP:80 (443) Allow Authentication
Local PC 165.87.194.246 TCP:1024 + TCP:21 Allow Passive FTP for
AGNC,
Certificate and
Firmware
updates
IPSec
Local PC VPN Gateways
IPs
ESP (50) ESP (50) Allow IPSec
VPN
Gateways
IPs
Local PC ESP (50) ESP (50) Allow IPSec
Local PC VPN Gateways
IPs
UDP:500 UDP:500, Allow IPSec (IKE)
VPN
Gateways
IPs
Local PC UDP:500 UDP:500, Allow IPSec (IKE)
Local PC VPN Gateways
IPs
UDP:1024+ UDP 4500 Allow IPSec with
NAT Traversal