Buch1 > Functions, Uses, Concepts > Firewall releases for Auerswald services
Firewall releases for Auerswald services
If an existing firewall blocks the communication paths of the PBX to the Internet, releases must be granted for the following addresses and ports. Otherwise, it is not possible to use the associated services and thus the correct functioning of the PBX.




For activation, the PBX requires access to the Voucher Center.
Voucher Center
URL
IP address
Port
vouchercenter.auerswald.de
81.14.169.81
443
*Further help under Management Activation




For certain requests when synchronising with a Google account, the PBX needs access to the Auerproxy server.
Auerproxy server addresses
URL
IPv4 addresses
IPv6 addresses
proxy.auerproxy.de
217.160.243.101
217.160.53.117
82.165.222.120
51.195.61.214
62.141.42.112
2a01:239:2c1:d700::1
2001:8d8:1800:853c::1
2001:8d8:1801:85f1::1
2001:41d0:700:43d6::1
2001:4ba0:fff1:5b::1
Auerproxy server ports
TCP
UDP
Application
10000-65535
3478/3479
443
5060/5061
53
80
843
10000-65535
3478/3479
-
5060/5061
53
-
-
RTP/SRTP
STUN
HTTPS
SIP/SIPS
DNS
HTTP (HTTPS is enforced)
Google Sync Token
*Further help under Contacts




For the update service, the PBX requires access to the update server.
update server
URL
IP address
Ports
update.auerswald.de
81.14.169.81
80
443