32 appendix, 32�1 internet ports – Solare Datensysteme Solar-Log User Manual
Page 222

222
Appendix
32 Appendix
32�1 Internet ports
If the Solar-Log™ is connected to the Internet via a router, you must ensure that the following ports on the
router have been unblocked for the Solar-Log™:
Function
Protocol
Port
(outgoing)
Server used
Notes
Name resolution
DNS
53
According to the
network configuration or
8.8.8.8 (Google Public DNS)
when the name cannot be
resolved with the dedicated
DNS.
Normally, only the name server
from the local network is used.
Time synchroniza-
tion
NTP
123
0.pool.ntp.org to 3.pool.ntp.
org
ntps1-1.cs.tu-berlin.de
bonehed.lcs.mit.edu
navobs1.gatech.edu
130.149.17.8
130.207.244.240
This function
ensures that the correct time is
always
in the logs. The Solar-Log™ has
an internal clock, but it losses
the time during a long power
outage.
Easy Installation
(WEB)
HTTP
80
pool0.solarlog-web.com to
pool9.solarlog-web.com
A ping test is performed by
the Easy Installation to test the
Internet connection and if the
DNS server functions.
ICMP
-
solar-log.com
FTP Export
FTP
21 (and others) According to the configura-
tion.
Since it is a passive FTP connec-
tion, additional ports beyond 21
are required, depending on
which FTP server is used
(High Port > 1023).
FTP Backup
FTP
21 (and others) According to the configura-
tion.
Since it is a passive FTP connec-
tion, additional ports beyond 21
are required, depending on
which FTP server is used
(High Port > 1023).
HTTP Export
HTTP
80
According to the configura-
tion.
Sending E-mails
SMTP
25 or 465 or
587
According to the configura-
tion.
Depending on which SMTP
server is used, other ports could
also be required.
Firmware update
HTTP
80
pool0.solarlog-web.com to
pool9.solarlog-web.com