| Article ID: ART176523 |
| |
Date published: 02/19/2020 |
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Date last updated: 02/19/2020 |
Description
If your DR-S150 stops responding over the network, it may be that your system is blocking one of the required network ports. See the table below for a list of the network ports that the DR-S150 uses.
Solution
| Protocol |
Port |
In/Out |
Purpose |
| SMB (NetBIOS naming service) |
137 |
Out |
AUTHBROWSE/SEND |
| SMB (NetBIOS datagram) |
138 |
Out |
AUTHBROWSE/SEND |
| SMB (NetBIOS session) |
139 |
Out |
AUTHBROWSE/SEND |
| SMB (SMB over TCP/IP) |
445 |
Out |
AUTHBROWSE/SEND |
| SNMP |
161 |
In |
GET/SET |
| SNMP Trap |
162 |
Out |
SEND |
| DHCP (server) |
67 |
Out |
REQUEST |
| DHCP (client) |
68 |
Out |
GET |
| HTTP (Web API) |
80 |
In |
Device API call |
| HTTPS (Web API) |
443 |
In |
Device API call |
| mDNS |
5353 |
In |
GET |
