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HOW TO: Configure the Digi TransPort Firewall to Allow Alternate SSH and Other Management Ports for External Access

 

With the standard rule in place, which allows SSH, you may see several external connection attempts in the Event log similar to the following:

 -> ###.###.###.###:5286

 

 

These messages may point to possible malicious hack attempts.  Fortunately, Digi TransPort routers will listen on the standard service ports with 8000+ port numbers.  For example:  8022(SSH),8080(HTTP), 8443(HTTPS), etc...

 

In order to configure the Digi TransPort to stop listening on the standard SSH port 22 and listen on the 8022 port instead, the following can be added to the firewall rules:

 flags S!A inspect-state

 

 


-----   15-5-2014 13:10:24   ------

FW LOG   Dir: IN   Line:21   Hits: 599   IFACE: PPP 1

Source IP: ###.###.###.###   Dest IP: 192.168.1.1  ID: 27424   TTL: 232   PROTO: TCP (6)

22

block log break end

 
Last updated: Mar 14, 2019

Filed Under

Cellular/Transport

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