banjo_john
join:2005-10-28
Loveland, CO
 ·Qwest.net
| [netopia] Disable WAN telnet on 3347-02-10ENT?
I picked up a 3347-02-10ENT unit on Ebay to experiment with on my Qwest DSL connection. I have the basic configuration up and running and figured out how to do a couple pinholes for a special application, but I don't see an obvious way to shut off the open telnet port on the WAN side. Since this unit has no serial port, I want to be able to configure it with telnet on LAN side but close that access to the outside world. What am I missing? |
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davidg
Good Bye My Friend
Premium,MVM
join:2002-06-15
Greenville, MS
clubs:
| i just looked over the technotes and i don't see a way to turn it off. i wonder if you are supposed to just creat a firewall rule that just blocks telnet?
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Lack of Preparation on YOUR Part does NOT Constitute an Emergency on Mine! |
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banjo_john
join:2005-10-28
Loveland, CO
·Qwest.net
| I'll have to study the firewall filter rules some more. I did try to set up a rule to block telnet, but did something wrong and wound up disabling it on the LAN side also. I'm surprised that a "cookbook" for this item doesn't show up in the manual or application notes that I've seen. For the moment, I'm trusting a pretty good password to keep the WAN access secure. |
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banjo_john
join:2005-10-28
Loveland, CO
·Qwest.net
| Following up my own post - problem solved.
- Created an input rule for the "Basic Firewall" filter set to block TCP port 23.
- Set the "Basic Firewall" set as the active filter set.
Works as desired now -- telnet is blocked from WAN side but allowed from LAN side.
There is another option in the menus which turns off telnet access to the console for both LAN and WAN -- not sure how much good that is because you have to do a cold reset to get access again if you set that option. |
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