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Question Anzelem Sanyatwe · Feb 19, 2020

Disabling Telnet

#Caché #Microsoft Windows #Terminal

Good Day;

looking at disabling Telnet - on Windows - Cache 2012,2017. The security scans don't need it on network.

But still leave users able to use `Terminal - direct - on the box should be fine.

am posting here for quick refs (as this is a common security vulnerability out there).

Regards;

Anzelem.

Discussion (5)1
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Comments

Anzelem Sanyatwe  Feb 19, 2020 to Alexander Koblov

Thanks Alex, i did a netstat -anb > openports.txt before and after.

So other than disabling in CACHE, there are no traces at Windows OS level? Any setting related to Telnet that was opened/configured at OS level, when Cache was installed/started? 

Regards;

Anzelem.

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Alexander Koblov  Feb 19, 2020 to Anzelem Sanyatwe

No other settings.

What %Service_Telnet does is it starts/stops process that listens on port 23 (by default). If you disable this service than process is stopped, so nothing from Caché side is listening on port 23.

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Anzelem Sanyatwe  Feb 19, 2020 to Alexander Koblov

Thanks Alex, i got it and configured the way i envisaged.

Regards;

Anzelem.

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Erik Hemdal  Mar 19, 2020 to Anzelem Sanyatwe

Depending on your version of Windows, there might be a Windows Telnet service, which you would want to disable using Windows tools.

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