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Unable to access NMC1 using IE11 via HTTPS

Published date: 14 October 2020

NMC1 Can’t be accessed using IE11 even if TLS 1.0 is enabled on the browser and SSLv3 disabled.

Product Line:

Network Management Card 1 - AP9617, AP9618, AP9619 
Devices with an embedded Network Management Card 1 include (but are not limited to): Metered/Switched Rack PDUs (AP78XX, AP79XX), Rack Automatic Transfer Switches (AP77XX, Environmental Monitoring Units (AP9320, AP9340, Netbotz 200)


IE11 for Windows 8.1 and 10, 
NMC1 with firmware v3.9.0 and higher.

Microsoft no longer supports RC4 ciphers in IE11 and Microsoft Edge.  As mentioned in FA238115, 1G NMC’s with firmware v3.9.0 and higher are affected by this update from Microsoft.
You can refer to this for further information.

Access the NMC’s web interface.  Go to Administration > Network > Web > SSL Cipher Suites and enable 3DES 168 bit.   For Telnet access, Select Network > Advanced SSL/TLS Configuration > 3DES > Enable

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