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How to set HTTP User and Password as well as Administrator Password
On first run of Snom we strongly recommend that you secure the web interface in order to protect your phone against remote attacks. Therefore the HTTP User and Password as well as the Administrator Password should be changed from the default value.
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Setting-Up the phone for TLS
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Your phone also acts as a client in a couple of cases. E.g. if you register to a secure SIP proxy or if you open a Action URL over HTTPS. Normally, you do not need to worry about the server identification. Snom phones do not verify server identities by default. From FW version 8.2.30 you can explicitly state to verify server certificates though. You can activate the feature on the certificates page of the web interface:
Please carefully enable the feature. The phone will reject all secure connections of peers offering an unknown certificate that could not be verified by one of build-in CA's of the snom phone. Please refer to the Certificate Authorities tab to see which authorities are supported by the phone. Due to security concerns, you can only disable the feauture by resetting the phone to the factory defaults.
Certificates Management
A known issue in SNOM products is that they cannot follow the key chain. So you will always manage new remote certificates as exceptions, no matter if their issuer's CA is loaded in SNOM or not. We can examine some everyday cases in certificates management.
Adding Unknown Certificates
The phone will reject a connection This is the most generic case you can get, as every new certificates got by your SNOM would be flagged as "unknown", thus requiring your explicit approval (which is not such a bad thing). You'll notice something is wrong eith your SNOM phone because it would reject connection to your
if it could not verify the identification with the delivered certificate from the serverits identification by its certificate. A notify would appears on the screen:Brand brand server
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A certificate is trusted if its signature is signed by a certificate authority. Snom has pre-installed a couple of CA's which are listed on the Certificate Authorities tab of the Certificates page.:
All rejected certificates are listed in the Unknown Certificates tab.
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If you persist on trusting the identification you can add it as an exception (cfr
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Henceforward, the certificate is listed in the Server Certificates tab and a connection to this identification is no longer rejected. Currently, this is the only way to add unknwon server certificates to the phone.
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When a certificate is upgraded on Privateserver
When a If one certificate is upgraded or change was performed on your
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Manually Uploading Certificates
In admin mode, you can manually upload certificates in the Unknown Certificates tab. Every attempt to upload a unknown certificate will fail. Please refer to the log and assure your certificate is in DER format and is either signed by one of phone's authorities or server certificates.
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