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XG blocking Synology

Our Synology NAS' are no longer able to connect to internet for eg Software updates and MS365 backups.

We made allow all from NAS to Wan and allow all web rule.

XG logs shos DNS and NTP traffic .. Also we can ping from the NAS to internet..

But if we from the NAS web interface try to download software we get 'connection error. check your DNS and time settings'

If we place one NAS behind a simple DSL router connection is fine. But fails behind XG.

Any ideas?

Thanks

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0 rfcat_vk over 4 years ago

Hi,

what are the web and application settings in your nas allow all rule?
ian
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0 jkm005 over 4 years ago in reply to rfcat_vk

Hi, thanks

Source LAN,NAS device

Destination WAN, Any network, Any service

Web policy set to Build in 'Allow All'
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0 rfcat_vk over 4 years ago in reply to jkm005

Please post a copy of the rule in expanded form.

ian
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0 jkm005 over 4 years ago in reply to rfcat_vk

Here you go. Very basic rule
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0 rfcat_vk over 4 years ago in reply to jkm005

Thank you for the Prompt response.

now if you check logvierwer with filtering in this rule what transactions do you see?
ian
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0 jkm005 over 4 years ago in reply to rfcat_vk

I only see DNS and NTP
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0 rfcat_vk over 4 years ago in reply to jkm005

So, where the nas update requests going? Please do logviewer based on the nas ip.

ian
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0 jkm005 over 4 years ago in reply to rfcat_vk

Thanks. That's the question ... I don't know - this is log based on IP. Exactly the same
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0 rfcat_vk over 4 years ago in reply to jkm005

Do you have an mute mismatch which the dsl router ignores?
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0 jkm005 over 4 years ago in reply to rfcat_vk

? don't know ?

How to check for that?
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0 rfcat_vk over 4 years ago in reply to jkm005

Hi,

have a look at logviewer system.

mtu size of the nas interface should be set in the nas networking GUI.

ian
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0 jkm005 over 4 years ago in reply to rfcat_vk

Sorry didn't read it as MTU at first

Indeed there was a mismatch but even after correcting, still no internet access
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0 jkm005 over 4 years ago in reply to rfcat_vk

Sorry didn't read it as MTU at first

Indeed there was a mismatch but even after correcting, still no internet access
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