topic Re: iMessage multimedia being blocked on Meraki wifi in Wireless

iMessage multimedia being blocked on Meraki wifi

davidblumberg — Thu, 17 Aug 2023 01:01:23 GMT

We are getting reports from users in different organizations that iMessage is getting blocked when sending images or videos when connected to Meraki access points. This is even with the client being whitelisted as well as turning off AMP/Content Filtering/etc as well as when the SSID is either using corp lan or meraki guest. Users have no problems sending via Whatsapp the same images/videos.

Re: iMessage multimedia being blocked on Meraki wifi

aleabrahao — Thu, 17 Aug 2023 01:27:21 GMT

Do you have any firewall in your network?

Do you have any Layer 7 firewall rule configured on your SSID?

Give us more details about your network.

Re: iMessage multimedia being blocked on Meraki wifi

davidblumberg — Thu, 17 Aug 2023 01:38:35 GMT

Various MX's (MX68, MX75, MX95)...no layer 7 firewall rule. I had read something about making sure icloud wasn't blocked but issue is happening at several locations where networks are both flat layer 2 and layer 3 networks. It is just iMessage send/receive video and pictures. Setup local is MX95 connected to MS125 and MR46 AP with client whitelisted.

Re: iMessage multimedia being blocked on Meraki wifi

aleabrahao — Thu, 17 Aug 2023 01:41:32 GMT

If you don't have any firewall rule, the way is open a support case.

Re: iMessage multimedia being blocked on Meraki wifi

davidblumberg — Thu, 17 Aug 2023 01:42:46 GMT

Case is open, they have no idea right now and wanted to see if anyone else was having the same issue.

Re: iMessage multimedia being blocked on Meraki wifi

MerakiGnome — Thu, 17 Aug 2023 05:11:40 GMT

Hi @davidblumberg , out of interest do you get the same behaviour on both wired and wireless networks?

Re: iMessage multimedia being blocked on Meraki wifi

davidblumberg — Thu, 17 Aug 2023 15:01:13 GMT

So in talking with Meraki support it seems that subnet 17.250.96.0/22 is being associated to Taiwan for Apple and doing a correction with Maxmind to correct since they use them for geolocation. Weird thing they are still checking on is that whitelist is also being affected by Geolocation layer 7 rules.

Re: iMessage multimedia being blocked on Meraki wifi

DainBrammage — Thu, 17 Aug 2023 19:47:18 GMT

Check the AP's firewall.... and AP group policies... If MX, also make sure no policy is applied to the actual MX interface.

Re: iMessage multimedia being blocked on Meraki wifi

4TireFire — Fri, 18 Aug 2023 15:17:59 GMT

We had to add Taiwan to our allowed countries list in the MX. iMessage pictures sent immediately.

Re: iMessage multimedia being blocked on Meraki wifi

davidblumberg — Fri, 18 Aug 2023 16:17:51 GMT

You can use MaxMind to determine location:

https://www.maxmind.com/en/geoip-demo

This is what Meraki uses, I did get confirmation that it will be corrected to USA on their next update cycle next Tuesday