Help getting mimecast app

asked 2020-01-09 17:22:32 +0000

Hi everyone need some help getting the mimecast app to work on our WIFI. For whatever reason it will not work in our wifi. I need some help deciphering the packets. I cant post it here since my karma is low.

https://www.dropbox.com/s/16esrq02vq7...

answered 2020-01-09 19:12:04 +0000

SYN-bit

18344 ●9 ●301 ●255 https://SYN-b.it

Your capture file is showing SYN packets to 124.47.150.19 (protect-au.mimecast.com) which do not get a SYN/ACK answer. Since TCP connection can not be set up, you are not able to communicate to the mimecast server.

There can be several reasons why you are not able to connect to the mimecast server:

The server was not available at the time you tried
Some device was blocking the traffic to the mimecast server (maybe a firewall)
There was a routing issue for this specific IP address
etc.

Can you connect from another network for instance?

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If we leave the WIFI network we are able to proceed just fine. Only when we are connected to wifi it doesnt seem to work on our mobile phones.

bigperm ( 2020-01-09 19:20:23 +0000 )edit

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