As I using Application control feature on Sophos UTM 9.605.
I got an issue with Line messenger(PC) after do upgrade this software to version 5.19, It doesn't show any pictures during opened behind firewall network.
Tried to figure out, I found Line application accessing to these URLs below
a104-103-68-203.deploy.static.akamaitechnologies.com https SYN_SENT
a184-50-28-92.deploy.static.akamaitechnologies.com https SYN_SENT
a184-50-29-13.deploy.static.akamaitechnologies.com https SYN_SENT
a23-194-37-164.deploy.static.akamaitechnologies.com https SYN_SENT
a23-194-37-43.deploy.static.akamaitechnologies.com https ESTABLISHED
a23-213-140-182.deploy.static.akamaitechnologies.com https ESTABLISHED
a23-221-80-234.deploy.static.akamaitechnologies.com https SYN_SENT
a23-53-163-24.deploy.static.akamaitechnologies.com https SYN_SENT
a23-194-40-105.deploy.static.akamaitechnologies.com https ESTABLISHED
Assume server changes and have more than this, then it made some of pictures still not show.
So how can I setup the firewall rules to make Line app working properly? Thank you.
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