After upgrade Thunderbird 52.4 to 52.6 - calendar could not connect to CalDAV server adressed as: https://x.x.x.x:5006/ login widows pops many times
I have in office all users working with Thunderbird Ligtning callendar synchronised with Synology CalDAV server. CalDAV is configured on adres https://x.x.x.x:5006/ where x.x.x.x is public IP adress. By now all worked fine with Thunderbird 52.4. After upgrade to 52.6 calendar clients are not synchronising - login windows pop up many times and calendar has yellow triangle. If I change connection adress to local network adres https://y.y.y.y:5006/ of this same CalDAv server it is works fine (but onlu in LAN. I have try to upgrade to 52.7 and Ligtening 5.4.7 - still not work on public IP. Interesting is, that for new computer afer installation new Thunderbird 52.7 and Ligtening 5.4.7 everything is OK.
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Is there any firewall/security software? Make sure it isn't blocking Thunderbird.
christ1 said
Is there any firewall/security software? Make sure it isn't blocking Thunderbird.
Do You really think that firewall can recognize Thunderbird version? In version 52.4 and 52.7 everything is ok (IP and port address still the same)
