On 17 Feb 2024 at 19:35, Alastair via stunnel-users wrote:
Date sent: Sat, 17 Feb 2024 19:35:17 -0800 To: stunnel-users@stunnel.org Subject: [stunnel-users] Dynamic DNS patches" <stunnel-users.stunnel.org> From: Alastair via stunnel-users stunnel-users@stunnel.org Send reply to: alstar@maybenot.work
Hi,
I'm running Stunnel on Linux. It needs to connect to a dynamic IP address (by domain name). The DNS is updated automatically. I noticed that the last time the address changed, Stunnel stopped working. A ping from the machine produced the correct address but Stunnel was using the old one.
Will a reload work?
When I've had that issue a systemctl restart stunnel has worked. That assumes you linux is starting it via systemctl. If you are starting it some other way, you would probable have to kill the current stunnel process and then start it again.
Believe it caches the dns address, so that is why it doesn't catch the change.
Options might be to use cron.hourly or cron.daily to restart the stunnel. Issue would be that if having an active stunnel connection going, might cause a problem?
Could probable have a script that checks the ip address to see if it has changed and only have it do a restart if it changed?
Good Luck.
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