Comments (3)
It changes the port that would be used on the server for listening for TLS requests. It's only useful if you need to listen on a non-standard port (e.g. 8443 because you don't have sudo
and can't bind to low ports) while mapping incoming connections on 443 to that port (using router port forwarding from 443 -> 8443, for example).
In other words, no, this isn't useful for accepting TLS-ALPN challenges on a non-standard port, it's just a way to control the listeners created automatically by certmagic.
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I understand, this parameter just tells CerMagic which port it should listen on, but port 443 will still be requested for the acme challenge;
The difference is that this is to put the CertMagic application behind the firewall, we can use port 443 externally Traffic is mapped to the AltTLSALPNPort.
from certmagic.
Yeah, the external port must still be 443. If you forward or map port 443 to something else like 8443 with your router or firewall then you'd put 8443 as the AltTLSALPNPort
.
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Related Issues (20)
- Certificate Import HOT 16
- Add proxy option for OCSP stapling requests HOT 6
- Ability to disable logs with `no information found to solve challenge for identifier` HOT 3
- Config option for what the Caddy ask endpoint protects / DecisionFunc HOT 2
- Can DNS be used alongside ALPN? HOT 5
- How to manually issue a certificate HOT 3
- Is FallbackServerName still experimental? HOT 3
- Question: How to issue wildcard certificates rather than exact subject name in OnDemand? HOT 5
- FileStorage Delete doesn't delete non-empty directories HOT 7
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- Looking for cause and solution to "config returned for certificate is not nil and points to different cache" error returned in cache.go HOT 3
- Allow Certmagic to generate 'next' private key to allow safe TLSA/DANE deployment and rollover HOT 5
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- Do calls to storage Load need to be Lock protected? HOT 5
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- Allow specific issuers for specific on-demand domains HOT 7
- Make field names consistent
- Corrupted metadata JSON files caused by bug #297 HOT 1
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