Redirect from www.mydomain.io to mydomain.io

Traefik Traefik v1
1

Hi,
I have an ingress configured with host : domain.com.
Can I redirect everything from the URL https://www.domain.com to https://domain.com ?

Thanks

2

Hello @nowel.hermans,

What version of Traefik are you using?

3

Hi @daniel.tomcej ,

I am using traefik:1.7.19.
I found something that "nearly" works:

I use the following annotations:
ingress.kubernetes.io/force-ssl-redirect: "true"
ingress.kubernetes.io/redirect-permanent: "true"
ingress.kubernetes.io/redirect-regex: ^https://(mydomain.io|www.mydomain.io)/?(.*)
ingress.kubernetes.io/redirect-replacement: https://mydomain.io/$2
ingress.kubernetes.io/ssl-host: mydomain.io
ingress.kubernetes.io/ssl-redirect: "true"

Expected behaviour would be:
https://www.mydomain.io -> https://mydomain.io
But I get this:
https://www.mydomain.io ->. https://www.mydomain.io. -> hit refresh -> https://mydomain.io
Which means opening the URL does not redirect from the first time, I need to perform a refresh (Cmd-R) in order to get redirected to the correct URL.

Any idea ? Or Traefik v2 would solve this issue more easily ?

Many thanks,

4

Hello @nowel.hermans,

your regex here:

ingress.kubernetes.io/redirect-regex: ^https://(mydomain.io|www.mydomain.io)/?(.*)
ingress.kubernetes.io/redirect-replacement: https://mydomain.io/$2

Looks like it matches https://mydomain.io/foo and redirects it to https://mydomain.io/foo, which browsers will probably not process immediately due to redirect loops.

Try using: ingress.kubernetes.io/redirect-regex: ^https://(www.mydomain.io)/?(.*) instead, as it will only match on www.

5

Hello @daniel.tomcej ,

That fixed my issue ! And it make perfect sense to do it this way.

Many thanks for your help

6

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