Recent Questions - Server Fault

Referencing this: https://crypto.stackexchange.com/questions/72297/recommended-key-size-for-dkim

What I get from this is (at the time) DNS providers (usually) allow for up to 1024 bit keys but not 2048 bit. Now, my provider does let m...

I have to validate whether my router's QOS policies are working correctly.I have come up with an approach to tag the packets with DSCP values using IPTABLES.

Can anyone confirm whether my approach is correct?If not please provide your help to correct the same.

IPta...

I have set up nginx to reverse to several OLD APC webadmin http pages with no issues. when i used modern things like homeassistant things start getting stupid. i am currently getting a 400 error for home assistant with the same config i have for the apc's i am not seeing any thing obvious in the logs. though I am new to nginx so im not sure what im looking for.

upstre...

I have deployed four vms.

I have setuped the environment for voip.

Is it ok, and can I learn the voip engineer skills locally.

I am wondering how feasible it is to send email with a DKIM-only setup, with an SPF record of v=spf1 -all.

If my DMARC policy requires DKIM alignment then recipients who understand DMARC will still accept my mails. Recipients who don't do DMARC but do process SPF would reject them. Is anything known about how common such recipients are in the real world?

I suppo...