Don't want to go off topic, but if I want to prevent my website going down because of stuff like this in the future, will having back up DNS entries solve the problem? I know DNS will fall back if it can't reach a service, but would a 502 trigger that?
Cloudflare Network Performance Issues
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If you received a HTTP 502 then DNS must've already resolved. Browsers typically will do a DNS lookup, and then try establishing a TCP connection to one of the returned hosts. Its only if it can't establish a TCP connection to a host will it (sometimes) try another host from the DNS response.
Re: Cloudflare Network Performance Issues
#62Pagerduty’s main website seems to be affected.
Re: Cloudflare Network Performance Issues
#63Don't want to go off topic, but if I want to prevent my website going down because of stuff like this in the future, will having back up DNS entries solve the problem? I know DNS will fall back if it can't reach a service, but would a 502 trigger that?
No, I don't believe it would.
Re: Cloudflare Network Performance Issues
#64was hoping John Graham-Cumming would be in here to give us the behind scenes :(
Re: Cloudflare Network Performance Issues
#65Can someone from Cloudflare give us a hint at what's going on?
Re: Cloudflare Network Performance Issues
#66July 2nd, 2019... The day the internet broke.
Re: Cloudflare Network Performance Issues
#67Don't want to go off topic, but if I want to prevent my website going down because of stuff like this in the future, will having back up DNS entries solve the problem? I know DNS will fall back if it can't reach a service, but would a 502 trigger that?
No, you'd need to use an application-aware DNS provider like Route 53 that could detect the failure.
Backup DNS entries won't help, what you need is to use multiple DNS providers and add them all to your NS records
Re: Cloudflare Network Performance Issues
#68Re: Cloudflare Network Performance Issues
#69So it seems... Even https://cloudflare.com/ itself is down
More importantly, their admin dashboard is down. It's impossible to bypass their "orange cloud" proxies and send traffic directly to our hosting. That they can't flip a switch and have their nameservers send dash.cloudflare.com to a separate piece of redundant infrastructure is mind-boggling.
Re: Cloudflare Network Performance Issues
#70This seems to be impacting NPM for me.