8/11/2023 0 Comments Rpi wipefsFrom the ingress’ perspective, http traffic will reach your home server directly. ![]() With this setup, you can use Kubernetes ingresses normally. However, if your ISP blocks direct traffic to those ports, its possible to use a remote server and SSH tunneling to bypass that limitation. Ideally, you would be able to open ports 80 and 443 of your public IP address and update DNS entries with solutions like ddclient or DNS-O-Matic. Kubernetes homelab raspberry-pi server-side Now, block everything else on ports 80 and 443. Ip6tables -I INPUT -p tcp -m multiport -dports http,https -s 2c0f:f248::/32 -j ACCEPT Ip6tables -I INPUT -p tcp -m multiport -dports http,https -s 2a06:98c0::/29 -j ACCEPT Ip6tables -I INPUT -p tcp -m multiport -dports http,https -s 2405:8100::/32 -j ACCEPT Ip6tables -I INPUT -p tcp -m multiport -dports http,https -s 2405:b500::/32 -j ACCEPT Ip6tables -I INPUT -p tcp -m multiport -dports http,https -s 2803:f800::/32 -j ACCEPT Ip6tables -I INPUT -p tcp -m multiport -dports http,https -s 2606:4700::/32 -j ACCEPT Ip6tables -I INPUT -p tcp -m multiport -dports http,https -s 2400:cb00::/32 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 198.41.128.0/17 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 197.234.240.0/22 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 190.93.240.0/20 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 188.114.96.0/20 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 173.245.48.0/20 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 172.64.0.0/13 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 162.158.0.0/15 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 141.101.64.0/18 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 131.0.72.0/22 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 108.162.192.0/18 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 104.24.0.0/14 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 104.16.0.0/13 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 103.31.4.0/22 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 103.22.200.0/22 -j ACCEPT Iptables -I INPUT -p tcp -m multiport -dports http,https -s 103.21.244.0/22 -j ACCEPT Official specification of the Fetch standard for preflight requests Even objects that only manage paths inside domains will work with them, so there’s no need to enable CORS on the entire domain if you don’t feel like it. ![]() To manage CORS headers on Ingress Nginx, you may use these annotations on Ingress objects. In this case, the header has to mention the origin domain explicitly. If it does, the preflight will be considered a failure by the browser. One extra catch here is that this last header cannot present the value * when the main request contains authentication information (like cookies). the response contains these headers: Access-Control-Allow-Methods, Access-Control-Max-Age and Access-Control-Allow-Origin.the HTTP status on the response is within 200-299.H "Access-Control-Request-Headers: origin, x-requested-with" \įor a preflight request to be considered successful, all of the following must be true: H "Access-Control-Request-Method: POST" \ When having problems with this process, you may see an error similar to this on your Chrome console: This determines if the browser will execute the main request or not. However, if you have a frontend application running on your browser with a domain like, let’s say, API calls directed to different domains, like, will be preceded by a preflight request. ![]() Therefore, it’s unlikely that you will face issues with it while working with libraries like Python’s Requests or CLI tools like curl. The concept seems deceptively simple, but the devil is in the details.įirst of all, its important to understand that CORS compliance is an optional standard and is mostly enforced by browsers, like Chrome, Firefox and Safari. If you’re anything like me, however, you had your fair share of wasted work hours trying to deal with it from time to time. CORS) is a powerful, and yet misunderstood, web standard for protecting web APIs from abuse.
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