how can i disable ip forwarding from ipv6 to ipv4
Myra Sewitz asked: i have ipv4 and ipv6 addresses on my network card, when i send a request with curl i want only the respective ipv4 or ipv6 to be …
How to better understand IPv6 to block requests
Dani asked: With IPv4, whenever I realize any strange requests coming to my server I can easily block the IPv4 from further requests (I can block on my iptablets, or …
All Outbond Traffic Uses IPV6
Ruby asked: I have a Debian 10 server which has postfix installed, each time I try to send outbond traffics, the server uses IPV6 over IPV4. This causes postfix to …
My public IP is IPv6, but I thought I had a static IPv4
Tyler Durden asked: I have a commercial, small business service from COMCAST which includes I think 4 or 5 static IP addresses. I have one computer that is wired directly …
Add range of IPs to a firewalld zone
Pickledegg asked: I’m struggling with the syntax for the following. If I want to add a single IP to a zone, I do this: firewall-cmd –zone=drop –add-source=134.119.193.63 But, how would …
How many anycast ips can be created per /24 net?
Florian asked: How many anycast ips can I create with one ipv4 /24 net? I know I need a whole /24 net to do anycast, but how many of those …
Why would I pick IPv4 or IPv6 for SSH access?
Moshe asked: I’m setting up a Linode server and the Getting Started security guide suggests disabling ssh access over either IPv4 or IPv6 so that I only have one of …
Prefer IPv4 incoming connections over IPv6
Dan Dascalescu asked: We run a social/local service that benefits from geolocating the IP of users. The problem is that with IPv6, geolocation is quite a bit spottier than with …
American Users have wrong IP address geolocation
fpg1503 asked: In order to display the right content for my users I get their country based on their IP address. I have been receiving several reports from American users …
Windows translate external IPv6 to localhost IPv4
hammereditor asked: I have a machine running Windows server 2012, whose external IPv6 address is “2a01:4f8:190:7449::4”. Let’s assume it has no external IPv4 address, so the v6 address is the …