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 …
GCP Firewall and IPv6 address support?
sirkus7 asked: Although the GCP documentation claims that IPv6 addresses are supported when making firewall rules (https://cloud.google.com/vpc/docs/firewalls) I can’t seem to make it happen. From this doc: Firewall rules support …
systemd network ipv6 gateway is not set up
Stargateur asked: Cross posted on github I don’t understand why my systemd network config doesn’t set up ipv6 gateway route, XXX.XXX.XXX.XXX and YYYY:YYYY:YYYY:YYYY:: are always the same ip. My server …
nginx listening on ipv6, but for some reason websites won't load
Andrew Newby asked: I’m trying to get ipv6 working on nginx (nginx/1.19.6) for SSL. In my domain configs I have: server { listen 93.93.135.169:443 http2; listen [::]:443 http2; server_name backups.myserver.com; …
Basics of moving from NAT ipv4 to no-NAT ipv6
JMain asked: Imagine a ipv4 setup like this, only on a much larger scale: 10.0.0.1 = Nat Router 10.0.0.2 = Business Server A 10.0.0.3 = Business Server B 10.0.0.4 = …
Why NDP doesn't work on virtual ethernet interface for packets arriving from outside?
Malgond asked: I am moving some of my services (SMTP, IMAP, etc.) into systemd-nspawn containers for better isolation, so I need to make some connections coming from outside redirected to …
What IPv6 Should I use
Nathaniel Sturtz asked: I have multiple IPv6s I need to know what works, on my network they all work, but I need to know what to use for my AAAA …
How to change hop limit of IPv6 in Linux?
caveman asked: net.ipv6.conf.all.accept_ra_min_hop_limit = 1 net.ipv6.conf.all.hop_limit = 65 net.ipv6.conf.default.accept_ra_min_hop_limit = 1 net.ipv6.conf.default.hop_limit = 65 net.ipv6.conf.enp0s25.accept_ra_min_hop_limit = 1 net.ipv6.conf.enp0s25.hop_limit = 65 net.ipv6.conf.lo.accept_ra_min_hop_limit = 1 net.ipv6.conf.lo.hop_limit = 65 net.ipv6.conf.wlp7s0.accept_ra_min_hop_limit = 1 net.ipv6.conf.wlp7s0.hop_limit …