Whitelist an Individual's IPv6 Range via .htaccess
IPv6Quest asked: I have a section on a website that blocks access to all IPs, except for those that are whitelisted. For IPv4, this is very simple, because even with …
IPv6 firewall on Linux router
Syn Romana asked: I have IPv6 tunnel (he.net) on my NAT router. I also have a simple firewall and routing setup to allow hosts behind the router to use IPv6 …
Gmail rejects messages from new exim4 setup
Николай Шехавцов asked: I have problem with delivering mails to GMail from a new server setup with configured exim4. Messages sometime passed to gmail spam folder. But sometimes it rejects …
Postfix: What is the meaning of the non-loopback IPv6 addresses in the default value of mynetworks configuration parameter?
ARX asked: On Postfix 3.1.0, postconf -d mynetworks prints: mynetworks = 127.0.0.0/8 192.168.1.0/24 [::1]/128 [fd6f:721b:f2ec::]/64 [fe80::]/64 What do the last two elements in the list, [fd6f:721b:f2ec::]/64 [fe80::]/64 represent? They are …
OpenVPN leaks IPV6 in Ubuntu but not in android
J. Polo asked: First of all I would like to say that I am a complete beginner in this topic. I have been trying for several hours to allow my …
IPv6 Gateway outside network (OVH)
Lenne asked: We a dedicated server at OVH, assigned 2001:41d0:a:72xx::/64 I have set the machines on a segment bridged to the wan, as per IPv6 public routing of virtual machines …
How to configure already statically routed IPv6 block on CentOS 7
Dr.H asked: My question is very simple yet I didn’t find a solution, probably because of my lack of networking knowledge. I have a dedicated server and I manipulate it …
how can so called "unallocated" IP adresses appear in web logs?
aCOSwt asked: My server is currently experiencing some web app attack to which miscellaneous IPv6 addresses are participating. Several of these addresses are said belonging to so called unallocated networks …
Setting up IPSec/Firewall for printer with ipv4 address, allowing ipv6
jru asked: I have an HP P4014dn printer with a publicly accessible static IPv4 address. It’s also enabled with a link-local FE80 IPv6 address. I’ve setup the IPSec/Firewall settings to …
Setup IPv6 on CentOS 7 in a ESXi-VM by OVH
Tobias asked: Yesterday i orderd a new dedicated server at OVH for a small network with virtual machines powered by ESXi. Today i created my first VM with CentOS 7 …