Freedom through Communications
Browsing Tag
John asked: I’ve got an issue with an exchange 2013 server. Any mail being sent to a gmail recipient is rejected due to IPv6 issues, with the following bounceback… mx.google.com …
mcr asked: I’m looking for a tool, very much like rdisc6, that will, having received the RA, will configure the v6 address(es) on an interface using a static IID. This …
DerPeer asked: I’m running an Apache 2.4.29 web server with virtual hosts, of which some are publicly available, other shall only be accessible via local network. I have IPv6 up …
Philip Couling asked: It is fairly standard to receive a significant number of minor hacking attempts each day trying common username / passwords for services like SSH and SMTP. I’ve …
TommyPeanuts asked: I have a server running Ubuntu 16.04 with an application that only needs outgoing connections for package updates and NTP time syncing. It has a dynamic IPv6 address …
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 …
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 …
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 …
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 …
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 …