Collaborate Disseminate
Some sites such as Talos, Abuse and the aggregator FireHOL provide the community with some lists of rogue and malicious IPv4 addresses and subnets.
Could anyone share some similar freely available URLs regarding IPv6 ranges?
I’m aware of t… Continue reading IPv6 blocklists [closed]
On Ubuntu kinetic, I get multiple DENIED operations by apparmor in /var/log/syslog such as:
operation="create" class="net" info="failed type and protocol match" error=-13 profile="/usr/sbin/cupsd" co… Continue reading How to allow an apparmor profile to create a unix socket
The aim is to get rid of all personal online passwords by being able to login into any online account with just a FIDO2 compatible security key such as a Yubikey 5.
Right now, none of the following major websites supports FIDO2-compatible… Continue reading Using a FIDO2 compatible security key to replace all online passwords [closed]
Ubuntu (focal 20.04)
Using Google webdesigner apt repository in /etc/apt/sources.list.d/google-webdesigner.list:
deb [arch=amd64] https://dl.google.com/linux/webdesigner/deb/ stable main
leads to:
# wget -q -O – https://dl.google.com/… Continue reading The following signatures were invalid: EXPKEYSIG 6494C6D6997C215E Google Inc despite correct signing key
Ubuntu 20.04
iptables 1.8.4-1
I experienced a situation where a remote system seemed to be able to slip through the first iptables rule of a Linux server located behind a NAT router:
-A INPUT -s <remote_ip_addresses_ran… Continue reading Has a remote rogue DNS client managed to slip through the first iptables rule of a Linux DNS server?