Geoip blocking using nftables
Since iptables are deprecated and most Linux distributions now supports nftables, I have added nftables format to my country IP lists. This lists can be… Read More »Geoip blocking using nftables
scripts
Mikrotik Letsencrypt SSL certificate using new cloud-dns challenge feature
RouterOS version 7.16 changelog mention this new feature
certificate - added support for cloud-dns challenge validation for sn.mynetname.net (CLI only);
But there is no documentation yet. How this feature works? Let’s find out.
Read More »Mikrotik Letsencrypt SSL certificate using new cloud-dns challenge featureCountry IPv6 ranges
Many comments in http://blog.erben.sk/2014/02/06/country-cidr-ip-ranges/ was about IPv6 support.
Reset USB device in linux
I had old UPS with serial port which was connected using Profilic USB to serial adapter. Sometimes this USB dongle had frozen and need to be restated – re-attached. This can be done in linux using IOCTL.
Read More »Reset USB device in linux
Generating country IP ranges lists #2
My original article about this topic is more that year old and was using Regional Internet Registries (RIRs) list as source and was in python. This post will describe other simple solution how to generate some country IP ranges list.
Generating country IP ranges lists
There are many sites providing country blocklists, for example http://www.ip2location.com/free/visitor-blocker or https://www.countryipblocks.net/. When you want periodicaly update such list, you have problem. You need pay for that service for automated access, actual data or “hack” access to that service (abuse their free access conditions)…