Category: Tech

simple conntrack based monitoring
github.com/jow-/nlbwmon

Use the macchanger command in a script in /etc/init.d
more… forum.openwrt.org/t/how-to-randomize-the-wan-mac-address-on-each-reboot/151791/11

A keen idea. If you lose access to your router. Have a script pre-configured to run on push of button. Script outputs troubleshoot data to local directory for later review. Idea could be expanded. How would you do it?
forum.openwrt.org/t/debug-general-information/164586

Something like this 0 5 * * * [ $(ifstatus wan | jsonfilter -e ‘@.uptime’) -lt 3650 ] || (ubus call network.interface.henet down;ubus call network.interface.wan down;sleep 1;ubus call network.interface.wan up;sleep 15;ubus call network.interface.henet up)
From forum.openwrt.org/t/abuse-warning-on-update-ddns-or-tunnel/163023/13

Here is a smashing trick. Routing problems can arise if Wireguard replace default route when up, then when it is down you may not have a default route.
So, Have your default route for 0.0.0.0/0
And then Wireguard routes split the full IP space in two. You have two routes that are more specific. That way when wireguard is up, the wireguard routes take preferences. When down, default route works.
uci set network.@wireguard_wgclient[0].route_allowed_ips=”0″ uci -q delete network.@wireguard_wgclient[0].allowed_ips uci add_list network.@wireguard_wgclient[0].allowed_ips=”0.0.0.0/1″ uci add_list network.@wireguard_wgclient[0].allowed_ips=”128.0.0.0/1″
Discuss it here forum.openwrt.org/t/help-config-wireguard-client/69132/13

All you need to do is disable DHCP
uci set dhcp.lan.ignore=1 or Network – Interfaces – LAN – DHCP Server – Ignore interface forum.openwrt.org/t/openwrt-as-dns-server/163458

The IP Reverse Lookup can return multiple domains for an IP.
There is also a query to check if an email is free or not.
A free API account is available, but after 250 requests it runs into a pumpkin and you must get a paid account.
viewdns.info/

HOME=${HOME:-/home/root} export HOME
This would set $HOME to /home/root unless it’s already set and not empty.
See Related:
unix.stackexchange.com/questions/521326/home-not-set-when-running-bash-from-rc-local

See the summary: socradar.io/top-5-cyberspace-search-engines-used-by-security-researchers/
sourceforge.net/software/compare/Censys-vs-FOFA-vs-Shodan/
cooltechzone.com/research/shodan-eye-is-not-that-big-as-one-might-think
www.researchgate.net/publication/348582896_A_Survey_on_Cyberspace_Search_Engines