https://wiki.kptree.net/ 2026-09-10T03:09:09+00:00 https://wiki.kptree.net/ https://wiki.kptree.net/_media/wiki:dokuwiki.svg text/html 2025-05-24T13:09:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/linux_router:wireguard?rev=1748092165&do=diff linux router vpn wireguard docker qr_code qr Wireguard VPN access from WAN to LAN I use a Docker instance for my Wireguard server now. I use 2 forms of vpn (virtual private network) on my home server. * VPN to gain remote secure private access to my home LAN from the WAN (internet). This is the one I am describing here. text/html 2025-03-02T07:31:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/linux_router:nftables?rev=1740900680&do=diff linux router nftables firewall NFTables Configuration The best reference for nftables is at the dedicated wiki wiki nftables. Some other references I found nftables router. The reference at stosb is good, but not for a router Explaining My Configs: nftables. Nftables Cheatsheet After a lot of experimenting the following is my NFTables router configuration file. Create the following file called: text/html 2022-01-16T03:37:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/linux_router:nftables_control?rev=1642304220&do=diff linux nft nftables nmap NFTables IP Control I primarily set this feature up to act as a form of parental control on my home internet access. Disable Range of IP addresses, with count-down timer The DHCP assigned addresses in the range 100 - 254 were to be disabled (dropped) in the evening. The addresses below 100 were assigned a specific IP address in the DHCP based upon MAC. text/html 2025-10-14T05:59:15+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/linux_router:misc?rev=1760421555&do=diff linux router monitor links darkstat glances ntopng iftop nethogs Router Miscellaneous Monitoring There are a number of linux monitoring packages available. See these links for more examples see, 13 Linux Performance Monitoring Tools – Part 2, and 30 Linux System Monitoring Tools Every SysAdmin Should Know. Below are a few that I have tried and use. iftop iftop - display bandwidth usage on an interface by host Use text/html 2025-11-30T10:55:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/linux_router:network?rev=1764500119&do=diff linux debian ubuntu router network netplan interface vlan ipv6 ip Debian Server Network Setup Debian Network - Server Interface Setup As of Debian 10 (Buster) Debian still by default uses this interface Setup. It can be setup to use netplan inface. Ubuntu (as of version 14.04) defaults to Predictable Network Interface Names, also see Systemd Docs. I have no problem with this. In any case, you should always check dev names and not assume names, such as text/html 2024-09-21T12:10:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/linux_router:ppp?rev=1726920633&do=diff linux router pppoe pppoed isp mtu dns dhcp ISP PPPoE Network Setup A reasonably comprehensive discussion on Ubuntu forums Setup Ubuntu Server as a router using a PPPoE connection, MTU and TCP MSS when using PPPoE. Also from Ubuntu forums How to Optimize your Internet Connection using MTU and RWIN. Ubuntu documentation ADSLPPPoE. PPPD manual page. Another reference is Confirm Blog Using PPPoE on Linux. Some other references: * Connecting to NBN HFC with a linux router] Internode router set… text/html 2025-01-04T10:36:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/linux_router:ipoe?rev=1735987016&do=diff linux router bridged modem isp ipoe mtu dns dhcp ISP IPoE DHCP Setup Notes Notes on Setting up a Linux router for IPoE DHCP. old, tldr; After a few years of reasonable successful use of bridged VDSL modem with Linux Router running pppoe and nftables my ISP informed me that they do not use authentication on the connection with username and password. In fact they mention they used dhcp IPoE as well as PPPoE. I set up my spare modem as they described and it worked straight way. When I tried my… text/html 2024-12-15T03:35:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.kptree.net/linux_router:dns_dhcp?rev=1734233746&do=diff linux router dns dhcp bind ip ipv6 radvd host dig nslookup DHCP / DNS Setup Outdated I have moved my DNS and DHCP servers to Docker, Docker-DNS Server. I am still using ISC_Bind9, but am now using ISC_Kea for DHCP as ISC_Bind is no longer supported as of 2022. tl;dr; Further to this I am not looking at backups for both these services on my local area network. Whilst these services worked reliably well, when ever I shutdown the the router with