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- DHCP / DNS Setup
- k. Whilst these services worked reliably well, when ever I shutdown the the router with DNS/DHCP serv... t I was running these services was totally lost when upgrading from Debian 11 to Debian 12, circa June... ese various notes. This setup was primarily written in 2017 and is based upon ISC Bind9 and ISC DHCP,... 192.168.1/24; 127.0.0.1; }; // listen-on-v6 { any; }; }; </code>++++ The forwarders sec
- Basic Netfilter Function Block Diagram
- === Both NFTables and IPTables use the [[https://en.wikipedia.org/wiki/Netfilter|Netfilter]] framewor... ==IPTables and Netfilter===== The following is taken from Digitalocean [[https://www.digitalocean.com/... er'' hooks which trigger them. Chains determine when rules will be evaluated. The names of the built-... tance, three tables have ''PREROUTING'' chains. When these chains register at the associated ''NF_IP_P
- TC - Traffic Control
- or Benchmarking CoDel and FQ CoDel]] *[[https://en.wikipedia.org/wiki/Tc_(Linux)|wikipedia TC]] A bi... Linux manual page]] *[[https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/con
- Router Configuration & Server Setup
- ms the following key features: - A gateway between different network areas - Restrict network tr... ll action and primary security action! This is often confused with NAT, NAT is additional to this! -... uster (10). I updated to Debian Bullseye (11). When I updated to Bookwork (12) the update failed. I then managed to corrupt the configuration files on the
- NFTables Configuration
- #202000/#F0F0E0>The $modem router interface has been assigned the IP address 192.168.5.2, as the modem... #202000/#F0F0E0>The $modem router interface has been assigned the IP address 192.168.5.2, as the modem... t protocols. I wanted a shared configuration between both so I chose this one, alternatively I could h... olor> ++ | \\ +<color #202000/#F0F0E0> This has been separately described in detail at the following l
- Router VM
- hines) on my Router hardware (2023-01). I have been reluctant to do this for a number of reasons. My... === In most cases details these packages can be seen at [[https://www.debian.org/distrib/packages|Debi... iki.qemu.org/Main_Page|QEMU]] is a generic and open source machine emulator and virtualiser, and is n
- IPv6 Setup Notes
- ===== *https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/networking_gui
- Linux Router Background
- ll. The reason for this taking so long were: *When I started the standard NFTable version in Ubuntu ... ith NFTables instead of IPTables, I effectively then waited for release of Ubuntu 18.04. By this time ... installation. My ISP sold their business on and when I tried my configuration with the new ISP it work... y static IP was not uniquely assigned to me. So when my PPPoE connection was lost, the IP address coul
- Router Hardware
- the various options for the router hardware, written in 2016. ++++tldr;| *A small ARM based machine... do not have more than one NIC and the NIC are often not full Gigabit. (To be fair this hardware may b... these is poor power consumption and large size, even an old server tends to use more than 30W at the w... icularly on the cheaper units, so care must be taken if you want to ensure more up to date hardware. T
- Router Miscellaneous
- Darkstat on Fedora]]. The darkstat output can then be seen on a web browser at ''192.168.1.1:667'' ---- ====glances==== * ''sudo apt install pipx'' ... hot key is 'h' which displays/hides the help screen__**// Below are the list of several hot keys. ... or per-CPU stats * h – Show/hide this help screen * t – View network I/O as combination * u – V
- Debian / Ubuntu Network Setup
- :0 inet static address 192.168.5.2/24 # Then LAN networks are eno2 eno3 eno4 in bridged mode b... g/bookworm/bridge-utils/bridge-utils-interfaces.5.en.html|/ bookworm / bridge-utils / bridge-utils-int... that the modem address is "http://192.168.5.1" when in bridge mode. The network must start-up the WA... s are setup in bridge mode as router LAN ports. When setup in bridge mode the 3 ports effectively act
- ISP IPoE DHCP Setup Notes
- m as they described and it worked straight way. When I tried my Linux router with bridge modem it no l... IP traffic is over Ethernet. This needs to be taken in context of ISP access PPPoE versus IPoE using ... 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:0... ER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 0c:c4:7a:9f:36:4c brd ff:ff:f
- NFTables IP Control
- The forward and nat chains refer to routing. # open ports refers to ports to open for input to this machine. # ssh is port 22 for SSH on both TCP and UDP... t we are not using yet. # set tcp_open_ports { # type inet_service; flags interv... ttp # https # } # set udp_open_ports { # type inet_service; flags interv
- ISP PPPoE Network Setup
- ps://samuel.kadolph.com/2015/02/mtu-and-tcp-mss-when-using-pppoe-2/|MTU and TCP MSS when using PPPoE]]. Also from Ubuntu forums [[https://ubuntuforums.org... authenticate. noauth # Makes pppd "dial again" when the connection is lost. persist # maxfail number... ace myusername@realm with the PPP login name # given to you by your provider. # There should be a matc