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Wireguard VPN access from WAN to LAN
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to routing.</color>\\ <tab6><color blue> # open ports refers to ports to open for input to this machine.</color>\\ <tab6><colo... ssigned in the 100-254 range. The chains below then limit traffic speed into / out of these IP addresses. This has been separately described in detail at the following l... ivate and public key can be made in the app and then the public keys manually transferred between the app to the server. This is where it can get ... nft list table ip nat -a'' * To add a set tcp_open_ports in inet firewall: ''sudo nft add set inet firewall tcp_open_ports{type inet_service \; flags interval \;}''
Router Miscellaneous
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for a /48 IPv6 prefix ?]] *Wikipedia [[https://en.wikipedia.org/wiki/IPv6|IPv6]], [[https://en.wikipedia.org/wiki/IPsec|IPsec]], [[https://en.wikipedia.org/wiki/Domain_Name_System|DNS]], [[https://en.wikipedia.org/wiki/Dynamic_Host_Configuration_Pro
NFTables Configuration
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to routing.</color>\\ <tab6><color blue> # open ports refers to ports to open for input to this machine.</color>\\ <tab6><colo... ssigned in the 100-200 range. The chains below then limit traffic speed into / out of these IP addresses. This has been separately described in detail at the following l... nections through. If the connection has already been established, it probably means it was already all... 000/#F0F0E0> The incoming WAN packets that have been preroute dnat to the http server IP address to be
Basic Netfilter Function Block Diagram
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t and any response traffic are routed. This is often used to route packets to networks when direct access is not possible. ===The Mangle Tab... the representation below, the ''nat'' table has been split between ''DNAT'' operations (those that alter the destina... eded and will add new connections to the system when necessary. Packets that have been marked with the ''NOTRACK'' target in one of the ... cking. *''SNAT'': This is a virtual state set when the source address has been altered by NAT operations. This is used by the co
DHCP / DNS Setup
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erial number, which is used to ; keep track of when the zone file was modified, and then some interval ; which you can leave as default. ... Some external resources: * Wikipedia: [[https://en.wikipedia.org/wiki/Split-horizon_DNS|Split-horizon DNS], [[https://en.wikipedia.org/wiki/Split_horizon_route_advertisem... Reload rndc: ''sudo rndc reload'' * zytrax.open [[http://www.zytrax.com/books/dns/|DNS for Rocket... y is BIND re-priming the roots from hints more often than it should?]], * [[https://ftp.isc.org/i
Router Hardware
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ter 8 core [[https://www.intel.com/content/www/us/en/products/sku/231805/intel-core-i3n305-processor-6... *USB Ports: 2 x USB-A 3.0(5Gbps), 1 x USB-C 3.2 Gen2(10Gbps) *Display: HDMI 2.0 and Type-C display... red. If it had not failed I probably would have been able to continue to use as my router for a few mo... the various options for the router hardware, written in 2016. *A small ARM based machine, e.g. Ras
NFTables IP Control
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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 S... 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... counter accept # allow tcp/udp open ports # tcp dport @tcp_open_ports counte
Router Configuration, Switch & Server Setup
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across the KVM virtual storage setup and can be then setup as normal. When setting up Ubuntu below are some the of keypoints... * If accessing the equipment via a web browser, open a new page and ensure that the page is open directly not from cache. <- linux_router:hardwa
Wifi Router / Access Points
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ifi speed is also very sensitive to distance between the wifi router and the client and any walls in between. The wifi speed is also very sensitive to radio i... nse urban areas. I use to turn on my microwave oven and my wifi 2.4GHz connection would drop out! Th... ame mobility domain (i.e. faster authentication when you roam from one AP to another) 802.11k/v is ban... nfig/uhttpd| <code>config uhttpd 'main' list listen_http '0.0.0.0:80' list listen_http '[::]:80' li
Debian Server Network Setup
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re VLAN]]</fs> *<fs smaller>Wikipedia [[https://en.wikipedia.org/wiki/IEEE_802.1Q|IEEE 802.1Q]], [[https://en.wikipedia.org/wiki/IEEE_P802.1p|IEEE P802.1p]]</f
ISP IPoE DHCP Setup Notes
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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
TC - Traffic Control
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omeone on your network starts a large download. When a router’s outgoing queue fills up, every packet ... d traffic shaping into a single qdisc. CAKE has been in the mainline kernel since 4.19, so no extra ke... freezing mid-sentence and game ping stays flat even during large transfers. ====Monitor CAKE statist... or Benchmarking CoDel and FQ CoDel]] *[[https://en.wikipedia.org/wiki/Tc_(Linux)|wikipedia TC]] A bi
Router VM
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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
Linux Router Background
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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
ISP PPPoE Network Setup
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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://... 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... mon-reload'' to update systemd for new service. Then ''sudo systemd disable pppoe'' to disable this se