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Debian Server Network Setup

120 Hits, Last modified: 10 months ago

twork configuration *Use ''sudo journalctl -xeu networking'' (''sudo systemctl status networking'') to check any errors on networking *This also brings up dhclient request... yaml.old /etc/netplan/50-cloud-init.yaml #mv /etc/netplan/network.yaml /etc/netplan/network.yaml.old ln -sf /etc/nftables.conf.orig /etc/... aml /etc/netplan/50-cloud-init.yaml.old #mv /etc/netplan/network.yaml.old /etc/netplan/network.yaml #mv /etc/netplan/50-cloud-init.yaml.old /etc/netplan/50-cloud-init.yaml #mv /etc/netplan/network.yaml /etc/netplan/network.yaml.old #ln -sf /etc/nftables.conf.orig /etc

Router Miscellaneous

86 Hits, Last modified: 12 months ago

cal usage: ''sudo iftop -i br0'' ====nethogs==== nethogs - Net top tool grouping bandwidth per process\\ Use ''m... [https://www.tecmint.com/darkstat-web-based-linux-network-traffic-analyzer/|Darkstat – A Web Based Linux Network Traffic Analyser]], is a relatively low resou... ker]] [[https://docs.docker.com/engine/userguide/networking/|Docker container networking]] [[https://stackoverflow.com/questions/2... se special addresses for private LANs (Local Area Network)s with NAT (Network Address Translation) used to connect the LANs

DHCP / DNS Setup

81 Hits, Last modified: 22 months ago

nterval ; which you can leave as default. kptree.net IN SOA router.kptree.net. root.kptree.net. ( 2019072101 ; serial 10800 ... ains. 168.192.in-addr.arpa IN SOA router.kptree.net. admin.kptree.net. ( 2017072101 ; ser... origin address. * ''sudo named-checkzone kptree.net /var/lib/bind/db.kptree.net'' for the forward zone file. If not using IPv6 b... oing raw network access CapabilityBoundingSet=CAP_NET_BIND_SERVICE CAP_NET_RAW # Set up a new file system namespace and mou

Basic Netfilter Function Block Diagram

34 Hits, Last modified: 2 years ago

IPTables use the [[https://en.wikipedia.org/wiki/Netfilter|Netfilter]] framework provided in the Linux kernal. N... de> The following is a basic block diagram of the Netfilter Filter and NAT (Network Address Translation) functions, which are the... community/tutorials/a-deep-dive-into-iptables-and-netfilter-architecture|A Deep Dive into Iptables and Netfilter Architecture]]. While it it is focus on ip... T Table=== The ''nat'' table is used to implement network address translation rules. As packets enter the network stack, rules in this table will determine whe

NFTables Configuration

31 Hits, Last modified: 19 months ago

address is 192.168.5.1, See [[https://wiki.kptree.net/doku.php?id=linux_router:network#ubuntu_network_-_interface_setup|network interface]].</color>++\\ <tab3>define <color... address is 192.168.5.1, See [[https://wiki.kptree.net/doku.php?id=linux_router:network#ubuntu_network_-_interface_setup|network interface]].</color>++\\ <tab3>define <color... oopback-to-forwarded-public-ip-address-from-local-network-hairpin-nat|Loopback to forwarded Public IP address from local network - Hairpin NAT]] The following commands provi... uter resources than snat This only affects local networks that use NAT which is basically mandatory fo

TC - Traffic Control

31 Hits, Last modified: 3 months ago

rrent default settings *''sudo sysctl -a | grep net.'' shows all the net. parameters, additional deeper filters net.core, net.ipv4, net.ipv6, net.mptcp, and net.netfilter. There are a few additionals not shown in deeper filters! *''sudo tc qdisc show de... ages/man8/tc-cake.8.html|tc-cake]] *[[https://netdevconf.info/0x19/docs/netdev-0x19-paper16-talk-paper.pdf|mq-cake: Scaling s... *[[https://lartc.org/howto/|HOWTO]] *[[https://netbeez.net/blog/how-to-use-the-linux-traffic-control/|How to

Wireguard VPN access from WAN to LAN

24 Hits, Last modified: 16 months ago

address is 192.168.5.1, See [[https://wiki.kptree.net/doku.php?id=linux_router:network#ubuntu_network_-_interface_setup|network interface]].</color>++\\ <tab3>define <color... in effect. See nft man page <tab1> [[https://www.netfilter.org/projects/nftables/manpage.html#lbAO|Rul... ip or ip6. See nft man page <tab1> [[https://www.netfilter.org/projects/nftables/manpage.html#lbAP|Tab... Names Sets]] & nft man page <tab1> [[https://www.netfilter.org/projects/nftables/manpage.html#lbAS|Set

Wifi Router / Access Points

23 Hits, Last modified: 8 months ago

rently supported [[https://openwrt.org/toh/hwdata/netgear/netgear_wax206|OpenWRT Techdata: NETGEAR WAX206]] operating system solution for this w... ''. *''scp .config/certificates/'*.local.kptree.net.key' root@wifi-ap1.local.kptree.net:/etc/uhttpd.key'' to copy across the key *''scp .config/certificates/'*.local.kptree.net.cer' root@wifi-ap1.local.kptree.net:/etc/uhttpd.crt'' to copy across the certificate ... rg/about|OpenWRT]] *[[https://openwrt.org/toh/netgear/wax206|Netgear WAX206]] *[[https://forum.openwrt.org/t/w

ISP PPPoE Network Setup

17 Hits, Last modified: 2 years ago

au/blog/2021/internode-ipv6-on-linux-with-systemd-networkd/|Internode IPv6 on Linux with systemd-networkd]] ====Install Software==== Install the DNS,... tps://askubuntu.com/questions/987982/how-do-i-use-netplan-to-configure-pppoe|How do I use Netplan to configure PPPoE]]? Actually, I believe the... rward=1'' To see all system variables concerning network: ''sysctl -a | grep net'' <- linux_router:network|Prev page ^ linux_router:start|Start page ^ linux_router:ipoe|Next page ->

Router Configuration, Switch & Server Setup

17 Hits, Last modified: 16 months ago

n IP address to interface eth0 Once the computer network has been manually assigned and network reset check that the network address and mask have been correctly set. If the assigned network mask is incorrect, that is in most cases not ... linux_router:hardware|Prev page ^ linux_router:start|Start page ^ linux_router:network|Next page ->

ISP IPoE DHCP Setup Notes

15 Hits, Last modified: 21 months ago

e the RJ45 ethernet interface called eno1. In my netplan configuration file, ''/etc/netplan/network.yaml'', ++++the following was made:| <code> e... systemd/network/99-default.link Network File: /run/systemd/network/10-netplan-eno1.network Type: ether ... tion Model: I210 Gigabit Network Connection HW Address: 0c... Gateway: 202.7.254.1 (Juniper Networks) DNS: 8.8.8.8

Router Hardware

11 Hits, Last modified: 3 months ago

*Ethernet Ports: 2 x Marvell AQC113C-B1-C 10Gbps Network cards(via PCIe 3.0 x 2), 2 x Intel i226-v 2.5G network cards (via PCIe 3.0 x 1) *AQC113C-B1-C i... ing the grub configuration file. The reliablesite.net give a good explanation in their article [[http://support.reliablesite.net/kb/a240/how-to-set-nomodeset-into-the-grub-bootlo... bridge NICs 1-3 to the LAN. Also the bridged LAN network will used for the main server and its VMs wit... The following key services define the router: *network services (bare metal) *ISP Internet connect

Router VM

10 Hits, Last modified: 19 months ago

s not fully suitable for purpose. * A bridge network setup on the remaining 3 Ethernet ports as a LAN (Local Area Network). The bridge network setup has the following required features: * It allows connections of m... e device, with the bridge effectively acting as a network switch for the connected physical ports. (On... ll these physical ports are connected to a common network bridge device. This seem to just work, and ea

IPTables Configuration

9 Hits, Last modified: 22 months ago

ange the file permissions: ''sudo chown root /etc/network/if-pre-up.d/iptables'', and ''sudo chmod 755 /etc/network/if-pre-up.d/iptable''. Note that if /etc/network/if-pre-up.d/iptables is not complete the network may not start-up. This is desirable, as router c

Linux Router Setup Notes - Index

2 Hits, Last modified: 19 months ago

rdware]] *[[linux_router:ubuntu]] *[[linux_router:network]] *[[linux_router:ppp]] *[[linux_router:ipoe]] *[[linux_router:netfilter]] *[[linux_router:nftables]] *[[linux_route

NFTables IP Control

1 Hits, Last modified: 5 years ago