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DHCP / DNS Setup
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ration files is: ''sudo vim /etc/default/isc-dhcp-server''. Ensure the interface(s) that the DHCP server is to server requests upon is indicated, for example: *INTER... FACESv4="br0" *INTERFACESv6="br0" ====isc-dhcp-server log file comments==== Unfortunately the log / journal for isc-dhcp-server contains the following comment for each system in... e that is not assigned in ''/etc/default/isc-dhcp-server''. **//This is a warning, not an error!//** As su
Wireguard VPN access from WAN to LAN
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g [[https://xdeb.org/post/2019/09/26/setting-up-a-server-firewall-with-nftables-that-support-wireguard-vpn/|Setting up a server firewall with nftables that support WireGuard VPN... erworkshop.com/blog/how-to-set-up-a-wireguard-vpn-server-on-ubuntu-linux/|How To Set Up a WireGuard VPN Server on Ubuntu Linux]] * [[https://github.com/pirate... s://securityespresso.org/tutorials/2019/03/22/vpn-server-using-wireguard-on-ubuntu/|How to setup your own VPN server using WireGuard on Ubuntu]] * [[https://wiki.ar... ''ip a''.\\ * Where services are on separate server, virtual, container, etc., the ''ip a'' may need to be run in on these servers.\\ * Another option would be to use ''sudo nm
NFTables Configuration
40 Hits, Last modified:
''ip a''.\\ * Where services are on separate server, virtual, container, etc., the ''ip a'' may need to be run in on these servers.\\ * Another option would be to use ''sudo nm... face]].</color>++\\ <tab3>define <color red>http_server = 192.168.1.12</color><color blue> #definition of http server IPv4 address</color>\\ <tab3>define <color red>mail_server = 192.168.1.18</color><color blue> #definition of mail server IPv4 address</color>\\ <tab3>define <color red>w... ollowing are some resources that discuss this: *Serverfault [[https://serverfault.com/questions/205040/accessing-the-dnatted-webserver-from-inside-the-lan|Accessing the DNAT'ted webser
Router Miscellaneous
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//techcrunch.com/2017/04/09/how-i-made-my-own-vpn-server-in-15-minutes/|How I made my own VPN server in 15 minutes]] Algo [[https://github.com/trailo... g [[https://xdeb.org/post/2019/09/26/setting-up-a-server-firewall-with-nftables-that-support-wireguard-vpn/|Setting up a server firewall with nftables that support WireGuard VPN... nd [[https://wiki.debian.org/Bonding|Bonding]] *Serverfault [[https://serverfault.com/questions/348266/how-do-i-put-a-bridge-o... bonding-configuration-file-on-an-ubuntu-16-04-lts-server|802.3ad bonding configuration file on an Ubuntu 16.04 LTS Server]] *nixCraft [[https://www.cyberciti.biz/faq/ubu
NFTables IP Control
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br0 define router_ip4 = 192.168.1.1 define http_server = 192.168.1.12 define mail_server = 192.168.1.18 define wan_ip4 = 112.213.222.38 # Clean out the cur... # Allow new connections to internal servers, # but only those that have had dnat performed. # The server names can be used where host DNS # resol
Router Hardware
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C graphics display system. (This is now my backup server and my main server is a I now have a new server with the newer Supermicro motherboard with Intel Atom C3000 series CPU, al... /atom/A2SDi-8C_-HLN4F.cfm|A2SDi-8C+-HLN4F]]. This server is now running as my primary.++++ ++++Forcing Dis... te this method did not work in Ubuntu 18.04 amd64 server edition** Basically after setting up Ubuntu 16.0
Debian Server Network Setup
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to identify the router. As this router has a DNS server the "nameserver:" stanza can be set to this routers address e.g.:... networkd ethernets: # eno1 is always reservered for WAN only eno2: dhcp4: no ... , eno4] gateway4: 192.168.1.1 nameservers: addresses: [192.168.1.1] para... s for network configuration. As the DHCP and DNS server now run in a VM/Docker containers, this simplifie
ISP PPPoE Network Setup
10 Hits, Last modified:
sable and stop the DNS [bind9] and DHCP [isc-dhcp-server, isc-dhcp-server6] software for the moment and configure later. ... atus bind9'' *''sudo systemctl disable isc-dhcp-server'' *''sudo systemctl stop isc-dhcp-server'' *''sudo systemctl status isc-dhcp-server'' ====Set up PPPoE==== "chap-secrets" configuration Edit t
Router VM
7 Hits, Last modified:
to create and edit virtual machines *''libspice-server1'' - Implements the server side of the SPICE protocol *''virt-viewer'' - T
Linux Router Background
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he services still work on my LAN except the email server. (The email server does actually operate on my LAN but it pretty poi... ccess to external internet!) I was lucky that my server SSL certificates should be valid through this per
Wifi Router / Access Points
4 Hits, Last modified:
hine remote to the openWRT machines. Install sftp-server with ''opkg update'' and ''opkg install openssh-sftp-server''. *''scp .config/certificates/'*.local.kptree.... ed certificate file that I need to use on my mail server, that is mentioned elsewhere on my wiki. After t... sion I noticed the following: *The openssh-sftp-server needs to be reinstalled. *I had to update the h
Router Configuration, Switch & Server Setup
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ch network}} ======Router Configuration, Switch & Server Setup====== =====Router Configuration===== <fc #... outer from scratch]]\\ Download the latest Ubuntu Server amd64 ISO file from the Ubuntu website. I setup t... www.havetheknowhow.com/Install-Ubuntu.html|Ubuntu Server]] - 20.04LTS for an explanation.) *I just use s
Basic Netfilter Function Block Diagram
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rrectly. Chain Traversal Order Assuming that the server knows how to route a packet and that the firewall... anced ICMP Filtering with iptables]] *[[https://serverfault.com/questions/84963/why-not-block-icmp|Why n