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DHCP / DNS Setup
7 Hits, Last modified:
-a'', note that this command can take quite some time to complete, a number of minutes. The command pro... he usual # $ORIGIN . ; Next line defines the DNS time-to-live setting $TTL 907200 ; 1 week 3 days 12... r-arpa", and then we add records. However, ; this time, we're adding "PTR records", or pointer records. ... n-clients; use-host-decl-names on; default-lease-time 1814400; #21 days max-lease-time 1814400; #21 day
Linux Router Background
6 Hits, Last modified:
then waited for release of Ubuntu 18.04. By this time I was back at full time work.... *The PPPoE refused to work and my ISP ... environment....) *Lastly, was my ability to get time and motivation to perform the configuration and t... nnected things worked prety quickly, save at this time I found my Router modem BMC was not working prope... on the router, this may slightly increase latency time - Ping = ping time on the speed tester - Late
Wireguard VPN access from WAN to LAN
6 Hits, Last modified:
++\\ <tab12> echo-request, echo-reply, time-exceeded,\\ <tab12> parameter-problem,... + \\ <tab12> echo-request, echo-reply, time-exceeded,\\ <tab12> parameter-problem,... E0>This is similar to the previous line, but this time, instead of checking if the state is within a set... E0>This is similar to the previous line, but this time, instead of checking if the state is within a set
NFTables Configuration
5 Hits, Last modified:
oth iptables and nftables rules setup at the same time. *To check existing iptables rules: ''sudo ipta... ++\\ <tab12> echo-request, echo-reply, time-exceeded,\\ <tab12> parameter-problem,... + \\ <tab12> echo-request, echo-reply, time-exceeded,\\ <tab12> parameter-problem,... E0>This is similar to the previous line, but this time, instead of checking if the state is within a set
Debian Server Network Setup
4 Hits, Last modified:
orward-delay: 9 # forwarding delay hello-time: 2 # see netplan.io for definition ma... ese NICs to come up, potentially saving some boot time. The WAN NIC is required, so the optional sanza i... ''. *This also needs to be performed after each time netplan apply is used: ''sudo systemctl start ip... : off forward-delay: 9s hello-time: 2s max-age: 12s </code> ++++ Currently
Router Hardware
4 Hits, Last modified:
o change the router from Ubuntu to Debian at this time. The N3700 CPU had reasonable performance at the time and includes AES instruction, which a number of common lower priced options at the time did not, e.g. J1900 CPU. The AES CPU instruction ... me with 2 SATA ports and mini PCI-E slots. By the time you fit them out they cost out USD250 - 350, with
NFTables IP Control
4 Hits, Last modified:
mp type { echo-request, echo-reply, time-exceeded, parameter-problem, destina... command to run for the task # # To define the time you can provide concrete values for # minute (m)... based on the cron's system # daemon's notion of time and timezones. # # Output of the crontab jobs ... lso list mac addresses) Note this can take a long time so better to limit IP address range. *''-sn''
Router Miscellaneous
4 Hits, Last modified:
[https://www.tecmint.com/glances-an-advanced-real-time-system-monitoring-tool-for-linux/|Glances – An Advanced Real Time System Monitoring Tool for Linux]] * [[https://... and IPv4 Reserved Addresses===== It took me some time to track down this authoritative information, but... Version 3 ntp 123 {tcp, udp} Network Time Protocol imap2 143 {tcp, udp} Internet
Basic Netfilter Function Block Diagram
3 Hits, Last modified:
spread use of IPTables, will probably take a long time.\\ {{:linux_router:linux_netfilter.png?600|}} <c... rious ways. For instance, you can adjust the TTL (Time to Live) value of a packet, either lengthening or... that target specific points in a connection’s lifetime. This provides the functionality needed for more
IPTables Configuration
2 Hits, Last modified:
delved into IPtables and NFtables about the same time, my feelings are that NFTables is generally super... iently fluent and be able to work in both at this time. ++++tl;dr;| I went down the route of attempting
Router VM
1 Hits, Last modified:
anges to public interface * Parental control (time limiting access to public interface on certain IP
TC - Traffic Control
1 Hits, Last modified:
scatter, gather and beyond]] *[[https://oneuptime.com/blog/post/2026-03-20-enable-gro-tso-linux-net