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- NFTables IP Control
- d, parameter-problem, destination-unreachable } counter accept # accept ... # everything else reject port unreachable # reject with icmpx type port-unreachable } chain forward { ty... file to introduce tasks to be run by cron. # # Each task to run has to be defined through a single li
- DHCP / DNS Setup
- ually used for internal services that can not be reached off LAN. I am not sure how split DNS addresses... provided by hosts on the internal network to be reached externally via NAT also to be reached by internal clients behind a NAT. Split DNS is not a direct rep... sc-dhcp-server contains the following comment for each system interface that is not assigned in ''/etc/d
- NFTables Configuration
- ab12> parameter-problem, destination-unreachable\\ <tab9> } counter accept\\ <tab9> \\... ab12> parameter-problem, destination-unreachable,\\ <tab12> packet-too-big, nd-rout... olor blue> # everything else reject port unreachable</color> \\ <tab9> ct state new counter... ot further processed and a ICMP(v4 or v6) host-unreachable message is returned to the source. See wiki.n
- Basic Netfilter Function Block Diagram
- the IP and TCP headers that are normally 20 bytes each. So normal mss would be 1492 - 40 = 1452 bytes S... rotocol/icmp/msg3.htm|ICMP type 3, Destination unreachable message]] *[[https://community.ubnt.com/t5/
- Debian / Ubuntu Network Setup
- ig $IFACE up # pre-down ifconfig $IFACE down Each Ethernet hardware connection has its own defined ... rvice''. *This also needs to be performed after each time netplan apply is used: ''sudo systemctl sta
- IPTables Configuration
- 33434:33523 -j REJECT --reject-with icmp-port-unreachable # DNS - accept from LAN -A INPUT -i br1 -p t
- Router VM
- etwork bridge device. This seem to just work, and each physical device seems to operate at its specific