!tCyGickeVqkHsYjWnh:nixos.org

NixOS Networking

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Declaratively manage your switching, routing, wireless, tunneling and more. | Don't rely on `networking.*` for interface and routing setup, use systemd-networkd, ifstate or NetworkManager instead. | Set `SYSTEMD_LOG_LEVEL=debug` to debug networking issues with networkd | No bad nft puns, please. | Room recommendations: #sysops:nixos.org255 Servers

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SenderMessageTime
24 Jan 2026
@antifuchs:asf.computerantifuchsI tend to go in circles between "this configuration language sucks, write it in nixlang" / "this evals really slow (and the nixlang repr isn't good), write it in configuration language"14:41:28
@nico:c3d2.deNicoThings like nftables can get merged from multiple files quiet well, so I think this is less of an problem. frr for example is much worse and you basicly are only allowed to have one file per router17:54:31
@kdk12:matrix.orgKDK12 set a profile picture.22:12:54
25 Jan 2026
@hedgemage:unredacted.org@hedgemage:unredacted.org left the room.19:03:46
@tim:stratum0.orgdadada changed their profile picture.20:33:50
@tim:stratum0.orgdadada changed their profile picture.20:38:53
@rappet:matrix.orgContact @rappet:rappet.xyz instead (I will not respond here) changed their display name from Contact @rappet:rappet.xyz instead to Contact @rappet:rappet.xyz instead (I will not respond here).21:01:31
@tim:stratum0.orgdadada changed their profile picture.21:17:30
@magic_rb:matrix.redalder.orgmagic_rbtest23:34:06
@magic_rb:matrix.redalder.orgmagic_rbmessages working? i see read receipts23:37:19
@magic_rb:matrix.redalder.orgmagic_rbsomeone just give me a confirmation that i unfecked it23:37:31
@sandro:supersandro.deSandro 🐧no, we cannot read your messages23:54:12
26 Jan 2026
@hexa:lossy.networkhexa (clat on linux when)yes, your messages don't reach us00:01:58
@magic_rb:matrix.redalder.orgmagic_rb :| 00:03:39
@magic_rb:matrix.redalder.orgmagic_rbThanks00:03:41
@magic_rb:matrix.redalder.orgmagic_rbOnce again i made sweeping changes to my homelab on a sunday evening00:04:03
@magic_rb:matrix.redalder.orgmagic_rbAnd once again im going to sleep way too late cause of that00:04:13
@elisaado:matrix.orgelisaadoxD00:09:46
@username:yatrix.org@username:yatrix.org left the room.07:28:05
27 Jan 2026
@whispers:catgirl.cloudwhispers [& it/fae] changed their display name from whispers (it/fae) to whispers [& it/fae].02:51:57
@debtquity:matrix.orgdebtquity

I don't think this is a nixOS issue, but does anybody know why nc would report Permission denied when testing tcp over ipv6?

[root@nixos] # nc -vz6 2607:f8b0:4023:1015::1b 465
nc: connect to 2607:f8b0:4023:1015::1b port 465 (tcp) failed: Permission denied

(IP is just a gmail MX server and queried it's AAAA record via dig)

09:15:42
@me:m4rc3l.deMarcel Permission denied is most likely the error code the firewall of the target device is sensing 10:02:09
@me:m4rc3l.deMarcel * Permission denied is most likely the error code the firewall of the target device is sending 10:02:14
@me:m4rc3l.deMarcelThis happens when the firewall rules use reject instead of drop10:02:27
@nazarewk:matrix.orgkdn why would a VLAN's .network file ignore the [Address] sections? 12:34:27
@nazarewk:matrix.orgkdn * why would a VLAN's .network file ignore the [Address] sections? Can't even find the reason in systemd-networkd DEBUG logs 12:34:48
@nazarewk:matrix.orgkdn think i found it, put the VLAN= in the wrong network file 12:37:31
@acidbong:envs.net@acidbong:envs.net left the room.12:37:42
28 Jan 2026
@wilkuu:utwente.iowilkuu joined the room.16:01:20
@alexandrutocar:matrix.org- changed their display name from Alexandru Tocar to -.18:34:46

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