Re: IPv6 and loopback addresses (was Re: DHCP and static addresses)

2025-04-04 Thread Andy Smith
Hi, On Fri, Apr 04, 2025 at 05:21:45AM -0400, gene heskett wrote: > On 4/3/25 13:39, Andy Smith wrote: > > Historically we do not get very far here when talking about IPv6 with > > Gene. > True Andy, but there's no ipv6 within 100 miles of me. The Linux kernel comes with

Re: IPv6 and loopback addresses (was Re: DHCP and static addresses)

2025-04-04 Thread gene heskett
On 4/3/25 13:39, Andy Smith wrote: Hi, On Thu, Apr 03, 2025 at 01:28:43PM -, Greg wrote: On 2025-04-03, Dan Purgert wrote: Indeed, the entirety of 127.0.0.0/8 is the virtual loopback adapter (i.e. "localhost"). I thought IPV6 opened up the flood gates of assigning "rea

IPv6 and loopback addresses (was Re: DHCP and static addresses)

2025-04-03 Thread Andy Smith
Hi, On Thu, Apr 03, 2025 at 01:28:43PM -, Greg wrote: > On 2025-04-03, Dan Purgert wrote: > > Indeed, the entirety of 127.0.0.0/8 is the virtual loopback adapter > > (i.e. "localhost"). > > I thought IPV6 opened up the flood gates of assigning "real&quo

Re: ipv6 dns-nameservers

2025-03-27 Thread Andy Smith
Hi, On Thu, Mar 27, 2025 at 09:38:02PM +1030, Mal wrote: > Without the conf package, I still don't get why it populated only one > ipv4 nameserver target and ignored the ipv6 target. Are you sure this is not just what the installation process did? Without "resolvconf" the

Re: ipv6 dns-nameservers#

2025-03-27 Thread Andy Smith
Hi, On Thu, Mar 27, 2025 at 03:24:24PM -, Greg wrote: > I wonder humorously if this discussion might devolve into yet another > gargantuan thread concerning resolv.conf and whether it's kosher to set > the immutable bit on that file in order to prevent whatever the heck is > writing to it fro

Re: ipv6 dns-nameservers#

2025-03-27 Thread Greg
On 2025-03-27, Andy Smith wrote: > Hi, > > On Thu, Mar 27, 2025 at 09:11:23AM -0400, Greg Wooledge wrote: >> On Thu, Mar 27, 2025 at 13:06:54 +, Andy Smith wrote: >> > Without "resolvconf" the /etc/resolv.conf file is just a static file so >> > there's limited things that would be editing it.

Re: ipv6 dns-nameservers#

2025-03-27 Thread Greg Wooledge
On Thu, Mar 27, 2025 at 13:58:49 +, Andy Smith wrote: > I think all DHCP clients in Debian have a "Recomends" relationship on > resolvconf to do this modification for them. hobbit:~$ apt-cache show isc-dhcp-client | grep -e Recommends -e resolv Recommends: isc-dhcp-common Suggests: resolvconf,

Re: ipv6 dns-nameservers#

2025-03-27 Thread Andy Smith
Hi, On Thu, Mar 27, 2025 at 09:11:23AM -0400, Greg Wooledge wrote: > On Thu, Mar 27, 2025 at 13:06:54 +, Andy Smith wrote: > > Without "resolvconf" the /etc/resolv.conf file is just a static file so > > there's limited things that would be editing it. The guesses of "you" > > or "the installer

Re: ipv6 dns-nameservers

2025-03-27 Thread Greg Wooledge
On Thu, Mar 27, 2025 at 13:06:54 +, Andy Smith wrote: > Hi, > > On Thu, Mar 27, 2025 at 09:38:02PM +1030, Mal wrote: > > Without the conf package, I still don't get why it populated only one > > ipv4 nameserver target and ignored the ipv6 target. > > Are yo

Re: ipv6 dns-nameservers

2025-03-27 Thread Mal
ed only one ipv4 nameserver target and ignored the ipv6 target. On 27/03/2025 9:18 pm, Greg Wooledge wrote: > On Thu, Mar 27, 2025 at 14:34:13 +1030, Mal wrote: >> root@debian:/home/user# more /etc/network/interfaces >> source /etc/network/interfaces.d/* >> # The loopba

Re: ipv6 dns-nameservers

2025-03-27 Thread Greg Wooledge
On Thu, Mar 27, 2025 at 14:34:13 +1030, Mal wrote: > root@debian:/home/user# more /etc/network/interfaces > source /etc/network/interfaces.d/* > # The loopback network interface >  auto lo >  iface lo inet loopback > >  allow-hotplug enp1s0 >  iface enp1s0 inet static >  address 12.34.56.78 >  net

Re: ipv6 dns-nameservers

2025-03-27 Thread Andy Smith
Hi, On Thu, Mar 27, 2025 at 02:34:13PM +1030, Mal wrote: > On Debian 6.1.129-1, I have a static network interface conf (no Netplan) > with both IPv4 & IPv6 addressing and Name-servers set. I don't know why only your IPv4 address is making it into resolv.conf, but if the network

Re: ipv6 dns-nameservers

2025-03-27 Thread Mal
The issue is the missing nameserver target in resolv.  I am expecting two in the echo. Receiving records over the only nameserver target (v4) works fine as expected - using DIG or ping. In my configuration no IPv6 nameserver target is present in resolv, hence it will never use IPv6

Re: ipv6 dns-nameservers

2025-03-27 Thread Henrik Ahlgren
Mal writes: > On Debian 6.1.129-1, I have a static network interface conf (no Netplan) > with both IPv4 & IPv6 addressing and Name-servers set. [...] > On another older machine (running kernel 4.9.35-v7+) with exactly the > same configuration layout, I get BOTH the IPv4

Re: ipv6 dns-nameservers

2025-03-27 Thread basti
Hello, first of all the nameservers in /etc/resolv.conf are queried in order. That means the 2'nd one is only queried when the first one does not answer. Even NXDOMAIN is a valid answer. So the first one should also return IPv6 over a IPv4 connection. How do you query the nameserver

ipv6 dns-nameservers

2025-03-26 Thread Mal
Hello On Debian 6.1.129-1, I have a static network interface conf (no Netplan) with both IPv4 & IPv6 addressing and Name-servers set. > root@debian:/home/user# more /etc/network/interfaces source /etc/network/interfaces.d/* # The loopback network interface  auto lo  iface lo inet l

Re: IPv6, ip token, NetworkManager and accept_ra

2024-02-02 Thread Tim Woodall
On Fri, 2 Feb 2024, Ralph Aichinger wrote: Hi fellow Debian users! In my quest to advance the IPv6 preparedness of my home LAN I want to find a solution to use IP tokens on all my clients. IP tokens (keeping the host part of the IPv6 address static while getting the subnet part by SLAAC) seem

Re: IPv6, ip token, NetworkManager and accept_ra

2024-02-02 Thread Ralph Aichinger
On Fri, 2024-02-02 at 15:31 +0100, Marco Moock wrote: > It should be if you enter "save" in the nmcli. Thanks, I did not realize this was possible. I probably will use nmcli more often in the future. Ralph

Re: IPv6, ip token, NetworkManager and accept_ra

2024-02-02 Thread Marco Moock
Am 02.02.2024 schrieb Ralph Aichinger : > On Fri, 2024-02-02 at 14:28 +0100, Marco Moock wrote: > > # nmcli c mod enp4s0 ipv6.addr-gen-mode eui64 > > # nmcli c mod enp4s0 ipv6.token ::deca:fbad:c0:ffee > > This is not permanent, is it? It should be if you enter "save" in the nmcli.

Re: IPv6, ip token, NetworkManager and accept_ra

2024-02-02 Thread Ralph Aichinger
address is static, and its PTR resolves to something with my surname in it ;). At least at the moment I would prefer shorter IPv6 addresses than can be constructed from the MAC, even considering the possibility to "fake" the MAC to something with many zeroes, using historic/obsolet

Re: IPv6, ip token, NetworkManager and accept_ra

2024-02-02 Thread Marco Moock
Am 02.02.2024 schrieb Ralph Aichinger : > In my quest to advance the IPv6 preparedness of my home LAN I want to > find a solution to use IP tokens on all my clients. IP tokens (keeping > the host part of the IPv6 address static while getting the subnet part > by SLAAC) seem very e

IPv6, ip token, NetworkManager and accept_ra

2024-02-02 Thread Ralph Aichinger
Hi fellow Debian users! In my quest to advance the IPv6 preparedness of my home LAN I want to find a solution to use IP tokens on all my clients. IP tokens (keeping the host part of the IPv6 address static while getting the subnet part by SLAAC) seem very elegant to me, because it avoids DHCPv6

Re: nftables firewall question: matching udp in ipv6

2024-01-12 Thread Michel Verdier
On 2024-01-12, Ralph Aichinger wrote: > I "only" have to find out what mechanism adds the lower, en2 default > route within a few minutes, once I delete it. I ran "radvdump", but > that only dumped the correct announcement my provider sends for the > net over the PPPoE connection. Hm. > > Thanks e

Re: nftables firewall question: matching udp in ipv6

2024-01-12 Thread Ralph Aichinger
401524.305759] ralphfilterudpIN=en2 OUT=en2 MAC=08:00:1e:02:00:02:6c:cf:39:00:42:f4:86:dd SRC=2a02:0ab8:redacted DST=2a00:63c1:redacted LEN=96 TC=0 HOPLIMIT=63 FLOWLBL=279176 PROTO=UDP SPT=40840 DPT=123 LEN=56 with interestingly IN and OUT interfaces the same en2 (=dmz). And to my surprise, I found

Re: nftables firewall question: matching udp in ipv6

2024-01-12 Thread Michel Verdier
On 2024-01-12, Ralph Aichinger wrote: > If I insert the following rule at the bottom, everything starts to > work: > > meta l4proto udp accept Add log to see what would be dropped: meta l4proto udp log level info prefix "udp" accept Provide "nft list ruleset" to better see what nft understa

Re: nftables firewall question: matching udp in ipv6

2024-01-12 Thread Ralph Aichinger
On Fri, Jan 12, 2024 at 05:26:57PM +, Michael Kjörling wrote: > My suggestion would be to insert a "udp log" rule. (Pretty sure you > only need "udp", not "meta l4proto udp".) Thanks, I will try that. Yes "meta l4proto udp" might be cargo cult configuration ;) > That will give you a fireh

Re: nftables firewall question: matching udp in ipv6

2024-01-12 Thread Michael Kjörling
On 12 Jan 2024 16:19 +0100, from r...@h5.or.at (Ralph Aichinger): > If I insert the following rule at the bottom, everything starts to > work: > > meta l4proto udp accept > > but I don't know how to limit this over broad rule (so it does not > forward UDP to the internal network on en0, which I

Re: nftables firewall question: matching udp in ipv6

2024-01-12 Thread Ralph Aichinger
ounter drop comment "drop connections to loopback not coming from loopback" meta l4proto ipv6-icmp counter accept comment "accept all ICMP types" tcp dport 22 counter accept comment "accept SSH" tcp dport 25 coun

Re: nftables firewall question: matching udp in ipv6

2024-01-12 Thread Ralph Aichinger
On Fri, Jan 12, 2024 at 03:52:46PM +, Tom Furie wrote: > Where is the DNS server the dmz host is resolving against? In your dmz, > your internal network, on the firewall machine, outside? You may have > other input/output rules that are interfering, but since you've abridged > your ruleset we h

Re: nftables firewall question: matching udp in ipv6

2024-01-12 Thread Tom Furie
Ralph Aichinger writes: > I am currently fighting with the following problem: I've got a system > that has 3 relevant interfaces: ppp0, en0 and en2, for external, > internal and dmz respectively. > > The dmz is IPv6 only, a homelab testbed more or less. > > I've

nftables firewall question: matching udp in ipv6

2024-01-12 Thread Ralph Aichinger
Hello! I am currently fighting with the following problem: I've got a system that has 3 relevant interfaces: ppp0, en0 and en2, for external, internal and dmz respectively. The dmz is IPv6 only, a homelab testbed more or less. I've got the follwing rules in /etc/nftables.conf for

Re: ipv6: temp address does not renew

2024-01-08 Thread Marco Moock
Am 08.01.2024 um 13:01:38 Uhr schrieb Andreas B: > I haven't checked thoroughly (yet), but the only immediate difference > I can see, is that the router lifetime is 600 seconds (RA). My ISP's > router used a lifetime of 86400 seconds (24h), I think. That affect when the old addresses must be remo

Re: ipv6: temp address does not renew

2024-01-08 Thread Andreas B
A follow up on this. I recently swapped my ISP's router with my own. New temp-addresses are now generated when old ones become deprecated, as expected. I haven't checked thoroughly (yet), but the only immediate difference I can see, is that the router lifetime is 600 seconds (RA). My ISP's rout

Re: NFS: IPV6

2024-01-06 Thread Leandro Noferini
Pocket writes: [...] > I am in the process of re-configuring NFS for V4 only. Could it be there is some misunderstanding? IPV4 and IPV6 are quite different concepts from NFSv4: I think this works either on IPV4 and IPV6. -- Ciao leandro

Re: NFS: IPV6

2024-01-05 Thread Andy Smith
Hello, On Fri, Jan 05, 2024 at 07:04:21AM -0500, Pocket wrote: > I have this in the exports, ipv4 works > > /srv/Multimedia 192.168.1.0/24(rw,no_root_squash,subtree_check) > /srv/Other 192.168.1.0/24(rw,no_root_squash,subtree_check) > #/home 2002:474f:e945:0:0:0:0:0/64(rw,no_root_squash,subtree_c

Re: NFS: IPV6

2024-01-05 Thread Greg Wooledge
On Fri, Jan 05, 2024 at 09:54:54AM +, debian-u...@howorth.org.uk wrote: > plus FWIW... > > https://docs.oracle.com/cd/E23824_01/html/821-1453/ipv6-ref-71.html > > "NFS software and Remote Procedure Call (RPC) software support IPv6 in a > seamless manner. Existing comma

Re: NFS: IPV6

2024-01-05 Thread Pocket
On 1/5/24 04:54, debian-u...@howorth.org.uk wrote: Marco Moock wrote: Am 04.01.2024 um 18:19:57 Uhr schrieb Pocket: Where can I find information on how to configure NFS to use ipv6 addresses both server and client. Does IPv6 work basically on your machine, including name resolution? Does

Re: NFS: IPV6

2024-01-05 Thread Pocket
On 1/5/24 03:35, Marco Moock wrote: Am 04.01.2024 um 18:19:57 Uhr schrieb Pocket: Where can I find information on how to configure NFS to use ipv6 addresses both server and client. Does IPv6 work basically on your machine, including name resolution? Yes I have bind running and ssh to the

Re: NFS: IPV6

2024-01-05 Thread debian-user
Marco Moock wrote: > Am 04.01.2024 um 18:19:57 Uhr schrieb Pocket: > > > Where can I find information on how to configure NFS to use ipv6 > > addresses both server and client. > > Does IPv6 work basically on your machine, including name resolution? > > Does it

Re: NFS: IPV6

2024-01-05 Thread Marco Moock
Am 04.01.2024 um 18:19:57 Uhr schrieb Pocket: > Where can I find information on how to configure NFS to use ipv6 > addresses both server and client. Does IPv6 work basically on your machine, including name resolution? Does it work if you enter the address directly? https://ipv6.ne

NFS: IPV6

2024-01-04 Thread Pocket
Where can I find information on how to configure NFS to use ipv6 addresses both server and client. I haven't found any good information on how to do that and what I did find was extremely sparce. I have NFS mounts working using ipv4 and want to change that to ipv6 -- Hindi madal

Re: Populating IPv6 DNS addresses in resolv.conf

2023-11-01 Thread Max Nikulin
On 01/11/2023 17:41, Timothy M Butterworth wrote: All, Thanks for all your help. I was able to get it mostly working: # Generated by NetworkManager search home.arpa nameserver 8.8.8.8 nameserver 8.8.4.4 nameserver 192.168.104.233 # NOTE: the libc resolver may not support more than 3 nameservers

Re: Populating IPv6 DNS addresses in resolv.conf

2023-11-01 Thread Timothy M Butterworth
All, Thanks for all your help. I was able to get it mostly working: # Generated by NetworkManager search home.arpa nameserver 8.8.8.8 nameserver 8.8.4.4 nameserver 192.168.104.233 # NOTE: the libc resolver may not support more than 3 nameservers. # The nameservers listed below may not be recogniz

Re: Populating IPv6 DNS addresses in resolv.conf

2023-10-31 Thread Max Nikulin
On 30/10/2023 20:04, Timothy M Butterworth wrote: sudo less /etc/NetworkManager/system-connections/Pixel5.nmconnection [...] [ipv6] addr-gen-mode=stable-privacy dns=2001:4860:4860::,2001:4860:4860::8844; dns-search=home.arpa; ignore-auto-dns=true #I tried with this on, commented out and

Re: Populating IPv6 DNS addresses in resolv.conf

2023-10-30 Thread Max Nikulin
etworkd does not try to manage interfaces networkctl should report "unmanaged". I assume that NetworkManager uses its internal DHCP client and it is OK. Timothy, are you sure that "Pixel5" sends a DHCP lease? I have almost no experience with IPv6. I would try other met

Re: Populating IPv6 DNS addresses in resolv.conf

2023-10-30 Thread Pocket
thing I am missing is the population of IPv6 DNS addresses. sudo less /etc/dhcp/dhclient.conf supersede domain-name "home.arpa"; supersede dhcp6.domain-search "home.arpa"; supersede dhcp6.name-servers 2001:4860:4860::, 2001:4860:4860::8844; supersede

Re: Populating IPv6 DNS addresses in resolv.conf

2023-10-30 Thread Timothy M Butterworth
On Mon, Oct 30, 2023 at 1:18 PM Pocket wrote: > > On 10/30/23 09:04, Timothy M Butterworth wrote: > > Hello All, > > I have been following the recent emails regarding resolv.conf. I almost > have my system running perfectly. The only thing I am missing is the > populati

Re: Populating IPv6 DNS addresses in resolv.conf

2023-10-30 Thread Timothy M Butterworth
dr-change] match-device=driver:eagle_sdio,driver:wl wifi.scan-rand-mac-address=no # no-auto-default file "/var/lib/NetworkManager/no-auto-default.state" > ls -l /etc/resolv.conf > lsattr /etc/resolv.conf > I just changed this back to using chattr +i with the IPv6 addresse

Re: Populating IPv6 DNS addresses in resolv.conf

2023-10-30 Thread Pocket
On 10/30/23 09:04, Timothy M Butterworth wrote: Hello All, I have been following the recent emails regarding resolv.conf. I almost have my system running perfectly. The only thing I am missing is the population of IPv6 DNS addresses. sudo less /etc/dhcp/dhclient.conf supersede domain-name

Re: Populating IPv6 DNS addresses in resolv.conf

2023-10-30 Thread Marco M.
Am 30.10.2023 um 22:08:46 Uhr schrieb Max Nikulin: > On 30/10/2023 20:04, Timothy M Butterworth wrote: > > sudo less /etc/resolv.conf > > domain home.arpa > > search home.arpa > > nameserver 8.8.8.8 > > nameserver 8.8.4.4 > > I do not see "# Generated by NetworkManager" here. That is because N

Re: Populating IPv6 DNS addresses in resolv.conf

2023-10-30 Thread Max Nikulin
ls -l /etc/resolv.conf lsattr /etc/resolv.conf As to /etc/dhcp/dhclient.conf and /etc/network/interfaces, I may be wrong, but perhaps independent instances for IPv4 and IPv6 may be running (if actual connection is managed through ifupdown)

Populating IPv6 DNS addresses in resolv.conf

2023-10-30 Thread Timothy M Butterworth
Hello All, I have been following the recent emails regarding resolv.conf. I almost have my system running perfectly. The only thing I am missing is the population of IPv6 DNS addresses. sudo less /etc/dhcp/dhclient.conf supersede domain-name "home.arpa"; supersede dhcp6.domain-search

Re: pppoe ipv6 PD

2023-09-07 Thread basti
ppp interface and start a dhcpv6 client there, if your ISP distribute IPv6 via dhcp.

Re: pppoe ipv6 PD

2023-09-07 Thread Anssi Saari
basti writes: > My changes where attached in my last mail. Did you seen it? > Have a look at the mailing archive: > > https://lists.debian.org/debian-user/2023/09/msg00157.html No, you posted only your new versions so I can't know what you actually changed. You posted originally that you have:

Re: pppoe ipv6 PD

2023-09-07 Thread basti
On 07.09.23 10:27, Anssi Saari wrote: basti writes: Am 06.09.23 um 09:37 schrieb Marco: Am 06.09.2023 09:24 schrieb Anssi Saari: That should be enough but I don't really know how pppoe works, I've only used IPv6 with tunneling, 6rd and 6in4 with the late route48.org. With PPP I

Re: pppoe ipv6 PD

2023-09-07 Thread Anssi Saari
basti writes: > Am 06.09.23 um 09:37 schrieb Marco: >> Am 06.09.2023 09:24 schrieb Anssi Saari: >> >>> That should be enough but I don't really know how pppoe works, I've >>> only used IPv6 with tunneling, 6rd and 6in4 with the late route48.org. >&g

Re: pppoe ipv6 PD

2023-09-06 Thread basti
Am 06.09.23 um 09:37 schrieb Marco: Am 06.09.2023 09:24 schrieb Anssi Saari: That should be enough but I don't really know how pppoe works, I've only used IPv6 with tunneling, 6rd and 6in4 with the late route48.org. With PPP IPv6CP (RFC 2472 is being used. It negotiates a 64 bit

Re: pppoe ipv6 PD

2023-09-06 Thread Marco
Am 06.09.2023 09:24 schrieb Anssi Saari: > That should be enough but I don't really know how pppoe works, I've > only used IPv6 with tunneling, 6rd and 6in4 with the late route48.org. With PPP IPv6CP (RFC 2472 is being used. It negotiates a 64 bit interface identifier to creat

Re: pppoe ipv6 PD

2023-09-05 Thread Anssi Saari
basti writes: > Hello, > > I have switch my network config from ifup to systemd-networkd. > > IPv4 is working well but IPv6 is broken now. > > In the past I used dhcpcd to delegate the ipv6 prefix to my LAN > interface. It seems not working with systemd. > > On my P

pppoe ipv6 PD

2023-09-04 Thread basti
Hello, I have switch my network config from ifup to systemd-networkd. IPv4 is working well but IPv6 is broken now. In the past I used dhcpcd to delegate the ipv6 prefix to my LAN interface. It seems not working with systemd. On my PPP interface I get an IPv4 and a IPv6 Address. On my LAN

Re: ipv6 maybe has arrived.

2023-08-13 Thread gene heskett
On 8/13/23 13:59, Celejar wrote: On Fri, 10 Feb 2023 16:20:00 +0300 Reco wrote: Hi. On Fri, Feb 10, 2023 at 08:04:38AM -0500, Greg Wooledge wrote: On Fri, Feb 10, 2023 at 05:58:07AM -0500, gene heskett wrote: hosts: files mymachines dns myhostname This is wrong. But I

Re: ipv6 maybe has arrived.

2023-08-13 Thread Celejar
On Fri, 10 Feb 2023 16:20:00 +0300 Reco wrote: > Hi. > > On Fri, Feb 10, 2023 at 08:04:38AM -0500, Greg Wooledge wrote: > > On Fri, Feb 10, 2023 at 05:58:07AM -0500, gene heskett wrote: > > > hosts: files mymachines dns myhostname > > > > This is wrong. > > You're correct, but f

Re: Re: ipv6: temp address does not renew

2023-06-26 Thread Andreas B
100% into ipv6 terminology, but I think my ISP uses dhcp-pd to give me a prefix. Other than that I don't think dhcpv6 is in use. I use SLAAC with and without privacy extensions (basically, a complete default setup). In any case, I do not believe that my ISP changed anything in those 30 minute

Re: ipv6: temp address does not renew

2023-06-26 Thread Arno Lehmann
Hi Andreas, Am 26.06.2023 um 11:13 schrieb Andreas B: Hi, I'm very puzzled by the behaviour of ipv6 temp addresses on Debian 12. Expected behaviour: as soon as a temp address becomes deprecated, a new one is generated. This is the behaviour on Debian 11. Reasonable expectation, I

ipv6: temp address does not renew

2023-06-26 Thread Andreas B
Hi, I'm very puzzled by the behaviour of ipv6 temp addresses on Debian 12. Expected behaviour: as soon as a temp address becomes deprecated, a new one is generated. This is the behaviour on Debian 11. What actually happens: When the (first) temp address becomes deprecated (in my case,

Re: ipv6 on debian

2023-05-23 Thread Tim Woodall
On Wed, 24 May 2023, cor...@free.fr wrote: greetings, today I got a server from OVH with ipv6 only. is there any lightweight getting started tutorial for using ipv6 on debian? such as ipv6 setup, route, filters, DNS, etc. thanks in advance. Corey Do you mean already configured and working

ipv6 on debian

2023-05-23 Thread coreyh
greetings, today I got a server from OVH with ipv6 only. is there any lightweight getting started tutorial for using ipv6 on debian? such as ipv6 setup, route, filters, DNS, etc. thanks in advance. Corey

Re: Which takes priority, ipv4, or ipv6?

2023-04-01 Thread Tim Woodall
On Tue, 28 Mar 2023, Andy Smith wrote: Thirdly, if no special handling is in use then your operating system chooses which address to use. There's an RFC for that, and all of that is configured in /etc/gai.conf on Debian. The default behaviour is to try IPv6 first. The default differs

Re: Which takes priority, ipv4, or ipv6?

2023-03-28 Thread Andy Smith
th authoritative and resolver) do decide to give you filtered results which may for example exclude records. No records, no possibility of an IPv6 connection. Secondly, your application that gets a list of answers (A and records) might do something special. It is after all free to d

Re: Which takes priority, ipv4, or ipv6?

2023-03-28 Thread davenull
On 2023-03-27 13:48, Richmond wrote: I have configured an ipv6 tunnel. If I visit this site: http://ip6.me/ The "normal" test shows my ipv4 address, and the: http://ip6only.me/ shows the ipv6 address. However if I switch my DNS from opendns to the one provided by my ISP and th

Re: Which takes priority, ipv4, or ipv6?

2023-03-27 Thread Michael Stone
On Mon, Mar 27, 2023 at 12:48:13PM +0100, Richmond wrote: I have configured an ipv6 tunnel. If I visit this site: http://ip6.me/ The "normal" test shows my ipv4 address, and the: http://ip6only.me/ shows the ipv6 address. However if I switch my DNS from opendns to the one provided

Re: Which takes priority, ipv4, or ipv6?

2023-03-27 Thread Richmond
Vincent Lefevre writes: > On 2023-03-27 12:48:13 +0100, Richmond wrote: >> I have configured an ipv6 tunnel. If I visit this site: >> >> http://ip6.me/ >> >> The "normal" test shows my ipv4 address, and the: >> >> http://ip6only.me/ >&

Re: Which takes priority, ipv4, or ipv6?

2023-03-27 Thread Jeremy Ardley
On 27/3/23 20:05, Richmond wrote: Jeremy Ardley writes: Both DNS return records. I am not sure why this choice of DNS should make a difference. host -v ip6.me |grep IN 9306IN 2001:4838:0:1b::201 host -v ip6.me 8.8.8.8|grep

Re: Which takes priority, ipv4, or ipv6?

2023-03-27 Thread Richmond
an > record. > > The A record is IPv4 and the record is IPv6 > > When you get both it is then up to your application to choose IPv4 or > IPv6 for the connection. > > If either fails the application will then try the other before finally > failing. > > You need

Re: Which takes priority, ipv4, or ipv6?

2023-03-27 Thread Vincent Lefevre
On 2023-03-27 12:48:13 +0100, Richmond wrote: > I have configured an ipv6 tunnel. If I visit this site: > > http://ip6.me/ > > The "normal" test shows my ipv4 address, and the: > > http://ip6only.me/ > > shows the ipv6 address. > > However if I swi

Re: Which takes priority, ipv4, or ipv6?

2023-03-27 Thread Jeremy Ardley
IPv6 When you get both it is then up to your application to choose IPv4 or IPv6 for the connection. If either fails the application will then try the other before finally failing. You need a DNS that can return A and records, and an application that can use either. I have noticed in

Which takes priority, ipv4, or ipv6?

2023-03-27 Thread Richmond
I have configured an ipv6 tunnel. If I visit this site: http://ip6.me/ The "normal" test shows my ipv4 address, and the: http://ip6only.me/ shows the ipv6 address. However if I switch my DNS from opendns to the one provided by my ISP and then run the "normal" test it shows

Re: Debian 12 IPv6 client?

2023-03-14 Thread Jeremy Ardley
On 15/3/23 01:53, David Wright wrote: I had hoped (not very hopefully) the solution wouldn't involve bashing kernel parameters. From previous journeys in this area systemd-networkd does a much neater job and has huge numbers of options. This is my worstation config I hope it gets better :

Re: Debian 12 IPv6 client?

2023-03-14 Thread David Wright
On Tue 14 Mar 2023 at 17:06:19 (+0800), jeremy ardley wrote: > On 14/3/23 16:21, Tim Woodall wrote: > > On Tue, 14 Mar 2023, Jeremy Ardley wrote: > > > I conclude there is no IPv6 DHCP involved but there must be > > > something that listens to RA announcements and ge

Re: Debian 12 IPv6 client?

2023-03-14 Thread David Wright
r more information, see interfaces(5). > > > > > > source /etc/network/interfaces.d/* > > > > > > # The loopback network interface > > > auto lo > > > iface lo inet loopback > > > > > > # The primary network interface > > >

Re: Debian 12 IPv6 client?

2023-03-14 Thread Charles Curley
On Tue, 14 Mar 2023 12:29:22 +0800 jeremy ardley wrote: > (I'm quite annoyed they have done away with /var/log/syslog) See the README in /var/log for work-arounds. -- Does anybody read signatures any more? https://charlescurley.com https://charlescurley.com/blog/

Re: Debian 12 IPv6 client?

2023-03-14 Thread jeremy ardley
On 14/3/23 16:21, Tim Woodall wrote: On Tue, 14 Mar 2023, Jeremy Ardley wrote: I conclude there is no IPv6 DHCP involved but there must be something that listens to RA announcements and generates a MAC derived address from that. I still need to know how to control that as there are options

Re: Debian 12 IPv6 client?

2023-03-14 Thread Jeremy Ardley
inet loopback # The primary network interface allow-hotplug enp0s3 iface enp0s3 inet dhcp # This is an autoconfigured IPv6 interface iface enp0s3 inet6 auto ↑↑ I'm not very familiar with interfaces nowadays, but that looks as if it's asking for enp0s3 to be auto

Re: Debian 12 IPv6 client?

2023-03-13 Thread David Wright
. Nothing was changed from the original install. > > My problem today is identifying what bit of the system is getting the > IPv6 address. I can find nothing in journalctl [ removed the typo ] > cat /etc.network/interfaces > # This file describes the network interfaces available on your

Re: Debian 12 IPv6 client?

2023-03-13 Thread Jeremy Ardley
l. My problem today is identifying what bit of the system is getting the IPv6 address. I can find nothing in journalctl The networking  is pure systemd networkd.service controlled Correction. I mistyped above. My system uses the systemd networking.service root@debian12:/etc/network# s

Debian 12 IPv6 client?

2023-03-13 Thread jeremy ardley
t of the system is getting the IPv6 address. I can find nothing in journalctl The networking  is pure systemd networkd.service controlled root@debian12:/etc/network# systemctl status networking ● networking.service - Raise network interfaces Loaded: loaded (/lib/systemd/system/networking.s

Re: ipv6 maybe has arrived.

2023-02-16 Thread Christoph Brinkhaus
Am Tue, Feb 14, 2023 at 01:41:41PM -0500 schrieb gene heskett: Hello Gene and Dave,, > On 2/14/23 10:49, David Wright wrote: > > Wisely done: we don't need it twice … and logs can be lengthy. [...] > Alright guys, I may have an existing system here that shows a 169, but not > as default. Runnin

Re: ipv6 maybe has arrived.

2023-02-15 Thread Michael Stone
esponds or not is, I think, irrelevant here. The thing gets cut short by the -EINVAL, which stems from the missing interface specification (well, "zone index" in IPv6 jargon). Without zone index, an IPv6LL is (may be?) underspecified. So it would be fe80::1%eth0 or something similar.

Re: avahi & gene (was: ipv6 maybe has arrived)

2023-02-15 Thread gene heskett
On 2/15/23 17:05, Felix Miata wrote: gene heskett composed on 2023-02-15 16:24 (UTC-0500): I've got around 5 machines Every one of them has had avahi removed by a root rm, and has some variation of this in an /etc/resolv.conf that is a real file, before the local network worked. Do you ha

Re: ipv6 maybe has arrived.

2023-02-15 Thread Michael Stone
On Wed, Feb 15, 2023 at 04:24:36PM -0500, gene heskett wrote: you basically just made this up No Michael, just recalling our interaction history, the general tone being to give me hell for using hosts files instead of running a dns. I have not told you that you need to use bind instead of hos

Re: avahi & gene (was: ipv6 maybe has arrived)

2023-02-15 Thread Greg Wooledge
On Wed, Feb 15, 2023 at 05:05:42PM -0500, Felix Miata wrote: > gene heskett composed on 2023-02-15 16:24 (UTC-0500): > > > I've got around 5 machines > > Every one of them has had avahi removed by a root rm, and has some > > variation of this in an /etc/resolv.conf that is a real file, before

Re: avahi & gene (was: ipv6 maybe has arrived)

2023-02-15 Thread Felix Miata
gene heskett composed on 2023-02-15 16:24 (UTC-0500): > I've got around 5 machines > Every one of them has had avahi removed by a root rm, and has some > variation of this in an /etc/resolv.conf that is a real file, before the > local network worked. Do you have TDE on none of these machine

Re: ipv6 maybe has arrived.

2023-02-15 Thread gene heskett
On 2/15/23 13:08, Michael Stone wrote: On Wed, Feb 15, 2023 at 09:30:57AM -0500, gene heskett wrote: True. But I'd also suggest that if you do not want to support /etc/hosts files name resolution methods /etc/hosts works and has worked fine on debian for decades I've got around 5 machines sti

Code of Conduct reminder [WAS Re: ipv6 maybe has arrived.]

2023-02-15 Thread Andrew M.A. Cater
On Wed, Feb 15, 2023 at 01:07:29PM -0500, Michael Stone wrote: > On Wed, Feb 15, 2023 at 09:30:57AM -0500, gene heskett wrote: > > True. But I'd also suggest that if you do not want to support /etc/hosts > > files name resolution methods > > /etc/hosts works and has worked fine on debian for decad

Re: ipv6 maybe has arrived.

2023-02-15 Thread Michael Stone
On Wed, Feb 15, 2023 at 10:12:32AM -0500, Greg Wooledge wrote: Sorry, Gene's line was actually "search hosts, nameserver". So, "ping coyote" should have triggered name resolution for "coyote.hosts" and/or "coyote.nameserver". It's just barely conceivable that *something* might have created a re

Re: ipv6 maybe has arrived.

2023-02-15 Thread Michael Stone
On Wed, Feb 15, 2023 at 09:30:57AM -0500, gene heskett wrote: True. But I'd also suggest that if you do not want to support /etc/hosts files name resolution methods /etc/hosts works and has worked fine on debian for decades to. Your attitude that everybody with a two machine home network shou

Re: ipv6 maybe has arrived.

2023-02-15 Thread Greg Wooledge
On Wed, Feb 15, 2023 at 10:04:14AM -0500, Greg Wooledge wrote: > The part I still don't understand is how adding "search files, nameserver" > to /etc/resolv.conf and rebooting could change the behavior of any of > Gene's commands. Sorry, Gene's line was actually "search hosts, nameserver". So, "p

Re: ipv6 maybe has arrived.

2023-02-15 Thread Greg Wooledge
> 192.168.71.12 bpi54.coyote.denbpi54 > > > > gene@bpi54:~$ getent hosts bpi54 > > > > fe80::4765:bca4:565d:3c6 bpi54 > > > > Where does getent pull that IPv6 address from? That's not what I get > > when I look myself up: >

Re: ipv6 maybe has arrived.

2023-02-15 Thread gene heskett
On 2/15/23 09:20, Charles Curley wrote: On Wed, 15 Feb 2023 07:57:09 -0500 gene heskett wrote: 192.168.71.4sixty40.coyote.den sixty40 192.168.71.7vna.coyote.deb vna I think you have a typo in the line for vna. Correct, Charles, but that machine died 2 o

Re: ipv6 maybe has arrived.

2023-02-15 Thread gene heskett
On 2/15/23 08:41, Michael Stone wrote: On Wed, Feb 15, 2023 at 07:57:09AM -0500, gene heskett wrote: And this disclosed that I had not properly added coyote.coyote.den to the /etc/hosts file on that machine. That mistake, fixed, now makes the local net pingable. The rest of it, whats powered up

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