One use case: ISP who wants to provide IPv4+IPv6 to customers, but does
not have enough IPv4 addresses for everyone, so has to NAT anyway, and
wants to simplify the operation of its edge network by running only one
protocol.
Quite popular with 3GPP folks since they have zillions of customers a
Le 2012-10-24 14:25, Kurt Mosiejczuk a écrit :
The one use I could think of us to make your internal network
independent of your ISP. Right now, if you change ISPs, your network
prefix changes and your whole network has to be renumbered.
I read about it in the following article earlier this yea
Le 2012-10-24 14:54, Claudio Jeker a écrit :
But less PI space. Since some evangelists belive in the superiority of
IPv6 and try everything to make it impossible to get routable PI space.
At the moment IPv6 is a step backwards in all regards.
Wait wait wait... what RIR doesn't take "multihoming
Le 2012-10-24 15:29, Barbier, Jason a écrit :
Well expanding on the address space and numbering issue, that would be a
valid use for NAT but I honestly think it would be better to actually try
and fix that before trying to put a hack over the top of it.
I'm going to wait a long time for a firmw
Le 2012-10-24 15:38, Barbier, Jason a écrit :
I'm going to wait a long time for a firmware update that makes my
IPv4-only printer speak IPv6.
Well man there are several stable implementations of 4 to 6 and 6 to 4
bridges.
I don't know what kind of "bridges" you're talking about, but I'll
ass
Le 2012-10-24 15:59, Paul de Weerd a écrit :
On Wed, Oct 24, 2012 at 03:42:52PM -0400, Simon Perreault wrote:
| Le 2012-10-24 15:38, Barbier, Jason a ?crit :
| >>I'm going to wait a long time for a firmware update that makes my
| >>IPv4-only printer speak IPv6.
Even if it did
Le 2012-10-24 16:30, Claudio Jeker a écrit :
With IPv6 multihoming should work trivially: plug two access lines into
a switch, get RAs from both, get addresses from both on your end-host,
and your end-host needs to select the proper route for each source
address. Again, no NAT or BGP. Application
Le 2012-10-24 15:12, Jussi Peltola a écrit :
On Wed, Oct 24, 2012 at 02:43:14PM -0400, Simon Perreault wrote:
What you need to multihome is either BGP or NAT. Exactly as in IPv4.
Nothing has changed. The only new thing with IPv6 is that there's
more bits.
Oh? I have two internet connec
Le 2012-10-25 07:45, chrisbenn...@bennettconstruction.us a écrit :
I have two very old IP print servers that work just fine.
You just have to flip those 4 tiny little switches to get access
to program them over IP. Can I get another tiny switch to add IPv6?
You could just map an IPv6 address to
Le 2012-10-25 00:20, Constantine A. Murenin a écrit :
No dual-stacking is
provided; in their slides from [0], T-Mobile USA claims that IPv6-only
with NAT64/DNS64 is cheaper than dual-stack with NAT44.
Yes. I forgot to mention another reason why the 3GPP folks like NAT64:
most 3GPP equipment ve
Le 2014-01-25 14:40, Richard Procter a écrit :
I'm not saying the calculation is bad. I'm saying it's being
calculated from the wrong copy of the data and by the wrong
device. And it's not just me saying it: I'm quoting the guys
who designed TCP.
Those guys didn't envision NAT.
If you want end
Le 2014-01-27 21:21, Geoff Steckel a écrit :
It would be good if when data protected by a checksum is modified,
the current checksum is validated and some appropriate? action is done
(drop? produce invalid new checksum?) when proceeding.
This is exactly what's being done. Don't you listen w
Le 2014-01-28 03:39, Richard Procter a écrit :
In order to hide payload corruption the update code would
have to modify the checksum to exactly account for it. But
that would have to happen by accident, as it never considers
the payload. It's not impossible, but, on the other hand,
checksum regen
Le 2014-01-28 12:45, Stuart Henderson a écrit :
This analysis is bullshit. You need to take into account the fact that
checksums are verified before regenerating them. That is, you need to
compare a) verifying + regenerating vs b) updating. If there's an
undetectable error, you're going to propag
I don't know the direct answer to your question, but taking a step back...
Any reason you want a transparent SIP proxy rather than an
explicitly-configured SIP B2BUA? The latter is usually much easier to
set up and maintain.
Simon
--
DTN made easy, lean, and smart --> http://postellation.viageni
Le 2014-04-09 12:47, Loganaden Velvindron a écrit :
> This situation is rather unusual, and that makes me wonder what's
> exactly going on there, as I believe that we've done our homework
> correctly.
UNUSUAL??? The IETF is notorious for its incredible delays. The
situation is typical IMHO.
Nobo
Peter J. Philipp wrote, on 12/04/2011 08:06 AM:
> Somehere inside ping6 the
> return address is not checked with the outgoing address and it happily
> accepts 2001:a60:f074::25 as a valid return address in my case.
That's a feature. Think about what would happen when pinging a multicast or an
any
Le 02/01/2012 6:00 PM, Mattieu Baptiste a icrit :
On my machine running -current/amd64, inet6 autoconfprivacy seems to
broke neighbor sol/adv.
I just tested this and it works for me. Sorry.
Simon
On 01/11/2012 06:39 PM, Limaunion wrote:
Hi all! very simple PF question, is it possible to limit the number of
ICMP echo replies, like 5/min from any source address ?
If you're looking to limit the rate emitted by OpenBSD as a host, check
out the net.inet.icmp.errppslimit sysctl.
If you're
On 01/12/2012 01:18 PM, PP;Q Q P(P8P?P8QP8P= wrote:
we are using nagios for monitoring and it is running on separate server. we
do not want to monitor server from inside.
we want to run run something via ssh and see whether carp peer is dead or
not.
Give each server it's unique IP address.
U
On 01/12/2012 01:49 PM, PP;Q Q P(P8P?P8QP8P= wrote:
most of our carp clusters run on single address. no spare IP space.
That's the root of the problem.
Use IPv6 for the non-carp addresses? RFC 1918? rdr on some ports?
Otherwise, you'll have to invent a hackish and fragile solution...
Simo
Here's yet another question about keyboard mapping...
When I boot bsd.rd and pick the "cf" keyboard mapping in the installer,
everything works perfectly.
After I reboot (bsd.mp), the keyboard seems correctly mapped (keys are
at the right places), but some keys do nothing (e-acute (not a dead
On 2012-01-23 16:40, Steffen Daode Nurpmeso wrote:
If the program you are working with is eight bit clean (ksh(1)
doesn't work, csh(1) does), maybe it's the mapping.
THANK YOU!
Keys work fine in csh, not in ksh.
And bsd.rd uses sh IIRC, so that would be the answer.
Thanks!
Simon
On 2012-02-28 08:23, Stuart Henderson wrote:
btw: that random stuff, at least without source-tracking, is
likely to break bank websites etc.
This is right. Random pools break a lot of things in practice. Do use
random it if you're paranoid and don't care about breaking things.
Otherwise, the
On 2012-04-20 07:43, Kostas Zorbadelos wrote:
I understand the kernel VM layers are completely different, but how come
the named process on OpenBSD for the same load consumes so low resident
memory? Also, why VZS< RSS on OpenBSD?
The general question I am trying to answer is, can BIND utilize al
On 2012-04-20 14:07, Kostas Zorbadelos wrote:
Eventually you are right. However I am trying to answer the primitive
question: should I buy servers with a lot of RAM or not? If BIND cannot
utilize more than 4GB let's say, it makes no sense to buy servers with
32GB. The servers' only role will be c
On 2012-05-08 08:09, Stuart Henderson wrote:
One method is to run your own name server and have a way to update the
zone database with your dynamically updated entries.[...]
Another option is to use generated zone files [...]
Alternatively outsource DNS hosting [...]
Or you could do a blend,
On 2012-05-08 19:08, Per-Olov Sjvholm wrote:
It says "em1: watchdog timeout -- resetting"
I saw the same on an amd64 VPS from arpnetworks.com. Network was not
functional. Backed out. Did not investigate further.
Simon
Resurrecting an old topic...
On 2011-10-27 16:05, Stefan Rinkes wrote:
I'm currently using a current kernel with following patch:
--- sys/netinet6/in6.c 8 Aug 2011 13:04:35 - 1.93
+++ sys/netinet6/in6.c 27 Oct 2011 19:59:00 -
@@ -2476,6 +2476,14 @@ in6if_do_dad(struct ifnet *ifp)
* NS wo
On 2012-05-11 04:15, Garry Dolley wrote:
I now have an amd64 test VM set up, where I installed stock 5.0.
I ran a lot of traffic over em0 without any timeouts.
That's expected. 5.0 has been running without issue for me for a long time.
I also have been trying several -current kernels.
As of
Le 12-05-25 06:24, Kostas Zorbadelos a icrit :
Henning Brauer writes:
* Kostas Zorbadelos [2012-05-25 10:06]:
from all relevant discussions I have seen it seems that BIND in base
will not be updated to a newer version and unbound has a good chance to
be the replacement. The thing is, we need
On 2012-05-25 15:14, Kostas Zorbadelos wrote:
filter--on-v4 (9.7+) (needed now)
purely out of curiosity: why?
Crude workaround for increased levels of IPv6 brokeness in our networks
(aka CPE with broken firmware). Needed until the proper solution is
given.
Interesting, thanks.
In any
On 2012-05-25 15:33, Kostas Zorbadelos wrote:
Yes, I have understood that. The question remains: what do you think of
ports for recent BIND versions?
I am running a hand-compiled BIND 9.9 right now for the DNS64 feature.
I'd like to have an up to date port. I don't one to contribute, so I
shu
On 2012-05-29 19:40, Theo de Raadt wrote:
http://www.freebsd.org/news/status/report-2011-10-2011-12.html#The-New-CARP
Look at that last entry about talking to IANA!
The entry in question is:
"4. Work with IANA to get an official protocol number. gnn@ to handle."
This shows ignorance about how
On 2012-06-02 13:19, JC)rC)mie CourrC(ges-Anglas wrote:
As you'll see in my signature above, 8 bit characters are mangled on
OpenBSD mailing lists. Not that I care much, but passing the demime perl
script a ''-8'' argument would be enough to solve that (if that is
desired).
AFAIK SMTP without M
On 2012-06-04 06:06, David Diggles wrote:
I was just thinking surely resending from a different IP breaks the RFC for
SMTP?
Then I did some googling, and found this.
http://bsdly.blogspot.com.au/2008/10/ietf-failed-to-account-for-greylisting.html
Not only is greylisting fine from a protocol p
On 2012-06-04 19:10, Jérémie Courrèges-Anglas wrote:
AFAIK SMTP without MIME can only transport ASCII.
Sure, but shear.ucar.edu advertizes 8BITMIME, the only problem here is
demime.
8BITMIME is useless. It only allows SMTP to transport arbitrary 8-bit
content. It still doesn't allow you to s
012-06-05 08:39, Simon Perreault wrote:
On 2012-06-04 19:10, Jérémie Courrèges-Anglas wrote:
AFAIK SMTP without MIME can only transport ASCII.
Sure, but shear.ucar.edu advertizes 8BITMIME, the only problem here is
demime.
8BITMIME is useless. It only allows SMTP to transport arbitrary 8-bit
co
On 2012-06-10 11:26, Peter J. Philipp wrote:
+ if (setsockopt(udp[i], IPPROTO_IPV6,
+ IPV6_HOPLIMIT,&on, sizeof(on))< 0) {
s/IPV6_HOPLIMIT/IPV6_RECVHOPLIMIT/
RFC 3542 for more info.
Simon
On 2012-06-12 14:08, Bernd wrote:
I've got two OpenBSD 5.1-stable/amd64 boxes employed which do all the
routing for our AS (OpenBGPd and OpenOSPFd). I see asymmetric traffic (I
thought it to be that way), which itself doesn't really create problems.
However, I see problems with ICMP. pf seems to
On 2012-06-12 15:55, Bernd wrote:
What might be the easiest solution to have pf not care about states any
longer -- using 'keep state sloppy'? Or disabling statefulness entirely
(how?)?
If you don't need it, just disable pf. echo pf=NO >>/etc/rc.conf.local
Sloppy tracking could work. Also chec
On 2012-06-21 03:46, Hugo Osvaldo Barrera wrote:
My assigned block is 2800:40:402::0/48
My default gateway is 2800:40:402::: (it's inside my assigned
block).
Hugo,
Friendly suggestion: read a book on IPv6. If you had understood the
above information, you wouldn't be talking about "br
On 2012-06-21 15:21, Juan Francisco Cantero Hurtado wrote:
Some good or bad comments about "Deitel's C How to program"?
http://www.deitel.com/Books/C/CHowtoProgram7e/tabid/3635/Default.aspx
The worst book on C programming I've ever read.
No, scratch that.
The worst book on programming I've eve
On 2012-06-21 15:50, Hugo Osvaldo Barrera wrote:
I have read a great deal regarding IPv6 and IIRC, if I subnet my
network block, my ISP would have to know it has to route traffic to that
subnet through the WAN IP address of my router.
Yes. If they don't allow that, then they don't know what th
On 2012-06-21 22:00, Hugo Osvaldo Barrera wrote:
On 2012-06-21 17:22, Simon Perreault wrote:
On 2012-06-21 15:50, Hugo Osvaldo Barrera wrote:
I have read a great deal regarding IPv6 and IIRC, if I subnet my
network block, my ISP would have to know it has to route traffic to that
subnet
On 2012-06-22 09:13, Mark Felder wrote:
All someone out on the 'net needs to do
is scan up through
your address space on the link as quickly as possible, sending single
packets at
all the non-existent addresses on the link, and watch as your router
CPU starts
to churn keeping track of all the nei
On 2012-07-09 10:17, Stuart Henderson wrote:
On 2012-07-09, Fil DiNoto wrote:
But i was wondering if I could achieve something that would work for
ALL the addresses behind the router as well without creating
individual rules for each address. Something like this:
pass in on egress proto tcp fr
On 07/12/2012 02:41 PM, Tor Houghton wrote:
On Thu, Jul 12, 2012 at 12:32:52PM -0500, Mark Felder wrote:
That's odd... I swear my wife's macbook has had functional IPv6 for
quite a while... unless the recent Lion update nuked it and I didn't
notice?
Please report your findings -- I'd love to fi
Le 2012-08-29 09:57, Mikkel Bang a écrit :
If OpenBSD was on Git / at GitHub, youngins like me would have patched
this baby up a long time ago.
Sadly, a good argument against moving to Git.
Simon
(I rearranged your email: provider info at the top, your actions at the
bottom.)
Le 2012-08-31 03:19, Remi Locherer a écrit :
I rented a server from Hetzner where I installed OpenBSD 5.1. Hetzner also
provides IPv6 but somehow with a strange setup. I got something like the
following from them:
Le 2012-08-31 10:52, Remi Locherer a écrit :
Gateway Address: 2001:db8:1:1110::1/64
Subnet I can use: 2001:db8:1:/64
For Linux they give these instructions:
linux# ip route add 2001:db8:1:1110::1 dev eth0
linux# ip route add default via 2001:db8:1:1110::1
I would understand this to mean:
Le 2012-09-04 02:13, Remi Locherer a écrit :
I now got an answer from Hetzner:
- I'm not allowed to use an address from the gateway subnet. They will
block my traffic if I'm using such an address
- They recommend that I configure a /59 prefix. In my opinion this makes
no sense. I now config
Le 2012-09-17 11:57, Ted Unangst a écrit :
Here's the background. My cable ISP has this "turbo boost" thing
where the first ~2 seconds of a connection download at 50Mbps, then
it's throttled back to 20Mbps. I want to do this in pf (differentiate
casual web browsing from long downloads).
My fir
Le 2012-09-17 13:19, Ted Unangst a écrit :
I probably have missed something obvious... Why don't you just use hfsc?
I want the queue to change based on the length of time (or data) the
connection has been around. All of my traffic is going to be coming
from port 80, so there's way to identify
Le 2012-09-18 12:36, Ed Flecko a écrit :
I have State and Federal regulators that want me to PROVE (since their
only used to looking at Micro$oft servers) my OBSD 5.1 server is up to
date, and there are no outstanding patches that need to be applied.
*I* know that's the case, because I follow the
Le 2012-09-27 16:04, Brian Empson a écrit :
Has there been/are there plan to include some SSI functionality for BSD?
Try mod_include.
Doc here: http://httpd.apache.org/docs/1.3/mod/mod_include.html
Simon
Le 2012-10-10 06:13, Laurent CARON a écrit :
On my side I do have 2 OpenBSD (OpenBGPd) boxes.
What versions?
In my logs I do observe this:
A pcap dump would be useful...
Oct 9 09:44:40 bgpgw-003 bgpd[17498]: neighbor 193.105.232.181
(pv4_gw-003_to_ISC): state change Idle -> Connect, rea
Le 2012-10-10 11:51, Laurent CARON a écrit :
A pcap dump would be useful...
Here it is:
http://elfe.lncsa.com/get?k=5Rya5Acaq26TqJ9MXG
The pcap shows that the Cisco box is refusing your OPEN message. It
doesn't like it for some reason. You need to figure out why. Probably
because of the way
On 03/15/2010 11:49 PM, Dave Anderson wrote:
> I'm configuring a notebook which will use PF to protect itself from the
> environments in which I use it, and would like to have FTP 'just work'
> on it -- whether it's from an explicit FTP command, from a browser, or
> embedded in some other program o
J.C. Roberts wrote:
match out on ? proto tcp from ? to any port ftp \
rdr-to 127.0.0.1 port 8021
You can't do that. rdr-to only works on input.
Without testing it, I don't know how the potential loop can be avoided,
or if it even needs to be avoided (note the "match out" examp
On 2010-03-23 18:54, Daniel Melameth wrote:
Using the example from the PF User's Guide
(http://www.openbsd.org/faq/pf/pools.html#outgoing), what's the best way to
kill all states related to ONE of the route-to interfaces created by the
"pass in on $int_if route-to { ($ext_if1 $ext_gw1), ($ext_if2
On 2010-03-23 19:13, Simon Perreault wrote:
How about this?
pfctl -k $int_lan -k $ext_gw1
This is so wrong, I am ashamed.
Simon
--
NAT64/DNS64 open-source --> http://ecdysis.viagenie.ca
STUN/TURN server--> http://numb.viagenie.ca
vCard 4.0 --> http://www.vcarddav.org
On 2010-04-15 12:18, Matthew Sullenberger wrote:
I understand the host I am trying to communicate with has its own set of
issues, but my question to Misc is that I was under the belief that if
either side did not explicitly send a MSS during the handshake the
required behavior was to default to 5
On 2010-04-15 13:46, Matthew Sullenberger wrote:
So would
this be possibly a "bug" in the OpenBSD PMTU implementation (the expected
behavior occurs and the connection works normally if I disable PMTU) and if so
should I be submitting some kind of official report?
Maybe. Use sendbug(1).
Simon
-
On 2010-04-21 14:35, Theo de Raadt wrote:
They mailed diffs. Not requests for tasks.
If you request a task, it means you have no itch to scratch. You're just
looking for an excuse to program. And it's often not enough motivation.
Hello,
I'm trying to use /dev/srandom, but I can't get even a single byte out
of it.
To reproduce:
$ hexdump -n 1 /dev/srandom
It just hangs there, sleeping. If I use /dev/urandom instead, it returns
immediately, as expected:
$ hexdump -n 1 /dev/urandom
000 0069
001
I tried on various
On 2010-09-29 10:36, Theo de Raadt wrote:
> it is hanging because:
>
> 23208 hexdump CALL read(0,0x81ffc000,0x1)
>
> It is trying to read too much. A whole buffer, into stdio.
>
> So it empties the pool it can have, and then has to wait for more.
> eventually it does get data, and print
On 2010-09-29 10:49, Theo de Raadt wrote:
> Perhaps a posix weenie can look into making hexdump use setvbuf and
> adjusting the read requirements for fread() when the length (-n
> argument) is specified as being short of the blocksize.
How about this weenie?
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