Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread Julian Elischer
On 2/12/2015 12:27 AM, el...@sentor.se wrote: On Tue, 1 Dec 2015, Mark Felder wrote: On Tue, Dec 1, 2015, at 02:02, wishmaster wrote: Hi, Mark. I'm hoping someone can explain what happened here and this isn't a bug, but if it is a bug I'll gladly open a PR. I noticed in my ipfw logs th

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread Mark Felder
On Tue, Dec 1, 2015, at 12:08, Gary Palmer wrote: > > Have you looked at the ipfw state tables to see if a state is recorded? > > ipfw -d list > > I think > Yes, and I can see the state especially for IPv6. I think I have solved this mystery. There was a problem, and I solved it, but then w

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread Gary Palmer
On Tue, Dec 01, 2015 at 12:00:47PM -0600, Mark Felder wrote: > > > On Tue, Dec 1, 2015, at 09:16, wishmaster wrote: > > > > --- Original message --- > > From: "Mark Felder" > > Date: 1 December 2015, 17:05:35 > > > > > > > > > > > > > On Tue, Dec 1, 2015, at 02:02, wishmaster wrote: >

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread Mark Felder
On Tue, Dec 1, 2015, at 09:16, wishmaster wrote: > > --- Original message --- > From: "Mark Felder" > Date: 1 December 2015, 17:05:35 > > > > > > > > On Tue, Dec 1, 2015, at 02:02, wishmaster wrote: > > > > > > Hi, Mark. > > > > > > > > > > I'm hoping someone can explain what happe

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread elof2
On Tue, 1 Dec 2015, Mark Felder wrote: On Tue, Dec 1, 2015, at 10:50, el...@sentor.se wrote: Not that this helps this thread to move on, but just to clarify: In this case, the NAT that would introduce the randomized src port would be *your* NAT, not a NAT at pool.ntp.org. Deny UDP [2604:a

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread Mark Felder
On Tue, Dec 1, 2015, at 10:50, el...@sentor.se wrote: > > Not that this helps this thread to move on, but just to clarify: > > In this case, the NAT that would introduce the randomized src port would > be *your* NAT, not a NAT at pool.ntp.org. > > > Deny UDP [2604:a880:800:10::bc:c004]:123 [

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread elof2
On Tue, 1 Dec 2015, Mark Felder wrote: On Tue, Dec 1, 2015, at 09:53, el...@sentor.se wrote: On Tue, 1 Dec 2015, Matthew Seaman wrote: On 2015/12/01 15:05, Mark Felder wrote: Notice how almost all of them are port 123 on both sides, but a few of them are not. Why? The RFC says that NTP is

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread Mark Felder
On Tue, Dec 1, 2015, at 10:27, el...@sentor.se wrote: > On Tue, 1 Dec 2015, Mark Felder wrote: > > > > > > > On Tue, Dec 1, 2015, at 02:02, wishmaster wrote: > >> > >> Hi, Mark. > >> > >> > >>> I'm hoping someone can explain what happened here and this isn't a bug, > >>> but if it is a bug I'll

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread elof2
On Tue, 1 Dec 2015, Mark Felder wrote: On Tue, Dec 1, 2015, at 02:02, wishmaster wrote: Hi, Mark. I'm hoping someone can explain what happened here and this isn't a bug, but if it is a bug I'll gladly open a PR. I noticed in my ipfw logs that I was getting a log of "DENY" entries for an

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread Mark Felder
On Tue, Dec 1, 2015, at 09:53, el...@sentor.se wrote: > > On Tue, 1 Dec 2015, Matthew Seaman wrote: > > > On 2015/12/01 15:05, Mark Felder wrote: > >> Notice how almost all of them are port 123 on both sides, but a few of > >> them are not. Why? The RFC says that NTP is supposed to be using por

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread elof2
On Tue, 1 Dec 2015, Matthew Seaman wrote: On 2015/12/01 15:05, Mark Felder wrote: Notice how almost all of them are port 123 on both sides, but a few of them are not. Why? The RFC says that NTP is supposed to be using port 123 as both the source and destination port, but I clearly have somethi

Re[2]: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread wishmaster
--- Original message --- From: "Mark Felder" Date: 1 December 2015, 17:05:35 > > > On Tue, Dec 1, 2015, at 02:02, wishmaster wrote: > > > > Hi, Mark. > > > > > > > I'm hoping someone can explain what happened here and this isn't a bug, > > > but if it is a bug I'll gladly open a PR.

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread Matthew Seaman
On 2015/12/01 15:05, Mark Felder wrote: > Notice how almost all of them are port 123 on both sides, but a few of > them are not. Why? The RFC says that NTP is supposed to be using port > 123 as both the source and destination port, but I clearly have > something happening on port 16205. Is somethin

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread Mark Felder
On Tue, Dec 1, 2015, at 02:02, wishmaster wrote: > > Hi, Mark. > > > > I'm hoping someone can explain what happened here and this isn't a bug, > > but if it is a bug I'll gladly open a PR. > > > > I noticed in my ipfw logs that I was getting a log of "DENY" entries for > > an NTP server > >

Re: IPFW blocked my IPv6 NTP traffic

2015-12-01 Thread wishmaster
Hi, Mark. > I'm hoping someone can explain what happened here and this isn't a bug, > but if it is a bug I'll gladly open a PR. > > I noticed in my ipfw logs that I was getting a log of "DENY" entries for > an NTP server > > Nov 30 13:35:16 gw kernel: ipfw: 4540 Deny UDP > [2604:a880:800:10::

Re: IPFW blocked my IPv6 NTP traffic

2015-11-30 Thread Charles Swiger
Hi, Mark-- On Nov 30, 2015, at 1:58 PM, Mark Felder wrote: > [ ... ] > I noticed my outbound IPv6 didn't have $ks for udp, so I added it. > However, that had no effect. The solution was to add an incoming rule: > > $cmd 03755 allow udp from any to any src-port 123 in via $pif6 $ks > > This seem

IPFW blocked my IPv6 NTP traffic

2015-11-30 Thread Mark Felder
I'm hoping someone can explain what happened here and this isn't a bug, but if it is a bug I'll gladly open a PR. I noticed in my ipfw logs that I was getting a log of "DENY" entries for an NTP server Nov 30 13:35:16 gw kernel: ipfw: 4540 Deny UDP [2604:a880:800:10::bc:c004]:123 [2001:470:1f11:1e